| Portsmouth Rhode Island Weather Almanac |
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| Sunday,
December 17, 2023 |
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| Mostly Cloudy
to Cloudy & Moderate Rain and Fog PM, Windy and Warmer |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2023 |
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December 17, 2023 |
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Record |
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Record |
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| Observed Daily Data |
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2023 |
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2022 |
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Norm |
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Depart |
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Highest |
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Lowest |
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| Maximum Temperature |
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55 |
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44 |
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43 |
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+12 |
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59 |
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in |
2021 |
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18 |
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in |
1932 |
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| Minimum
Temperature |
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38 |
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35 |
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30 |
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+8 |
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44 |
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in |
1996 |
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-1 |
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in |
1942 |
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| Average Temperature |
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47 |
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40 |
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36 |
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+11 |
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51 |
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in |
2021 |
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10 |
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in |
1919 |
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| Month Avg Max Temperature |
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47.9 |
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44.7 |
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44.8 |
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+3.2 |
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54.6 |
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in |
2015 |
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30.5 |
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in |
1904 |
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| Month Avg
Min Temperature |
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35.4 |
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33.5 |
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31.7 |
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+3.7 |
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42.0 |
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in |
2015 |
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16.5 |
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in |
1989 |
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| Month Average
Temperature |
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41.9 |
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39.4 |
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38.1 |
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+3.8 |
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48.6 |
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in |
2015 |
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24.8 |
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in |
1904 |
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| High Heat Index |
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#N/A |
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in |
#N/A |
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| Low Wind
Chill |
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34 |
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27 |
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18 |
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+16 |
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-12 |
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in |
1942 |
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| Heating Degree Days |
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18 |
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25 |
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29 |
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-11 |
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55 |
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in |
1919 |
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14 |
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in |
2021 |
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| Month Heating DD |
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392 |
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436 |
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456 |
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-64 |
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683 |
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in |
1904 |
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279 |
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in |
2015 |
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| Season
Heating DD |
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1333 |
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1257 |
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1446 |
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-113 |
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1995 |
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in |
1904 |
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1074 |
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in |
2015 |
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| Cooling Degree Days |
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0 |
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0 |
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0 |
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+0 |
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in |
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0 |
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in |
Many |
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| Month Cooling DD |
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0 |
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0 |
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0 |
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+0 |
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3 |
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in |
2022 |
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0 |
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in |
Many |
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| Year Cooling DD |
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726 |
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784 |
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609 |
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+117 |
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871 |
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in |
2020 |
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290 |
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in |
1902 |
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| Maximum Dew Point |
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54 |
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43 |
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36 |
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+18 |
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58 |
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in |
1973 |
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2 |
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in |
1951 |
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| Minimum
Dew Point |
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36 |
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28 |
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20 |
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+16 |
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43 |
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in |
1996 |
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-12 |
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in |
1979 |
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| Average Dew Point |
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45 |
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36 |
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28 |
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+17 |
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48 |
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in |
1996 |
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-2 |
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in |
1951 |
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| Month Avg Max Dew Point |
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41.3 |
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38.8 |
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36.0 |
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+5.3 |
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49.1 |
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in |
2015 |
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18.4 |
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in |
1989 |
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| Month Avg
Min Dew Point |
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30.1 |
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25.2 |
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20.9 |
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+9.1 |
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37.6 |
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in |
2015 |
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-0.8 |
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in |
1989 |
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| Month Average Dew Point |
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35.9 |
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32.3 |
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28.5 |
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+7.5 |
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43.5 |
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in |
2015 |
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8.8 |
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in |
1989 |
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| Precipitation |
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.61 |
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.04 |
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.15 |
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+.46 |
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3.13 |
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in |
1973 |
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| One Hour
Rain |
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.22 |
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.01 |
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.95 |
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in |
2000 |
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| Half Hour
Rain |
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.14 |
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.01 |
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.21 |
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in |
2015 |
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| Hourly Rain Rate |
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4.11 |
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.00 |
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4.11 |
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in |
2023 |
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| Month Precipitation |
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3.04 |
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3.55 |
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2.56 |
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+.48 |
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7.74 |
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in |
1936 |
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.27 |
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in |
1998 |
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| Year Precipitation |
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52.09 |
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41.36 |
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43.99 |
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+8.10 |
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63.81 |
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in |
1983 |
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27.14 |
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in |
1965 |
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| Snow |
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0.0 |
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0.0 |
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0.2 |
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-0.2 |
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6.1 |
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in |
2020 |
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| Snow Depth |
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0 |
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0 |
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1 |
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-1 |
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12 |
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in |
1904 |
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| Month Snow |
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0.1 |
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1.5 |
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3.0 |
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-2.9 |
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20.6 |
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in |
1981 |
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0.0 |
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in |
2015 |
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| Season Snow |
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0.1 |
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1.5 |
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3.6 |
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+3.6 |
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21.1 |
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in |
1898 |
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0.0 |
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in |
2015 |
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December 17, 2023 |
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|
Record |
Record |
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| Observed Daily Data |
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2023 |
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2022 |
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Norm |
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Depart |
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Highest |
Lowest |
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| Maximum Humidity |
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99% |
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99% |
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86% |
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+13% |
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100% |
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in |
2016 |
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60% |
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in |
2009 |
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| Minimum
Humidity |
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83% |
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69% |
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56% |
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+27% |
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94% |
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in |
1996 |
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22% |
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in |
2021 |
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| Average Humidity |
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91% |
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84% |
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71% |
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+20% |
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97% |
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in |
1996 |
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50% |
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in |
1953 |
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| Maximum Barometer |
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30.56 |
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29.76 |
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30.13 |
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+00.43 |
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30.68 |
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in |
1899 |
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29.64 |
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in |
1976 |
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| Minimum
Barometer |
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29.84 |
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29.39 |
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29.76 |
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+00.08 |
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30.32 |
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in |
1949 |
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28.93 |
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in |
1970 |
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| Average Barometer |
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30.20 |
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29.58 |
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29.95 |
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+00.25 |
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30.42 |
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in |
1949 |
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29.39 |
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in |
1973 |
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| Average
Wind |
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10.0 |
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12.3 |
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8.5 |
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+1.5 |
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19.7 |
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in |
2000 |
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1.2 |
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in |
1962 |
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| Direction |
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E |
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WNW |
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WNW |
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SSE |
NNE |
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| High Wind
Gust |
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31 |
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29 |
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27 |
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+4 |
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53 |
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in |
2000 |
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10 |
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in |
1962 |
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| Direction |
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ESE |
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WNW |
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WNW |
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WSW |
NNW |
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| Maximum Water Temp |
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48.9 |
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49.1 |
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46.0 |
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+2.9 |
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52.3 |
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in |
2011 |
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41.3 |
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in |
2013 |
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| Minimum
Water Temp |
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46.9 |
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46.9 |
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43.6 |
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+3.3 |
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49.6 |
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in |
2015 |
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38.4 |
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in |
2010 |
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| Average Water Temp |
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47.9 |
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48.0 |
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44.8 |
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+3.1 |
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50.5 |
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in |
2011 |
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40.2 |
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in |
2013 |
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| Sunrise/ AM Twilight |
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7:05:47 AM |
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6:36:22 AM |
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| Sunset /
PM Twilight |
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4:16:23 PM |
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4:46:17 PM |
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| Length Of Day |
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9:10:36 |
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| Special Conditions |
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Fog |
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| Comments |
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| Hour-by-Hour Weather For December 17, 2023 |
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| Climate Weather for December 17 |
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| Weather History For December 17 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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