| Portsmouth Rhode Island Weather Almanac |
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| Friday,
December 15, 2023 |
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| Clear and
Much Warmer |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2023 |
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December 15, 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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53 |
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41 |
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44 |
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+9 |
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61 |
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in |
2015 |
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24 |
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in |
2010 |
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| Minimum
Temperature |
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35 |
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30 |
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30 |
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+5 |
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48 |
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in |
2015 |
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9 |
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in |
1900 |
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| Average Temperature |
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44 |
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36 |
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37 |
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+7 |
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55 |
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in |
2015 |
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18 |
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in |
1900 |
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| Month Avg Max Temperature |
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47.1 |
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44.7 |
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45.0 |
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+2.1 |
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54.8 |
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in |
2015 |
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30.1 |
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in |
1904 |
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| Month Avg
Min Temperature |
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35.2 |
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32.9 |
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31.9 |
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+3.3 |
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42.3 |
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in |
2015 |
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16.1 |
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in |
1989 |
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| Month Average
Temperature |
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41.4 |
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39.1 |
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38.4 |
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+3.0 |
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48.9 |
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in |
2015 |
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24.6 |
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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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29 |
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22 |
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19 |
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+10 |
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-4 |
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in |
1980 |
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| Heating Degree Days |
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21 |
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29 |
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28 |
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-7 |
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47 |
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in |
1900 |
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10 |
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in |
2015 |
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| Month Heating DD |
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354 |
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389 |
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398 |
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-44 |
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606 |
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in |
1904 |
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242 |
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in |
2015 |
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| Season
Heating DD |
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1295 |
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1210 |
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1388 |
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-93 |
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1918 |
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in |
1904 |
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1037 |
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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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39 |
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40 |
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36 |
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+3 |
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60 |
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in |
2015 |
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10 |
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in |
2010 |
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| Minimum
Dew Point |
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26 |
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25 |
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21 |
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+5 |
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43 |
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in |
2008 |
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-5 |
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in |
2016 |
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| Average Dew Point |
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33 |
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33 |
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28 |
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+5 |
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50 |
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in |
2015 |
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4 |
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in |
1961 |
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| Month Avg Max Dew Point |
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40.7 |
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38.8 |
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36.3 |
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+4.3 |
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49.1 |
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in |
2015 |
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18.0 |
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in |
1989 |
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| Month Avg
Min Dew Point |
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29.5 |
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24.2 |
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21.3 |
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+8.1 |
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38.0 |
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in |
2015 |
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-1.5 |
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in |
1989 |
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| Month Average Dew Point |
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35.3 |
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31.7 |
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28.8 |
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+6.5 |
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43.7 |
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in |
2015 |
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8.3 |
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in |
1989 |
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| Precipitation |
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.00 |
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T |
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.15 |
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-.15 |
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1.79 |
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in |
1981 |
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| One Hour
Rain |
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.00 |
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T |
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.60 |
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in |
1987 |
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| Half Hour
Rain |
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.00 |
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.00 |
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.14 |
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in |
2013 |
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| Hourly Rain Rate |
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.00 |
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.00 |
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.42 |
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in |
2013 |
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| Month Precipitation |
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2.43 |
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1.96 |
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2.26 |
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+.17 |
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6.64 |
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in |
1936 |
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.20 |
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in |
1998 |
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| Year Precipitation |
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51.48 |
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39.77 |
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43.69 |
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+7.79 |
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63.81 |
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in |
1983 |
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27.09 |
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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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7.1 |
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in |
1905 |
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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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11 |
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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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2.6 |
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-2.5 |
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19.9 |
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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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3.2 |
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+3.2 |
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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 15, 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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81% |
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97% |
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86% |
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-5% |
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100% |
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in |
2018 |
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49% |
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in |
1961 |
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| Minimum
Humidity |
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56% |
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75% |
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57% |
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-1% |
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96% |
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in |
1993 |
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17% |
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in |
1959 |
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| Average Humidity |
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69% |
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86% |
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71% |
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-3% |
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98% |
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in |
1993 |
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42% |
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in |
1961 |
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| Maximum Barometer |
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30.41 |
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30.27 |
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30.15 |
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+00.26 |
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30.70 |
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in |
2021 |
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29.24 |
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in |
1954 |
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| Minimum
Barometer |
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30.18 |
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30.06 |
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29.81 |
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+00.37 |
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30.46 |
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in |
1994 |
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29.05 |
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in |
1968 |
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| Average Barometer |
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30.30 |
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30.17 |
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29.98 |
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+00.31 |
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30.51 |
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in |
1994 |
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29.16 |
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in |
1954 |
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| Average
Wind |
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7.6 |
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8.2 |
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8.7 |
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-1.1 |
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19.1 |
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in |
1961 |
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2.6 |
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in |
2014 |
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| Direction |
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SW |
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NNW |
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WNW |
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NNW |
WNW |
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| High
Wind Gust |
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23 |
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22 |
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27 |
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-4 |
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53 |
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in |
1953 |
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11 |
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in |
1992 |
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| Direction |
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WNW |
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NNE |
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WNW |
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WSW |
WSW |
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| Maximum Water Temp |
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46.6 |
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46.0 |
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46.2 |
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+0.4 |
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51.9 |
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in |
2015 |
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41.5 |
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in |
1997 |
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| Minimum
Water Temp |
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44.6 |
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42.6 |
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43.6 |
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+1.0 |
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50.7 |
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in |
2015 |
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38.7 |
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in |
2010 |
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| Average Water Temp |
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45.6 |
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44.3 |
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44.9 |
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+0.7 |
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51.3 |
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in |
2015 |
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40.1 |
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in |
1997 |
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| Sunrise/ AM Twilight |
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7:04:25 AM |
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6:35:03 AM |
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| Sunset /
PM Twilight |
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4:15:46 PM |
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4:45:36 PM |
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| Length Of Day |
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9:11:21 |
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| Special Conditions |
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None |
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| Comments |
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| Hour-by-Hour Weather For December 15, 2023 |
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| Climate Weather for December 15 |
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| Weather History For December 15 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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