| Portsmouth Rhode Island Weather Almanac |
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| Thursday,
December 21, 2023 |
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| Clear, Dry
and Colder |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2023 |
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December 21, 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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37 |
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38 |
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42 |
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-5 |
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58 |
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in |
1999 |
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13 |
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in |
1955 |
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| Minimum
Temperature |
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25 |
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25 |
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29 |
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-4 |
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49 |
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in |
2018 |
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-3 |
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in |
1955 |
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| Average Temperature |
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31 |
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32 |
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35 |
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-4 |
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53 |
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in |
2018 |
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5 |
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in |
1955 |
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| Month Avg Max Temperature |
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47.6 |
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43.8 |
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44.3 |
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+3.3 |
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53.3 |
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in |
2015 |
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31.6 |
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in |
1904 |
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| Month Avg
Min Temperature |
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35.0 |
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32.6 |
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31.2 |
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+3.8 |
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40.7 |
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in |
2015 |
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16.0 |
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in |
1989 |
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| Month Average
Temperature |
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41.5 |
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38.5 |
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37.7 |
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+3.9 |
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47.3 |
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in |
2015 |
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24.6 |
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in |
1989 |
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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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15 |
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18 |
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16 |
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-1 |
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-25 |
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in |
1955 |
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| Heating Degree Days |
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34 |
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33 |
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29 |
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+5 |
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60 |
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in |
1955 |
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12 |
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in |
2018 |
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| Month Heating DD |
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493 |
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557 |
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572 |
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-79 |
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849 |
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in |
1989 |
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371 |
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in |
2015 |
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| Season
Heating DD |
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1434 |
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1378 |
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1562 |
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-128 |
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2137 |
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in |
1904 |
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1166 |
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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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26 |
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29 |
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35 |
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-9 |
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57 |
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in |
2018 |
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-12 |
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in |
1955 |
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| Minimum
Dew Point |
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10 |
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21 |
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19 |
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-9 |
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45 |
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in |
2018 |
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-23 |
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in |
1955 |
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| Average Dew Point |
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18 |
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25 |
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27 |
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-9 |
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51 |
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in |
2018 |
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-18 |
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in |
1955 |
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| Month Avg Max Dew Point |
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40.6 |
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37.2 |
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35.4 |
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+5.2 |
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47.8 |
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in |
2015 |
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17.8 |
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in |
1989 |
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| Month Avg
Min Dew Point |
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28.9 |
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24.6 |
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20.1 |
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+8.7 |
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35.1 |
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in |
2015 |
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-0.4 |
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in |
1989 |
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| Month Average Dew Point |
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35.0 |
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31.1 |
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27.8 |
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+7.2 |
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41.6 |
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in |
2015 |
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8.7 |
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in |
1989 |
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| Precipitation |
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.00 |
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.00 |
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.15 |
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-.15 |
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2.05 |
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in |
1946 |
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| One Hour
Rain |
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.00 |
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.00 |
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.59 |
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in |
1993 |
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| Half Hour
Rain |
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.00 |
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.00 |
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.15 |
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in |
2012 |
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| Hourly Rain Rate |
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.00 |
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.00 |
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4.36 |
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in |
2012 |
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| Month Precipitation |
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4.63 |
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3.55 |
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3.16 |
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+1.47 |
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9.27 |
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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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53.68 |
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41.36 |
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44.59 |
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+9.09 |
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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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7.2 |
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in |
1954 |
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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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20 |
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in |
2009 |
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| Month Snow |
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0.1 |
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1.5 |
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3.8 |
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-3.7 |
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21.3 |
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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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4.4 |
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+4.4 |
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21.3 |
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in |
1898 |
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0.0 |
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in |
2015 |
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December 21, 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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78% |
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92% |
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84% |
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-6% |
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100% |
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in |
2018 |
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44% |
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in |
1955 |
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| Minimum
Humidity |
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39% |
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59% |
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58% |
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-19% |
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96% |
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in |
1972 |
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22% |
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in |
1955 |
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| Average Humidity |
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59% |
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76% |
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71% |
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-12% |
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98% |
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in |
1972 |
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33% |
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in |
1955 |
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| Maximum Barometer |
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30.42 |
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30.50 |
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30.17 |
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+00.25 |
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30.94 |
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in |
1983 |
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29.42 |
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in |
1978 |
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| Minimum
Barometer |
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30.26 |
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30.39 |
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29.84 |
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+00.42 |
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30.50 |
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in |
1983 |
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28.95 |
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in |
1973 |
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| Average Barometer |
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30.34 |
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30.45 |
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30.01 |
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+00.33 |
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30.72 |
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in |
1983 |
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29.21 |
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in |
1976 |
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| Average
Wind |
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12.1 |
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3.1 |
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8.8 |
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+3.3 |
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18.6 |
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in |
1976 |
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2.7 |
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in |
1956 |
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| Direction |
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N |
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NNW |
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WNW |
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WNW |
SW |
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| High
Wind Gust |
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32 |
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13 |
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27 |
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+5 |
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48 |
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in |
1957 |
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12 |
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in |
1983 |
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| Direction |
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N |
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NNW |
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WNW |
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S |
NE |
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| Maximum Water Temp |
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47.8 |
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46.8 |
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45.0 |
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+2.8 |
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50.2 |
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in |
2006 |
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40.6 |
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in |
2019 |
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| Minimum
Water Temp |
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44.2 |
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43.5 |
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42.4 |
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+1.8 |
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47.2 |
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in |
2011 |
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37.2 |
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in |
2004 |
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| Average Water Temp |
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46.0 |
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45.2 |
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43.7 |
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+2.3 |
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48.4 |
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in |
2011 |
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39.1 |
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in |
2019 |
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| Sunrise/ AM Twilight |
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7:08:08 AM |
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6:38:37 AM |
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| Sunset /
PM Twilight |
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4:18:02 PM |
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4:48:03 PM |
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| Length Of Day |
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9:09:54 |
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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 21, 2023 |
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| Climate Weather for December 21 |
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| Weather History For December 21 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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