| Portsmouth Rhode Island Weather Almanac |
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| Thursday,
December 30, 2021 |
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| Cloudy,
Light Rain and Foggy, Light Winds and Very Warm |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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December 30, 2021 |
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Record |
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Record |
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| Observed Daily Data |
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2021 |
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2020 |
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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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45 |
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45 |
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40 |
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+5 |
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60 |
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in |
1984 |
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5 |
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in |
1917 |
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| Minimum
Temperature |
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40 |
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23 |
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27 |
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+13 |
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48 |
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in |
1948 |
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-10 |
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in |
1917 |
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| Average Temperature |
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43 |
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34 |
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33 |
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+10 |
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52 |
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in |
1948 |
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-3 |
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in |
1917 |
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| Month Avg Max Temperature |
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46.1 |
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43.3 |
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43.3 |
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+2.8 |
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54.1 |
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in |
2015 |
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30.3 |
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in |
1989 |
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| Month Avg
Min Temperature |
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33.9 |
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30.7 |
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30.1 |
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+3.8 |
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41.5 |
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in |
2015 |
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14.3 |
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in |
1989 |
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| Month Average
Temperature |
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40.3 |
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37.3 |
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36.7 |
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+3.6 |
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48.1 |
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in |
2015 |
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22.5 |
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in |
1989 |
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| High Heat Index |
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| Low Wind Chill |
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36 |
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15 |
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15 |
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+21 |
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-27 |
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in |
1917 |
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| Heating Degree Days |
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22 |
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31 |
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32 |
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-10 |
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68 |
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in |
1917 |
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13 |
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in |
1948 |
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| Month HDD |
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742 |
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832 |
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848 |
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-106 |
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1276 |
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in |
1989 |
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507 |
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in |
2015 |
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| Season HDD |
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1536 |
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1625 |
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1838 |
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-302 |
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2448 |
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in |
1904 |
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1302 |
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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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in |
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| Month CDD |
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0 |
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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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in |
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| Year Cooling Degree Days |
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795 |
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871 |
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609 |
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+186 |
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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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44 |
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41 |
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33 |
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+11 |
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53 |
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in |
1984 |
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-3 |
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in |
1987 |
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| Minimum
Dew Point |
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34 |
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10 |
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17 |
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+17 |
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42 |
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in |
1990 |
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-16 |
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in |
1962 |
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| Average Dew Point |
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39 |
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26 |
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25 |
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+14 |
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47 |
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in |
1990 |
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-7 |
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in |
1987 |
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| Month Avg Max Dew Point |
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40.1 |
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37.1 |
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34.1 |
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+6.1 |
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49.4 |
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in |
2015 |
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15.6 |
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in |
1989 |
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| Month Avg
Min Dew Point |
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22.8 |
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22.7 |
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18.5 |
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+4.3 |
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36.1 |
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in |
2015 |
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-0.7 |
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in |
1989 |
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| Month Average Dew Point |
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31.6 |
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30.1 |
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26.3 |
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+5.3 |
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43.0 |
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in |
2015 |
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7.4 |
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in |
1989 |
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| Precipitation |
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.02 |
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.00 |
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.13 |
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-.11 |
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1.98 |
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in |
2019 |
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| One Hour |
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.01 |
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.00 |
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.39 |
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in |
2000 |
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| Hourly Rate |
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.00 |
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.00 |
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.62 |
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in |
2019 |
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| Month Precipitation |
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1.69 |
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6.08 |
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4.40 |
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-2.71 |
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9.45 |
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in |
1936 |
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.58 |
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in |
1955 |
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| Year Precipitation |
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47.27 |
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42.96 |
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45.83 |
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+1.44 |
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65.49 |
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in |
1983 |
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27.66 |
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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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0.3 |
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-0.3 |
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5.8 |
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in |
1993 |
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in |
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| Snow Depth |
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0 |
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0 |
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15 |
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in |
1947 |
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in |
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| Month Snow |
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0.8 |
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7.4 |
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6.2 |
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-5.4 |
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22.3 |
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in |
1904 |
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T |
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in |
2011 |
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| Season Snow |
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0.8 |
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8.0 |
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6.8 |
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-6.0 |
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23.7 |
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in |
1904 |
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T |
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in |
1999 |
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December
30, 2021 |
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|
Record |
Record |
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| Observed Daily Data |
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2021 |
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2020 |
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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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84% |
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85% |
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+14% |
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100% |
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in |
2005 |
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38% |
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in |
1949 |
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| Minimum
Humidity |
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80% |
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42% |
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53% |
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+27% |
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96% |
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in |
1992 |
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16% |
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in |
1994 |
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| Average Humidity |
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90% |
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63% |
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69% |
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+20% |
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98% |
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in |
1992 |
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30% |
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in |
1994 |
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| Maximum Barometer |
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30.01 |
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30.50 |
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30.15 |
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-00.14 |
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30.68 |
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in |
2006 |
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29.33 |
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in |
1997 |
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| Minimum
Barometer |
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29.92 |
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30.04 |
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29.81 |
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+00.11 |
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30.40 |
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in |
1972 |
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28.89 |
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in |
1997 |
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| Average Barometer |
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29.97 |
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30.27 |
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29.98 |
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-00.01 |
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30.50 |
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in |
1978 |
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29.11 |
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in |
1997 |
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| Average Wind |
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2.6 |
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8.0 |
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8.6 |
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-6.0 |
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25.7 |
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in |
1962 |
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2.2 |
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in |
2004 |
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| Direction |
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ENE |
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SW |
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NW |
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NW |
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N |
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| High Wind Gust |
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11 |
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29 |
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26 |
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-15 |
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70 |
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in |
1962 |
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11 |
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in |
2021 |
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| Direction |
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NNW |
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SW |
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NW |
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NW |
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NNW |
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| Maximum Water Temp |
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48.6 |
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42.8 |
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43.3 |
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+5.3 |
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48.9 |
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in |
2006 |
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37.8 |
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in |
2017 |
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| Minimum
Water Temp |
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46.2 |
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41.5 |
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40.8 |
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+5.4 |
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46.3 |
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in |
2015 |
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33.6 |
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in |
2017 |
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| Average Water Temp |
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47.4 |
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42.2 |
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42.1 |
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+5.3 |
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47.4 |
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in |
2021 |
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35.7 |
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in |
2017 |
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| Sunrise/ AM Twilight |
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7:11:27 AM |
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6:41:48 AM |
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| Sunset /
PM Twilight |
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4:24:12 PM |
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4:53:50 PM |
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| Length Of Day |
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9:12:45 |
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| Special Conditions |
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Dense Fog |
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| Comments |
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| Hour-by-Hour Weather For December 30, 2021 |
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| Climate Weather for December 30 |
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| Weather History For December 30 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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