| Portsmouth Rhode Island Weather Almanac |
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| Friday,
December 10, 2021 |
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| Cloudy to
Mostly Cloudy PM & Fog, Light Winds and Warmer |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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December 10, 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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49 |
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46 |
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44 |
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+5 |
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62 |
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in |
1946 |
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17 |
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in |
1904 |
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| Minimum
Temperature |
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29 |
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31 |
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31 |
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-2 |
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48 |
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in |
2015 |
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4 |
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in |
1902 |
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| Average Temperature |
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39 |
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39 |
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38 |
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+1 |
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55 |
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in |
1946 |
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14 |
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in |
1904 |
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| Month Avg Max Temperature |
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47.2 |
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45.0 |
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45.6 |
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+1.6 |
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55.6 |
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in |
1953 |
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31.4 |
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in |
1904 |
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| Month Avg
Min Temperature |
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34.0 |
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33.5 |
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32.6 |
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+1.4 |
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42.1 |
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in |
1998 |
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14.9 |
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in |
1989 |
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| Month Average
Temperature |
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40.8 |
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39.5 |
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39.0 |
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+1.8 |
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49.0 |
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in |
1998 |
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25.0 |
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in |
1989 |
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| High Heat Index |
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| Low Wind Chill |
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28 |
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29 |
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21 |
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+7 |
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-9 |
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in |
1968 |
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| Heating Degree Days |
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26 |
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26 |
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27 |
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-1 |
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51 |
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in |
1904 |
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10 |
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in |
1946 |
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| Month HDD |
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242 |
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255 |
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260 |
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-18 |
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400 |
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in |
1989 |
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160 |
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in |
1998 |
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| Season HDD |
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1036 |
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1048 |
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1250 |
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-214 |
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1697 |
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in |
1904 |
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971 |
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in |
2011 |
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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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43 |
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35 |
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37 |
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+6 |
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59 |
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in |
2012 |
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-6 |
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in |
1968 |
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| Minimum
Dew Point |
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21 |
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27 |
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22 |
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-1 |
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47 |
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in |
2015 |
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-11 |
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in |
1968 |
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| Average Dew Point |
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32 |
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31 |
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30 |
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+2 |
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51 |
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in |
2015 |
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-9 |
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in |
1968 |
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| Month Avg Max Dew Point |
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39.8 |
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37.0 |
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37.2 |
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+2.6 |
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47.3 |
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in |
2001 |
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18.8 |
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in |
1989 |
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| Month Avg
Min Dew Point |
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23.1 |
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25.7 |
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22.4 |
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+0.7 |
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35.4 |
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in |
2015 |
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-3.3 |
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in |
1989 |
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| Month Average Dew Point |
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31.7 |
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31.6 |
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29.8 |
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+1.9 |
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41.0 |
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in |
2015 |
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7.8 |
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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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2.78 |
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in |
1936 |
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| One Hour |
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.00 |
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.00 |
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.44 |
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in |
2012 |
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| Hourly Rate |
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.00 |
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.00 |
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5.05 |
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in |
2012 |
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| Month Precipitation |
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.41 |
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2.53 |
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1.50 |
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-1.09 |
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4.50 |
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in |
1936 |
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.00 |
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in |
1988 |
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| Year Precipitation |
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45.99 |
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39.41 |
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42.93 |
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+3.06 |
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61.88 |
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in |
1983 |
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26.25 |
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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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2.9 |
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in |
1905 |
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in |
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| Snow Depth |
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T |
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0 |
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12 |
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in |
1981 |
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in |
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| Month Snow |
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0.2 |
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T |
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1.6 |
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-1.4 |
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17.0 |
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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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0.2 |
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0.6 |
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2.2 |
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-2.0 |
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19.5 |
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in |
1898 |
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0.0 |
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in |
2015 |
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December
10, 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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95% |
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86% |
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86% |
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+9% |
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100% |
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in |
2015 |
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47% |
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in |
1968 |
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| Minimum
Humidity |
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64% |
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57% |
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59% |
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+5% |
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96% |
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in |
1966 |
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24% |
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in |
1968 |
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| Average Humidity |
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80% |
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72% |
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72% |
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+7% |
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98% |
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in |
1966 |
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36% |
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in |
1968 |
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| Maximum Barometer |
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30.28 |
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30.20 |
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30.14 |
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+00.14 |
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30.55 |
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in |
1964 |
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29.48 |
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in |
1981 |
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| Minimum
Barometer |
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30.14 |
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29.75 |
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29.83 |
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+00.31 |
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30.36 |
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in |
1949 |
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29.08 |
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in |
1903 |
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| Average Barometer |
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30.21 |
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29.98 |
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29.99 |
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+00.22 |
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30.46 |
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in |
1949 |
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29.39 |
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in |
1981 |
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| Average Wind |
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4.0 |
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6.7 |
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7.5 |
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-3.5 |
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22.9 |
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in |
1977 |
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0.9 |
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in |
1997 |
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| Direction |
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E |
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NW |
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WNW |
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WNW |
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WNW |
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| High Wind Gust |
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17 |
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23 |
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24 |
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-7 |
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49 |
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in |
1905 |
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10 |
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in |
1997 |
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| Direction |
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S |
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NNW |
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WNW |
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NW |
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N |
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| Maximum Water Temp |
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48.7 |
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47.1 |
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46.9 |
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+1.8 |
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52.8 |
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in |
2011 |
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41.9 |
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in |
2010 |
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| Minimum
Water Temp |
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47.1 |
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45.5 |
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44.3 |
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+2.8 |
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50.1 |
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in |
2011 |
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37.7 |
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in |
2010 |
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| Average Water Temp |
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47.9 |
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46.3 |
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45.6 |
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+2.3 |
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51.5 |
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in |
2011 |
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39.8 |
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in |
2010 |
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| Sunrise/ AM Twilight |
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6:59:24 AM |
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6:29:49 AM |
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| Sunset /
PM Twilight |
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4:17:01 PM |
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4:46:36 PM |
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| Length Of Day |
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9:17:37 |
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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 10, 2021 |
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| Climate Weather for December 10 |
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| Weather History For December 10 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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