| Portsmouth Rhode Island Weather Almanac |
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| Thursday,
December 16, 2021 |
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| Cloudy,
Light Rain early, Partly Cloudy PM, Windy and Record Breaking Heat |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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December 16, 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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56 |
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29 |
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43 |
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+13 |
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62 |
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in |
1971 |
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18 |
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in |
1910 |
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| Minimum
Temperature |
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52 |
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19 |
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30 |
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+22 |
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52 |
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in |
2021 |
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6 |
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in |
1910 |
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| Average Temperature |
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54 |
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24 |
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36 |
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+18 |
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54 |
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in |
2021 |
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12 |
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in |
1910 |
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| Month Avg Max Temperature |
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49.9 |
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45.3 |
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44.9 |
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+5.1 |
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54.4 |
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in |
2015 |
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30.4 |
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in |
1904 |
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| Month Avg
Min Temperature |
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35.9 |
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33.2 |
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31.8 |
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+4.1 |
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42.1 |
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in |
2015 |
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16.3 |
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in |
1989 |
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| Month Average
Temperature |
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43.2 |
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39.4 |
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38.3 |
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+4.9 |
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48.6 |
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in |
2015 |
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24.9 |
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in |
1904 |
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| High Heat Index |
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| Low Wind Chill |
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46 |
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11 |
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18 |
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+28 |
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-9 |
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in |
1951 |
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| Heating Degree Days |
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11 |
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41 |
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29 |
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-18 |
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53 |
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in |
1910 |
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11 |
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in |
2021 |
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| Month HDD |
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349 |
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409 |
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427 |
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-78 |
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642 |
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in |
1904 |
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263 |
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in |
2015 |
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| Season HDD |
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1143 |
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1202 |
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1417 |
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-274 |
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1954 |
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in |
1904 |
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1058 |
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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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53 |
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27 |
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36 |
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+17 |
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58 |
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in |
1971 |
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4 |
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in |
1961 |
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| Minimum
Dew Point |
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47 |
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2 |
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21 |
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+26 |
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47 |
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in |
2021 |
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-10 |
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in |
1961 |
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| Average Dew Point |
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50 |
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15 |
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28 |
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+22 |
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50 |
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in |
2021 |
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-3 |
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in |
1961 |
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| Month Avg Max Dew Point |
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42.6 |
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38.6 |
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36.2 |
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+6.4 |
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48.6 |
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in |
2015 |
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18.7 |
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in |
1989 |
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| Month Avg
Min Dew Point |
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24.3 |
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25.1 |
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21.1 |
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+3.1 |
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37.7 |
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in |
2015 |
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-1.2 |
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in |
1989 |
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| Month Average Dew Point |
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33.6 |
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32.0 |
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28.6 |
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+5.0 |
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43.3 |
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in |
2015 |
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8.8 |
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in |
1989 |
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| Precipitation |
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.02 |
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.08 |
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.15 |
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-.13 |
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1.95 |
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in |
1960 |
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| One Hour |
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.02 |
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.00 |
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.37 |
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in |
1960 |
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| Hourly Rate |
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.00 |
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.00 |
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2.38 |
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in |
2005 |
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| Month Precipitation |
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.71 |
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3.55 |
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2.41 |
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-1.70 |
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7.06 |
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in |
1981 |
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.20 |
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in |
1998 |
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| Year Precipitation |
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46.29 |
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40.43 |
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43.84 |
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+2.45 |
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63.81 |
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in |
1983 |
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27.10 |
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in |
1965 |
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| Snow |
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0.0 |
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1.3 |
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0.2 |
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-0.2 |
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6.2 |
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in |
1989 |
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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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11 |
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in |
1904 |
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in |
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| Month Snow |
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0.2 |
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1.3 |
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2.8 |
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-2.6 |
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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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0.2 |
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1.9 |
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3.4 |
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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
16, 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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94% |
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94% |
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86% |
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+8% |
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100% |
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in |
2005 |
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52% |
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in |
1951 |
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| Minimum
Humidity |
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81% |
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42% |
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58% |
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+23% |
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89% |
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in |
2014 |
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22% |
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in |
1961 |
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| Average Humidity |
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88% |
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68% |
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72% |
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+15% |
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93% |
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in |
2014 |
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39% |
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in |
1988 |
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| Maximum Barometer |
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30.26 |
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30.49 |
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30.14 |
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+00.12 |
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30.62 |
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in |
1994 |
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29.54 |
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in |
1987 |
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| Minimum
Barometer |
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29.85 |
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30.06 |
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29.79 |
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+00.06 |
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30.49 |
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in |
1994 |
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28.87 |
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in |
1972 |
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| Average Barometer |
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30.06 |
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30.28 |
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29.96 |
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+00.09 |
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30.56 |
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in |
1994 |
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29.25 |
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in |
1987 |
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| Average Wind |
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10.5 |
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8.0 |
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8.7 |
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+1.8 |
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17.0 |
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in |
1972 |
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1.2 |
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in |
1986 |
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| Direction |
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SW |
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ENE |
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WNW |
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W |
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E |
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| High Wind Gust |
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32 |
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29 |
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28 |
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+4 |
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56 |
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in |
1927 |
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10 |
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in |
1986 |
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| Direction |
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SSW |
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ESE |
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WNW |
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W |
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W |
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| Maximum Water Temp |
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49.6 |
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45.9 |
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45.9 |
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+3.7 |
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51.3 |
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in |
2011 |
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39.4 |
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in |
2010 |
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| Minimum
Water Temp |
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48.2 |
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44.4 |
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43.4 |
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+4.8 |
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49.8 |
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in |
2015 |
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36.7 |
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in |
2010 |
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| Average Water Temp |
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48.9 |
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45.2 |
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44.7 |
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+4.2 |
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50.5 |
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in |
2011 |
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38.1 |
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in |
2010 |
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| Sunrise/ AM Twilight |
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7:03:53 AM |
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6:34:10 AM |
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| Sunset /
PM Twilight |
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4:18:13 PM |
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4:47:57 PM |
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| Length Of Day |
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9:14:20 |
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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 16, 2021 |
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| Climate Weather for December 16 |
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| Weather History For December 16 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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