| Portsmouth Rhode Island
Weather Almanac |
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| Monday, December 7, 2020 |
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| Clear early then Partly Cloudy and Colder |
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| Climate
Normal Period |
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Climate Record Period |
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| 1981- 2010 |
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1893 - 2020 |
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December
7, 2020 |
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Record |
Record |
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| Observed Daily Data |
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Observed |
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2019 |
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Normal |
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Depart |
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Highest |
Lowest |
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| Maximum Temperature |
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36 |
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36 |
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45 |
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-9 |
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67 |
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in |
1998 |
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26 |
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in |
1954 |
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| Minimum
Temperature |
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28 |
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26 |
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31 |
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-3 |
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51 |
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in |
1932 |
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11 |
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in |
1906 |
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| Average Temperature |
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32 |
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31 |
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38 |
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-6 |
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58 |
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in |
1998 |
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21 |
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in |
1954 |
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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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2.10 |
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in |
1908 |
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| One
Hour |
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.00 |
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.00 |
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.61 |
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in |
1996 |
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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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1.7 |
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in |
1922 |
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| Snow
Depth |
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0 |
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T |
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17 |
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in |
1981 |
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| HDD |
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33 |
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34 |
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27 |
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+6 |
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44 |
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in |
1954 |
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7 |
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in |
1998 |
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| 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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0 |
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in |
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| Maximum Dew Point |
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24 |
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28 |
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37 |
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-13 |
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59 |
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in |
1953 |
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11 |
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in |
1958 |
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| Minimum
Dew Point |
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20 |
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15 |
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22 |
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-2 |
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46 |
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in |
2011 |
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-4 |
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in |
1989 |
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| Average Dew Point |
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22 |
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22 |
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29 |
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-7 |
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51 |
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in |
2011 |
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8 |
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in |
1958 |
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| Maximum Humidity |
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78% |
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75% |
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85% |
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-7% |
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100% |
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in |
2004 |
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53% |
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in |
1958 |
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| Minimum
Humidity |
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59% |
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47% |
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54% |
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+5% |
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95% |
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in |
2011 |
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28% |
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in |
1988 |
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| Average Humidity |
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69% |
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61% |
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70% |
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-1% |
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97% |
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in |
2004 |
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46% |
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in |
1995 |
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| Maximum Barometer |
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29.78 |
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30.47 |
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30.11 |
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-00.33 |
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30.66 |
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in |
1935 |
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29.45 |
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in |
1962 |
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| Minimum
Barometer |
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29.68 |
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30.05 |
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29.79 |
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-00.11 |
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30.26 |
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in |
1950 |
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29.05 |
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in |
1959 |
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| Average Barometer |
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29.73 |
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30.26 |
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29.95 |
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-00.22 |
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30.41 |
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in |
1950 |
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29.28 |
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in |
1959 |
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| Average Wind |
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6.2 |
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11.4 |
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8.5 |
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-2.3 |
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24.4 |
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in |
1983 |
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0.6 |
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in |
2012 |
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| Direction |
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NW |
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NNW |
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W |
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W |
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SSW |
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| High Wind Gust |
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26 |
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28 |
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27 |
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-1 |
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68 |
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in |
1953 |
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7 |
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in |
1990 |
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| Direction |
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NW |
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WNW |
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WNW |
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SSW |
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WNW |
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| High Heat Index |
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| Wind Chill |
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19 |
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18 |
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22 |
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-3 |
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-1 |
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in |
1989 |
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| Maximum Water Temp |
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50.0 |
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43.7 |
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47.8 |
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+2.2 |
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53.8 |
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in |
2011 |
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42.8 |
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in |
2007 |
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| Minimum
Water Temp |
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48.7 |
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40.3 |
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45.3 |
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+3.4 |
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52.7 |
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in |
2011 |
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40.3 |
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in |
2019 |
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| Average Water Temp |
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49.4 |
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42.0 |
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46.5 |
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+2.8 |
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53.3 |
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in |
2011 |
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41.9 |
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in |
2007 |
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| Sunrise/ AM Twilight |
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6:59:12 AM |
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6:28:09 AM |
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| Sunset /
PM Twilight |
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4:15:23 PM |
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4:46:27 PM |
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| Length Of Day |
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9:16:11 |
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| Special Conditions |
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None |
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| Comments |
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December
7, 2020 |
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|
Record |
Record |
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| Month-to-Date Summary |
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Observed |
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2019 |
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Normal |
Depart |
Highest |
Lowest |
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| Avg Maximum Temperature |
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47.9 |
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39.9 |
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45.9 |
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+2.0 |
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59.1 |
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in |
1998 |
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32.6 |
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in |
1954 |
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| Avg
Minimum Temperature |
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36.0 |
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27.6 |
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32.1 |
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+3.9 |
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45.3 |
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in |
2001 |
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14.9 |
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in |
1989 |
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| Average Temperature |
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42.1 |
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34.0 |
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39.0 |
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+3.1 |
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52.6 |
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in |
2001 |
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25.4 |
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in |
1926 |
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| Total
Precipitation |
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2.53 |
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.79 |
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1.05 |
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+1.48 |
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4.15 |
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in |
1981 |
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.00 |
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in |
2000 |
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| Total Snow |
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T |
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4.2 |
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1.3 |
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-1.3 |
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17.0 |
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in |
1981 |
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0.0 |
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in |
2017 |
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| Total
HDD |
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160 |
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217 |
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181 |
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-21 |
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277 |
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in |
1926 |
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87 |
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in |
2001 |
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| Total 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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| Avg Maximum Dew Point |
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40.0 |
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33.4 |
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37.8 |
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+2.2 |
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51.4 |
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in |
1982 |
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21.3 |
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in |
1976 |
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| Avg
Minimum Dew Point |
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27.3 |
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18.9 |
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23.0 |
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+4.2 |
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37.7 |
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in |
2001 |
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-2.9 |
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in |
1989 |
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| Average Dew Point |
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33.9 |
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26.4 |
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30.4 |
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+3.5 |
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44.1 |
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in |
2001 |
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10.6 |
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in |
1989 |
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December 7, 2020 |
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Record |
Record |
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| Year-to-Date Summary |
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Observed |
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2019 |
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Normal |
Depart |
Highest |
Lowest |
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| Total Precipitation |
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39.41 |
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50.29 |
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45.03 |
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-5.62 |
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61.79 |
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in |
1983 |
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24.35 |
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in |
1957 |
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| Total
Snow (since Jul 1 20) |
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0.6 |
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4.2 |
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2.4 |
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-1.8 |
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19.5 |
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in |
1898 |
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0.0 |
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in |
2017 |
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| Total HDD (since Jul 1
20) |
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953 |
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1207 |
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1213 |
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-260 |
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1568 |
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in |
1904 |
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901 |
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in |
2011 |
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| Total
CDD (since Jan 1) |
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871 |
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731 |
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563 |
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+308 |
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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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| Hour-by-Hour Weather For December 7, 2020 |
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| Climate Weather for December 7 |
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| Weather History For December 7 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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