| Portsmouth Rhode Island
Weather Almanac |
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| Monday, December 14, 2020 |
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| Partly Cloudy early, Cloudy, Light Rain and Fog Daytime to
Partly Cloudy PM, Light Winds and Cooler |
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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
14, 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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42 |
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58 |
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42 |
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+0 |
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60 |
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in |
2015 |
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21 |
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in |
1893 |
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| Minimum
Temperature |
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34 |
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48 |
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29 |
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+5 |
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50 |
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in |
1901 |
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4 |
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in |
1982 |
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| Average Temperature |
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38 |
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53 |
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35 |
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+3 |
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55 |
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in |
2015 |
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13 |
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in |
1893 |
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| Precipitation |
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.15 |
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1.54 |
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.14 |
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+.01 |
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1.81 |
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in |
1897 |
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| One
Hour |
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.05 |
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.35 |
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.47 |
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in |
2002 |
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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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5.3 |
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in |
1907 |
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| Snow
Depth |
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0 |
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2 |
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11 |
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in |
1904 |
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| HDD |
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27 |
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12 |
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29 |
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-2 |
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52 |
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in |
1893 |
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10 |
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in |
2015 |
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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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35 |
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57 |
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34 |
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+1 |
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58 |
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in |
2015 |
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-2 |
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in |
1989 |
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| Minimum
Dew Point |
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29 |
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44 |
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19 |
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+10 |
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46 |
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in |
2015 |
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-11 |
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in |
1960 |
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| Average Dew Point |
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32 |
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51 |
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27 |
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+5 |
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52 |
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in |
2015 |
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-6 |
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in |
1989 |
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| Maximum Humidity |
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94% |
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100% |
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87% |
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+7% |
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100% |
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in |
2019 |
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46% |
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in |
1989 |
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| Minimum
Humidity |
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77% |
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86% |
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59% |
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+18% |
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93% |
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in |
1993 |
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23% |
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in |
1989 |
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| Average Humidity |
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86% |
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93% |
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73% |
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+12% |
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97% |
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in |
1993 |
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35% |
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in |
1989 |
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| Maximum Barometer |
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30.00 |
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30.03 |
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30.18 |
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-00.18 |
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30.67 |
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in |
1984 |
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29.55 |
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in |
2010 |
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| Minimum
Barometer |
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29.78 |
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29.20 |
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29.83 |
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-00.05 |
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30.49 |
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in |
1994 |
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29.14 |
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in |
2010 |
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| Average Barometer |
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29.89 |
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29.62 |
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30.01 |
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-00.12 |
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30.54 |
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in |
1994 |
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29.35 |
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in |
2010 |
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| Average Wind |
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5.0 |
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12.7 |
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8.1 |
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-3.1 |
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15.6 |
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in |
1953 |
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2.7 |
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in |
1981 |
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| Direction |
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NNW |
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S |
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N |
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NE |
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WSW |
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| High Wind Gust |
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20 |
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35 |
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26 |
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-6 |
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57 |
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in |
1953 |
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12 |
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in |
1972 |
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| Direction |
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WNW |
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ESE |
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WNW |
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SW |
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N |
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| High Heat Index |
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| Wind Chill |
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26 |
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43 |
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19 |
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+7 |
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-15 |
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in |
1982 |
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| Maximum Water Temp |
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50.9 |
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42.1 |
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46.4 |
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+4.5 |
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52.2 |
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in |
2011 |
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41.9 |
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in |
2018 |
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| Minimum
Water Temp |
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48.6 |
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39.7 |
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44.0 |
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+4.6 |
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50.4 |
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in |
2015 |
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38.4 |
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in |
2013 |
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| Average Water Temp |
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49.8 |
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40.9 |
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45.2 |
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+4.6 |
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50.7 |
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in |
2015 |
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40.3 |
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in |
2013 |
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| Sunrise/ AM Twilight |
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7:04:44 AM |
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6:33:28 AM |
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| Sunset /
PM Twilight |
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4:16:22 PM |
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4:47:38 PM |
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| Length Of Day |
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9:11:38 |
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| Special Conditions |
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Fog |
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| Comments |
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December
14, 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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47.1 |
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44.3 |
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44.6 |
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+2.5 |
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54.4 |
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in |
2015 |
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30.3 |
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in |
1904 |
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| Avg
Minimum Temperature |
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34.7 |
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30.2 |
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30.9 |
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+3.8 |
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41.9 |
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in |
2015 |
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16.1 |
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in |
1989 |
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| Average Temperature |
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41.1 |
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37.5 |
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37.7 |
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+3.4 |
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48.4 |
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in |
2015 |
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25.0 |
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in |
1904 |
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| Total
Precipitation |
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3.47 |
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4.82 |
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2.07 |
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+1.40 |
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6.64 |
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in |
1936 |
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.04 |
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in |
1911 |
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| Total Snow |
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T |
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8.0 |
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2.7 |
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-2.7 |
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19.2 |
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in |
1981 |
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0.0 |
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in |
2015 |
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| Total
HDD |
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334 |
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385 |
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378 |
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-44 |
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560 |
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in |
1904 |
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232 |
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in |
2015 |
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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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32.0 |
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39.5 |
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36.5 |
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-4.5 |
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48.4 |
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in |
2015 |
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17.6 |
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in |
1989 |
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| Avg
Minimum Dew Point |
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28.1 |
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23.4 |
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21.5 |
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+6.5 |
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37.9 |
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in |
2015 |
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-1.3 |
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in |
1989 |
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| Average Dew Point |
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34.2 |
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31.9 |
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29.0 |
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+5.2 |
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43.3 |
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in |
2015 |
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8.2 |
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in |
1989 |
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December 14, 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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40.35 |
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54.32 |
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46.05 |
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-5.70 |
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63.38 |
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in |
1983 |
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27.09 |
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in |
1965 |
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| Total
Snow (since Jul 1 20) |
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0.6 |
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8.0 |
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3.8 |
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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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| Total HDD (since Jul 1
20) |
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1127 |
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1375 |
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1410 |
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-283 |
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1872 |
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in |
1904 |
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1027 |
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in |
2015 |
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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 14, 2020 |
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| Climate Weather for December 14 |
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| Weather History For December 14 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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