| Portsmouth Rhode Island
Weather Almanac |
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| Wednesday, December 23, 2020 |
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| Clear early, Partly Cloudy Day to Mostly Cloudy PM and Mild |
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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
23, 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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52 |
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40 |
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+2 |
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62 |
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in |
2015 |
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20 |
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in |
1989 |
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| Minimum
Temperature |
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31 |
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35 |
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26 |
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+5 |
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50 |
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in |
1990 |
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2 |
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in |
1955 |
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| Average Temperature |
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37 |
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44 |
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33 |
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+4 |
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55 |
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in |
2015 |
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13 |
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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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.13 |
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-.13 |
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1.85 |
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in |
2015 |
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| One
Hour |
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.00 |
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.00 |
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.99 |
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in |
2015 |
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| Snow |
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0.0 |
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0.0 |
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0.3 |
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-0.3 |
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6.2 |
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in |
1905 |
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| Snow
Depth |
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3 |
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0 |
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17 |
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in |
2009 |
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| HDD |
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28 |
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21 |
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32 |
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-4 |
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52 |
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in |
1989 |
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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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36 |
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40 |
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32 |
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+4 |
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62 |
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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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20 |
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30 |
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16 |
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+4 |
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50 |
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in |
1990 |
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-7 |
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in |
1955 |
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| Average Dew Point |
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28 |
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35 |
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24 |
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+4 |
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55 |
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in |
2015 |
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-4 |
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in |
1989 |
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| Maximum Humidity |
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80% |
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86% |
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85% |
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-5% |
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100% |
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in |
2017 |
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51% |
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in |
1960 |
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| Minimum
Humidity |
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46% |
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57% |
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59% |
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-13% |
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93% |
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in |
1990 |
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26% |
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in |
1971 |
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| Average Humidity |
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63% |
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72% |
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72% |
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-9% |
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97% |
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in |
1990 |
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44% |
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in |
1960 |
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| Maximum Barometer |
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30.40 |
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30.14 |
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30.17 |
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+00.23 |
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30.78 |
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in |
1971 |
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29.76 |
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in |
1991 |
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| Minimum
Barometer |
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30.06 |
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29.84 |
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29.85 |
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+00.21 |
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30.64 |
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in |
1971 |
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28.96 |
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in |
1968 |
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| Average Barometer |
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30.23 |
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29.99 |
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30.01 |
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+00.22 |
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30.71 |
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in |
1971 |
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29.46 |
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in |
1968 |
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| Average Wind |
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6.8 |
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5.7 |
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7.8 |
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-1.0 |
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15.0 |
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in |
1994 |
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1.9 |
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in |
1996 |
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| Direction |
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WNW |
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W |
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W |
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N |
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SSE |
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| High Wind Gust |
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29 |
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21 |
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26 |
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+3 |
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61 |
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in |
1994 |
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11 |
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in |
1980 |
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| Direction |
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WNW |
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SSW |
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NW |
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NNE |
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ESE |
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| High Heat Index |
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| Wind Chill |
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22 |
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30 |
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18 |
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+4 |
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-13 |
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in |
1954 |
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| Maximum Water Temp |
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44.1 |
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40.3 |
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44.2 |
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-0.1 |
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51.1 |
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in |
2011 |
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38.9 |
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in |
2008 |
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| Minimum
Water Temp |
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42.4 |
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37.1 |
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41.9 |
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+0.5 |
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49.2 |
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in |
2015 |
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36.9 |
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in |
2008 |
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| Average Water Temp |
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43.3 |
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38.7 |
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43.1 |
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+0.2 |
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50.0 |
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in |
2011 |
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37.9 |
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in |
2008 |
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| Sunrise/ AM Twilight |
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7:09:39 AM |
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6:38:21 AM |
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| Sunset /
PM Twilight |
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4:20:20 PM |
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4:51:39 PM |
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| Length Of Day |
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9:10:41 |
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| Special Conditions |
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None |
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| Comments |
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December
23, 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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42.4 |
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41.6 |
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43.1 |
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-0.7 |
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53.9 |
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in |
2015 |
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31.5 |
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in |
1989 |
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| Avg
Minimum Temperature |
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31.0 |
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28.2 |
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29.3 |
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+1.7 |
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41.5 |
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in |
2015 |
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15.0 |
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in |
1989 |
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| Average Temperature |
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37.0 |
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35.3 |
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36.2 |
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+0.8 |
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48.0 |
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in |
2015 |
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23.5 |
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in |
1989 |
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| Total
Precipitation |
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4.25 |
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5.28 |
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3.31 |
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+.94 |
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9.27 |
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in |
1936 |
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.37 |
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in |
1998 |
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| Total Snow |
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7.4 |
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8.4 |
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5.2 |
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+2.2 |
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21.3 |
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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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645 |
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684 |
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657 |
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-12 |
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955 |
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in |
1989 |
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390 |
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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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35.9 |
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35.4 |
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35.1 |
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+0.8 |
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48.8 |
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in |
2015 |
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15.9 |
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in |
1989 |
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| Avg
Minimum Dew Point |
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23.5 |
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20.7 |
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19.8 |
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+3.7 |
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36.3 |
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in |
2015 |
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-1.2 |
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in |
1989 |
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| Average Dew Point |
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29.9 |
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28.4 |
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27.4 |
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+2.4 |
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42.7 |
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in |
2015 |
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7.4 |
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in |
1989 |
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December 23, 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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41.13 |
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54.78 |
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47.29 |
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-6.16 |
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65.09 |
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in |
1983 |
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27.14 |
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in |
1965 |
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| Total
Snow (since Jul 1 20) |
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8.0 |
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8.4 |
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6.3 |
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+1.7 |
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21.3 |
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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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1438 |
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1674 |
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1689 |
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-251 |
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2202 |
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in |
1904 |
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1185 |
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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 23, 2020 |
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| Climate Weather for December 23 |
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| Weather History For December 23 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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