| Portsmouth Rhode Island
Weather Almanac |
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| Sunday, December 23, 2018 |
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| Clear to Partly Cloudy PM, Breezy, Dry 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 - 2018 |
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December 23, 2018 |
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Record |
Record |
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| Observed Daily Data |
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Observed |
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2017 |
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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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40 |
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53 |
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40 |
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+0 |
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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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33 |
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31 |
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26 |
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+7 |
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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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42 |
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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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.63 |
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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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.14 |
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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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0 |
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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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23 |
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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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| Maximum Dew Point |
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26 |
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51 |
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32 |
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-6 |
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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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23 |
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31 |
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16 |
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+7 |
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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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25 |
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41 |
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24 |
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+1 |
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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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76% |
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100% |
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85% |
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-9% |
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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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51% |
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88% |
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59% |
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-8% |
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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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64% |
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94% |
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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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30.12 |
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30.18 |
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30.16 |
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-00.04 |
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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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29.88 |
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29.68 |
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29.85 |
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+00.03 |
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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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30.00 |
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29.93 |
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30.00 |
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-00.00 |
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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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8.2 |
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6.6 |
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7.8 |
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+0.4 |
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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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N |
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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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21 |
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25 |
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26 |
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-5 |
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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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W |
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SW |
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W |
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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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25 |
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25 |
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18 |
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+7 |
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-13 |
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in |
1954 |
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| Maximum Water Temp |
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43.0 |
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44.5 |
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44.4 |
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-1.4 |
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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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41.4 |
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41.8 |
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42.1 |
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-0.7 |
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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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42.2 |
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43.2 |
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43.3 |
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-1.1 |
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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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7:09:27 AM |
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6:38:08 AM |
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| Sunset /
PM Twilight |
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4:20:02 PM |
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4:51:21 PM |
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| Length Of Day |
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9:10:35 |
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| Special Conditions |
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None |
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| Comments |
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December 23, 2018 |
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Record |
Record |
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| Month-to-Date Summary |
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Observed |
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2017 |
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Normal |
Depart |
Highest |
Lowest |
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| Avg Maximum Temperature |
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43.3 |
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42.6 |
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43.1 |
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+0.2 |
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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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30.4 |
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29.9 |
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29.3 |
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+1.0 |
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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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36.8 |
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36.3 |
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36.2 |
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+0.7 |
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47.7 |
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in |
2015 |
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23.3 |
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in |
1989 |
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| Total
Precipitation |
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2.63 |
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1.97 |
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3.31 |
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-.68 |
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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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0.0 |
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6.1 |
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5.2 |
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-5.2 |
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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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641 |
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655 |
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657 |
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-16 |
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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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807 |
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in |
2016 |
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290 |
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in |
1902 |
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| Avg Maximum Dew Point |
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35.6 |
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34.7 |
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35.1 |
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+0.5 |
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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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21.2 |
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20.6 |
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18.2 |
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+3.0 |
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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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28.4 |
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27.6 |
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26.0 |
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+2.4 |
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42.5 |
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in |
2015 |
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7.4 |
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in |
1989 |
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December 23, 2018 |
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Record |
Record |
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| Year-to-Date Summary |
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Observed |
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2017 |
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Normal |
Depart |
Highest |
Lowest |
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| Total Precipitation |
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51.86 |
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41.08 |
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47.16 |
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+4.70 |
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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 18) |
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4.2 |
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6.1 |
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6.3 |
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-2.1 |
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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
18) |
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1701 |
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1452 |
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1689 |
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+12 |
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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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775 |
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580 |
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563 |
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+212 |
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807 |
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in |
2016 |
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290 |
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in |
1902 |
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| Hour-by-Hour Weather For December 23, 2018 |
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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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