| Portsmouth Rhode Island
Weather Almanac |
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| Tuesday, December 25, 2018 |
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| Clear early, Partly Cloudy Day to Clear PM, Seasonal
Temperatures |
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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 25, 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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39 |
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40 |
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+0 |
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65 |
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in |
2015 |
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12 |
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in |
1983 |
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| Minimum
Temperature |
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28 |
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29 |
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25 |
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+3 |
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54 |
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in |
2015 |
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-4 |
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in |
1980 |
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| Average Temperature |
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34 |
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34 |
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32 |
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+2 |
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60 |
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in |
2015 |
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8 |
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in |
1983 |
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| Precipitation |
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.00 |
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.28 |
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.13 |
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-.13 |
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1.08 |
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in |
2002 |
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| One Hour |
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.00 |
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.10 |
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.41 |
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in |
1978 |
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| Snow |
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0.0 |
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0.2 |
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0.3 |
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-0.3 |
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3.6 |
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in |
1909 |
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| Snow
Depth |
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0 |
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0 |
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10 |
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in |
2009 |
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| HDD |
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31 |
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31 |
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32 |
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-1 |
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57 |
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in |
1983 |
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5 |
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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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30 |
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38 |
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31 |
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-1 |
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59 |
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in |
2014 |
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-6 |
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in |
1983 |
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| Minimum
Dew Point |
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14 |
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16 |
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15 |
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-1 |
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50 |
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in |
2015 |
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-28 |
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in |
1980 |
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| Average Dew Point |
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22 |
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27 |
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23 |
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-1 |
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54 |
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in |
2015 |
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-11 |
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in |
1983 |
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| Maximum Humidity |
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85% |
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98% |
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86% |
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-1% |
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100% |
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in |
2015 |
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48% |
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in |
1983 |
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| Minimum
Humidity |
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44% |
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52% |
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53% |
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-9% |
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88% |
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in |
1982 |
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19% |
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in |
1968 |
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| Average Humidity |
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65% |
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75% |
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70% |
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-5% |
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94% |
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in |
1982 |
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39% |
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in |
1968 |
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| Maximum Barometer |
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30.30 |
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30.14 |
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30.15 |
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+00.15 |
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30.97 |
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in |
1949 |
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29.48 |
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in |
1966 |
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| Minimum
Barometer |
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30.03 |
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29.42 |
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29.77 |
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+00.26 |
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30.68 |
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in |
1949 |
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28.74 |
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in |
1978 |
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| Average Barometer |
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30.17 |
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29.78 |
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29.96 |
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+00.20 |
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30.83 |
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in |
1949 |
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29.20 |
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in |
1978 |
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| Average Wind |
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8.1 |
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12.2 |
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8.5 |
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-0.4 |
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21.0 |
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in |
1966 |
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1.4 |
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in |
2015 |
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| Direction |
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NW |
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W |
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WNW |
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W |
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SE |
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| High Wind Gust |
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20 |
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42 |
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28 |
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-8 |
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52 |
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in |
1966 |
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9 |
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in |
2015 |
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| Direction |
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NW |
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WNW |
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WNW |
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W |
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SSE |
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| High Heat Index |
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| Wind Chill |
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20 |
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19 |
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14 |
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+6 |
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-31 |
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in |
1980 |
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| Maximum Water Temp |
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42.3 |
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44.6 |
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44.6 |
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-2.3 |
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51.1 |
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in |
2015 |
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40.6 |
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in |
2000 |
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| Minimum
Water Temp |
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39.9 |
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42.1 |
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42.2 |
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-2.3 |
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50.2 |
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in |
2015 |
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34.5 |
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in |
2000 |
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| Average Water Temp |
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41.1 |
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43.4 |
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43.4 |
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-2.3 |
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50.7 |
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in |
2015 |
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37.6 |
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in |
2000 |
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| Sunrise/ AM Twilight |
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7:10:12 AM |
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6:38:55 AM |
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| Sunset /
PM Twilight |
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4:21:16 PM |
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4:52:33 PM |
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| Length Of Day |
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9:11:04 |
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| Special Conditions |
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None |
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| Comments |
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December 25, 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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42.8 |
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42.5 |
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42.8 |
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+0.0 |
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54.9 |
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in |
2015 |
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30.9 |
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in |
1989 |
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| Avg
Minimum Temperature |
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30.3 |
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30.0 |
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29.0 |
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+1.2 |
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42.5 |
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in |
2015 |
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14.2 |
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in |
1989 |
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| Average Temperature |
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36.6 |
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36.2 |
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35.9 |
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+0.7 |
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48.7 |
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in |
2015 |
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22.5 |
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in |
1989 |
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| Total
Precipitation |
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2.66 |
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2.25 |
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3.57 |
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-.91 |
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9.27 |
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in |
1936 |
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.45 |
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in |
1943 |
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| Total Snow |
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0.2 |
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6.3 |
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5.8 |
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-5.6 |
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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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704 |
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713 |
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721 |
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-17 |
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1056 |
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in |
1989 |
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399 |
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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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35.3 |
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35.0 |
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34.8 |
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+0.5 |
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49.8 |
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in |
2015 |
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15.3 |
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in |
1989 |
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| Avg
Minimum Dew Point |
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21.0 |
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20.5 |
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18.0 |
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+3.0 |
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37.5 |
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in |
2015 |
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-1.4 |
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in |
1989 |
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| Average Dew Point |
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28.1 |
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27.7 |
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25.9 |
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+2.3 |
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43.6 |
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in |
2015 |
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7.0 |
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in |
1989 |
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December 25, 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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51.89 |
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41.36 |
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47.42 |
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+4.47 |
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65.27 |
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in |
1983 |
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27.52 |
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in |
1965 |
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| Total
Snow (since Jul 1 18) |
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4.4 |
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6.3 |
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6.9 |
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-2.5 |
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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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1764 |
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1510 |
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1753 |
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+11 |
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2282 |
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in |
1904 |
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1194 |
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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 25, 2018 |
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| Climate Weather for December 25 |
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| Weather History For December 25 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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