| Portsmouth Rhode Island
Weather Almanac |
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| Thursday, December 27, 2018 |
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| Mostly Cloudy early, Clear Day to Partly Cloudy PM, Continued
Dry, 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 27, 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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39 |
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23 |
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39 |
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+0 |
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59 |
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in |
2015 |
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12 |
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in |
1925 |
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| Minimum
Temperature |
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31 |
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14 |
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25 |
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+6 |
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45 |
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in |
2015 |
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2 |
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in |
1914 |
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| Average Temperature |
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35 |
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19 |
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32 |
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+3 |
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52 |
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in |
2015 |
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9 |
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in |
1925 |
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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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2.52 |
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in |
1894 |
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| One Hour |
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.00 |
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.00 |
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.26 |
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in |
1973 |
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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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5.7 |
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in |
1944 |
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| Snow
Depth |
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0 |
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0 |
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13 |
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in |
1947 |
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| HDD |
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30 |
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46 |
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33 |
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-3 |
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56 |
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in |
1925 |
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13 |
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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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20 |
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7 |
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31 |
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-11 |
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57 |
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in |
2015 |
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-8 |
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in |
1993 |
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| Minimum
Dew Point |
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12 |
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-1 |
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15 |
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-3 |
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42 |
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in |
2015 |
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-17 |
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in |
1968 |
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| Average Dew Point |
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16 |
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3 |
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23 |
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-7 |
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50 |
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in |
2015 |
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-11 |
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in |
1993 |
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| Maximum Humidity |
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83% |
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60% |
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82% |
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+1% |
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100% |
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in |
2015 |
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49% |
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in |
1993 |
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| Minimum
Humidity |
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35% |
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36% |
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53% |
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-18% |
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93% |
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in |
1973 |
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20% |
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in |
1960 |
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| Average Humidity |
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59% |
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48% |
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67% |
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-8% |
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96% |
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in |
1973 |
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39% |
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in |
1993 |
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| Maximum Barometer |
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30.64 |
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30.49 |
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30.18 |
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+00.46 |
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30.92 |
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in |
1990 |
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29.20 |
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in |
1969 |
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| Minimum
Barometer |
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30.44 |
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30.39 |
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29.83 |
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+00.61 |
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30.56 |
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in |
1990 |
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28.71 |
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in |
2010 |
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| Average Barometer |
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30.54 |
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30.44 |
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30.01 |
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+00.53 |
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30.74 |
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in |
1990 |
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28.97 |
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in |
1969 |
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| Average Wind |
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7.6 |
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8.8 |
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8.1 |
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-0.5 |
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23.4 |
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in |
2010 |
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2.1 |
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in |
1961 |
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| Direction |
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WNW |
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WNW |
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WNW |
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NNW |
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SSW |
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| High Wind Gust |
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21 |
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28 |
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26 |
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-5 |
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55 |
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in |
1934 |
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10 |
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in |
1967 |
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| Direction |
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WNW |
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WNW |
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WNW |
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NW |
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N |
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| High Heat Index |
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| Wind Chill |
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23 |
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1 |
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14 |
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+9 |
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-16 |
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in |
1989 |
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| Maximum Water Temp |
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41.7 |
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40.1 |
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43.9 |
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-2.2 |
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50.5 |
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in |
2015 |
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39.0 |
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in |
2000 |
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| Minimum
Water Temp |
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39.9 |
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37.2 |
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41.7 |
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-1.8 |
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49.7 |
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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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40.8 |
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38.7 |
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42.8 |
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-2.0 |
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50.1 |
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in |
2015 |
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36.8 |
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in |
2000 |
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| Sunrise/ AM Twilight |
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7:10:48 AM |
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6:39:33 AM |
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| Sunset /
PM Twilight |
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4:22:38 PM |
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4:53:53 PM |
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| Length Of Day |
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9:11:50 |
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| Special Conditions |
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None |
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| Comments |
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December 27, 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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42.6 |
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41.3 |
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42.6 |
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+0.0 |
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55.1 |
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in |
2015 |
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30.5 |
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in |
1989 |
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| Avg
Minimum Temperature |
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30.1 |
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29.0 |
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28.7 |
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+1.4 |
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42.7 |
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in |
2015 |
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14.0 |
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in |
1989 |
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| Average Temperature |
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36.3 |
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35.1 |
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35.6 |
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+0.7 |
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48.9 |
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in |
2015 |
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22.3 |
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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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3.83 |
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-1.17 |
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9.28 |
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in |
1936 |
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.56 |
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in |
1955 |
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| Total Snow |
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0.2 |
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6.3 |
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6.4 |
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-6.2 |
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21.7 |
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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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767 |
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799 |
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787 |
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-20 |
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1148 |
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in |
1989 |
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425 |
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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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34.4 |
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33.2 |
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34.5 |
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-0.1 |
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50.1 |
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in |
2015 |
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15.1 |
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in |
1989 |
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| Avg
Minimum Dew Point |
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20.4 |
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19.1 |
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17.7 |
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+2.7 |
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37.6 |
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in |
2015 |
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-1.6 |
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in |
1989 |
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| Average Dew Point |
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27.4 |
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26.2 |
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25.6 |
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+1.8 |
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43.9 |
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in |
2015 |
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6.7 |
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in |
1989 |
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December 27, 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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47.68 |
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+4.21 |
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65.27 |
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in |
1983 |
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27.66 |
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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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7.5 |
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-3.1 |
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22.3 |
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in |
1904 |
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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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1827 |
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1596 |
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1819 |
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+8 |
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2351 |
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in |
1904 |
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1220 |
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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 27, 2018 |
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| Climate Weather for December 27 |
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| Weather History For December 27 |
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| Weather Calendar |
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