| Portsmouth Rhode Island
Weather Almanac |
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| Thursday, March 21, 2019 |
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| Partly Cloudy early, Cloudy Day to Mostly Cloudy PM, Rain
Late, Windy and Warmer |
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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 - 2019 |
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March 21, 2019 |
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Record |
Record |
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| Observed Daily Data |
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Observed |
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2018 |
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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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48 |
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37 |
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47 |
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+1 |
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71 |
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in |
1921 |
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26 |
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in |
1912 |
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| Minimum
Temperature |
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35 |
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32 |
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31 |
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+4 |
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50 |
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in |
2012 |
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13 |
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in |
1986 |
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| Average Temperature |
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42 |
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35 |
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39 |
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+3 |
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60 |
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in |
2012 |
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23 |
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in |
1986 |
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| Precipitation |
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.06 |
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.13 |
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.17 |
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-.11 |
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1.78 |
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in |
1983 |
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| One Hour |
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.06 |
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.00 |
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.79 |
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in |
1983 |
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| Snow |
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0.0 |
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0.3 |
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0.1 |
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-0.1 |
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5.3 |
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in |
1912 |
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| Snow
Depth |
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0 |
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T |
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15 |
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in |
1956 |
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| HDD |
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23 |
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30 |
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25 |
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-2 |
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42 |
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in |
1986 |
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5 |
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in |
2012 |
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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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40 |
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34 |
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35 |
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+5 |
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58 |
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in |
2012 |
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7 |
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in |
1988 |
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| Minimum
Dew Point |
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31 |
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24 |
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21 |
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+10 |
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50 |
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in |
2012 |
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-11 |
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in |
1988 |
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| Average Dew Point |
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36 |
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29 |
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28 |
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+8 |
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54 |
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in |
2012 |
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-2 |
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in |
1988 |
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| Maximum Humidity |
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92% |
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93% |
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87% |
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+5% |
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100% |
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in |
2012 |
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52% |
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in |
1988 |
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| Minimum
Humidity |
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52% |
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68% |
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53% |
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-1% |
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93% |
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in |
2003 |
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19% |
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in |
1991 |
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| Average Humidity |
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72% |
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81% |
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70% |
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+2% |
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97% |
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in |
2003 |
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37% |
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in |
1985 |
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| Maximum Barometer |
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30.33 |
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29.83 |
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30.05 |
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+00.28 |
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30.80 |
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in |
2007 |
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29.38 |
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in |
1958 |
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| Minimum
Barometer |
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29.78 |
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29.61 |
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29.73 |
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+00.05 |
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30.57 |
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in |
2007 |
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29.03 |
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in |
1958 |
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| Average Barometer |
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30.06 |
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29.72 |
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29.88 |
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+00.17 |
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30.69 |
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in |
2007 |
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29.21 |
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in |
1958 |
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| Average Wind |
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10.4 |
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15.6 |
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8.6 |
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+1.8 |
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18.8 |
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in |
2008 |
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1.8 |
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in |
2005 |
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| Direction |
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SE |
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NNE |
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WNW |
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WNW |
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WNW |
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| High Wind Gust |
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22 |
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36 |
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27 |
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-5 |
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45 |
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in |
1980 |
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11 |
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in |
1952 |
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| Direction |
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SE |
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NNE |
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WNW |
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ESE |
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SSE |
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| High Heat Index |
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| Wind Chill |
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29 |
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21 |
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22 |
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+7 |
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-4 |
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in |
1986 |
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| Maximum Water Temp |
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38.7 |
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38.8 |
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40.9 |
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-2.2 |
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49.8 |
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in |
2012 |
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36.0 |
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in |
2015 |
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| Minimum
Water Temp |
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37.8 |
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38.1 |
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38.9 |
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-1.1 |
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47.5 |
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in |
2012 |
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34.7 |
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in |
2015 |
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| Average Water Temp |
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38.3 |
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38.5 |
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39.9 |
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-1.7 |
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48.7 |
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in |
2012 |
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35.4 |
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in |
2015 |
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| Sunrise/ AM Twilight |
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6:45:40 AM |
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6:18:06 AM |
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| Sunset /
PM Twilight |
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6:58:49 PM |
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7:26:23 PM |
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| Length Of Day |
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12:13:09 |
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| Special Conditions |
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Fog |
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| Comments |
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March 21, 2019 |
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Record |
Record |
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| Month-to-Date Summary |
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Observed |
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2018 |
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Normal |
Depart |
Highest |
Lowest |
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| Avg Maximum Temperature |
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41.9 |
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42.0 |
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44.6 |
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-2.8 |
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51.8 |
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in |
2010 |
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31.6 |
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in |
1916 |
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| Avg
Minimum Temperature |
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27.8 |
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30.0 |
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29.1 |
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-1.4 |
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36.7 |
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in |
1973 |
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19.8 |
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in |
1916 |
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| Average Temperature |
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34.8 |
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36.0 |
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36.7 |
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-1.9 |
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44.0 |
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in |
2010 |
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25.7 |
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in |
1916 |
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| Total
Precipitation |
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2.55 |
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5.14 |
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3.48 |
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-.93 |
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8.46 |
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in |
1983 |
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.08 |
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in |
1915 |
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| Total Snow |
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9.6 |
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11.0 |
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4.1 |
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+5.5 |
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27.8 |
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in |
1956 |
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0.0 |
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in |
1947 |
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| Total
HDD |
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627 |
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604 |
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588 |
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+39 |
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821 |
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in |
1916 |
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437 |
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in |
2010 |
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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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0 |
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in |
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| Avg Maximum Dew Point |
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30.7 |
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29.0 |
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32.9 |
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-2.2 |
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41.5 |
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in |
2012 |
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22.0 |
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in |
1960 |
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| Avg
Minimum Dew Point |
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17.4 |
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21.0 |
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18.0 |
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-0.6 |
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29.6 |
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in |
1983 |
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5.7 |
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in |
1950 |
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| Average Dew Point |
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24.0 |
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25.0 |
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25.4 |
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-1.4 |
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35.1 |
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in |
2012 |
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15.8 |
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in |
1950 |
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March 21, 2019 |
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Record |
Record |
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| Year-to-Date Summary |
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Observed |
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2018 |
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Normal |
Depart |
Highest |
Lowest |
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| Total Precipitation |
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11.66 |
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16.11 |
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10.68 |
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+.98 |
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19.23 |
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in |
1979 |
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5.75 |
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in |
2012 |
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| Total
Snow (since Jul 1 18) |
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20.9 |
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41.4 |
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29.8 |
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-8.9 |
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75.0 |
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in |
2005 |
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4.8 |
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in |
1998 |
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| Total HDD (since Jul 1
18) |
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4515 |
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4249 |
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4539 |
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-24 |
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5468 |
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in |
1905 |
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3649 |
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in |
2016 |
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| Total
CDD (since Jan 1) |
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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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| Hour-by-Hour Weather For March 21, 2019 |
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| Climate Weather for March 21 |
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| Weather History For March 21 |
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| Weather Calendar |
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