| Portsmouth Rhode Island
Weather Almanac |
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| Monday, March 18, 2019 |
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| Clear, Cool and Dry |
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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 18, 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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44 |
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36 |
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46 |
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-2 |
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68 |
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in |
2011 |
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20 |
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in |
1967 |
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| Minimum
Temperature |
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25 |
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19 |
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31 |
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-6 |
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44 |
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in |
1936 |
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7 |
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in |
1916 |
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| Average Temperature |
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35 |
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28 |
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38 |
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-3 |
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55 |
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in |
2011 |
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15 |
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in |
1967 |
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| Precipitation |
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.00 |
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.00 |
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.17 |
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-.17 |
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4.26 |
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in |
1968 |
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| One Hour |
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.00 |
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.00 |
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.67 |
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in |
1968 |
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| Snow |
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0.0 |
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0.0 |
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0.2 |
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-0.2 |
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4.5 |
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in |
1949 |
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| Snow
Depth |
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0 |
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T |
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9 |
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in |
1896 |
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| HDD |
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30 |
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37 |
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26 |
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+4 |
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50 |
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in |
1967 |
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10 |
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in |
2011 |
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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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10 |
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35 |
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-15 |
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52 |
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in |
1990 |
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-6 |
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in |
1967 |
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| Minimum
Dew Point |
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10 |
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1 |
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20 |
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-10 |
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38 |
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in |
2012 |
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-14 |
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in |
1967 |
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| Average Dew Point |
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15 |
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6 |
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27 |
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-12 |
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43 |
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in |
1989 |
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-10 |
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in |
1967 |
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| Maximum Humidity |
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65% |
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50% |
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82% |
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-17% |
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100% |
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in |
2012 |
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45% |
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in |
2015 |
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| Minimum
Humidity |
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29% |
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26% |
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45% |
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-16% |
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90% |
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in |
1968 |
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20% |
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in |
1992 |
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| Average Humidity |
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47% |
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38% |
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63% |
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-16% |
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95% |
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in |
1968 |
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33% |
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in |
1992 |
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| Maximum Barometer |
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30.33 |
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29.90 |
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30.11 |
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+00.22 |
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30.66 |
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in |
2000 |
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29.19 |
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in |
1973 |
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| Minimum
Barometer |
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30.21 |
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29.81 |
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29.80 |
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+00.41 |
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30.33 |
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in |
2000 |
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28.91 |
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in |
1973 |
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| Average Barometer |
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30.27 |
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29.86 |
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29.95 |
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+00.32 |
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30.50 |
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in |
2000 |
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29.05 |
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in |
1973 |
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| Average Wind |
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8.0 |
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10.1 |
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8.9 |
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-0.9 |
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19.2 |
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in |
1973 |
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1.5 |
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in |
1996 |
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| Direction |
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WNW |
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NNW |
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WNW |
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W |
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SSE |
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| High Wind Gust |
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25 |
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26 |
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27 |
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-2 |
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48 |
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in |
1928 |
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11 |
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in |
2004 |
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| Direction |
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NW |
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NNW |
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WNW |
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NE |
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SE |
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| High Heat Index |
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| Wind Chill |
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18 |
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6 |
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19 |
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-1 |
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-10 |
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in |
1967 |
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| Maximum Water Temp |
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38.8 |
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38.7 |
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40.4 |
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-1.6 |
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47.1 |
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in |
2012 |
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35.4 |
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in |
2015 |
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| Minimum
Water Temp |
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36.3 |
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37.0 |
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38.4 |
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-2.1 |
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44.9 |
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in |
2012 |
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33.9 |
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in |
2015 |
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| Average Water Temp |
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37.6 |
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37.9 |
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39.4 |
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-1.9 |
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46.0 |
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in |
2012 |
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34.7 |
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in |
2015 |
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| Sunrise/ AM Twilight |
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6:50:45 AM |
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6:23:13 AM |
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| Sunset /
PM Twilight |
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6:55:31 PM |
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7:23:02 PM |
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| Length Of Day |
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12:04:46 |
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| Special Conditions |
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None |
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| Comments |
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March 18, 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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40.9 |
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42.6 |
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44.2 |
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-3.3 |
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51.8 |
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in |
1973 |
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31.8 |
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in |
1916 |
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| Avg
Minimum Temperature |
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27.3 |
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30.3 |
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28.8 |
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-1.5 |
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37.4 |
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in |
1973 |
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19.6 |
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in |
1916 |
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| Average Temperature |
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34.1 |
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36.5 |
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36.3 |
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-2.1 |
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44.6 |
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in |
1973 |
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25.7 |
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in |
1916 |
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| Total
Precipitation |
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2.49 |
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5.01 |
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2.97 |
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-.48 |
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8.03 |
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in |
1968 |
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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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10.7 |
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3.7 |
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+5.9 |
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20.3 |
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in |
1916 |
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0.0 |
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in |
2011 |
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| Total
HDD |
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550 |
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509 |
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511 |
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+39 |
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703 |
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in |
1916 |
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362 |
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in |
1973 |
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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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30.4 |
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29.9 |
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32.5 |
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-2.1 |
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41.6 |
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in |
1973 |
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20.9 |
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in |
1960 |
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| Avg
Minimum Dew Point |
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16.7 |
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22.4 |
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17.6 |
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-0.8 |
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29.7 |
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in |
1973 |
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4.2 |
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in |
1980 |
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| Average Dew Point |
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23.6 |
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26.2 |
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25.0 |
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-1.4 |
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35.6 |
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in |
1973 |
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15.1 |
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in |
1950 |
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March 18, 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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11.60 |
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15.98 |
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10.17 |
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+1.43 |
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19.20 |
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in |
1979 |
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5.30 |
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in |
1901 |
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| Total
Snow (since Jul 1 18) |
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20.9 |
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41.1 |
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29.4 |
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-8.5 |
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75.0 |
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in |
2005 |
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4.7 |
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in |
1998 |
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| Total HDD (since Jul 1
18) |
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4438 |
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4154 |
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4462 |
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-24 |
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5389 |
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in |
1905 |
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3564 |
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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 18, 2019 |
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| Climate Weather for March 18 |
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| Weather History For March 18 |
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| Weather Calendar |
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