| Portsmouth Rhode Island
Weather Almanac |
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| Saturday, March 20, 2021 |
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| Clear with Seasonal Temperatures |
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| Climate Normal
Period |
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Climate Record Period |
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| 1991- 2020 |
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1893 - 2021 |
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March
20, 2021 |
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Record |
Record |
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| Observed Daily Data |
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2021 |
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2020 |
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Norm |
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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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59 |
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47 |
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+1 |
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67 |
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in |
2010 |
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29 |
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in |
1923 |
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| Minimum
Temperature |
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28 |
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42 |
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32 |
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-4 |
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44 |
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in |
1921 |
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7 |
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in |
1967 |
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| Average Temperature |
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38 |
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51 |
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39 |
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-1 |
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55 |
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in |
2012 |
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21 |
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in |
1923 |
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| Month Avg Max Temperature |
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44.4 |
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51.6 |
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43.9 |
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+0.5 |
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51.8 |
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in |
1894 |
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31.5 |
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in |
1916 |
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| Month
Avg Min Temperature |
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27.1 |
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35.7 |
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29.2 |
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-2.2 |
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36.9 |
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in |
1973 |
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19.5 |
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in |
1916 |
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| Month Average
Temperature |
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36.0 |
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43.9 |
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36.8 |
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-0.8 |
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44.2 |
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in |
1973 |
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25.7 |
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in |
1916 |
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| HDD |
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27 |
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14 |
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26 |
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+1 |
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44 |
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in |
1923 |
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10 |
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in |
2012 |
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| Month HDD |
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580 |
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423 |
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564 |
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+16 |
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786 |
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in |
1916 |
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417 |
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in |
1973 |
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| Season HDD |
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4147 |
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3984 |
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4390 |
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-243 |
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5437 |
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in |
1905 |
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3622 |
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in |
2016 |
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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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0 |
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in |
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| Month 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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| Year 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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| Maximum Dew Point |
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32 |
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54 |
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35 |
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-3 |
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56 |
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in |
2012 |
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15 |
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in |
1967 |
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| Minimum
Dew Point |
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9 |
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40 |
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21 |
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-12 |
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41 |
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in |
2012 |
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-6 |
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in |
1967 |
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| Average Dew Point |
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21 |
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47 |
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28 |
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-7 |
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49 |
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in |
2012 |
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5 |
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in |
1967 |
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| Month Avg Max Dew Point |
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28.3 |
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39.4 |
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33.5 |
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-5.3 |
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40.7 |
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in |
2012 |
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22.0 |
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in |
1960 |
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| Month
Avg Min Dew Point |
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10.5 |
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23.7 |
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18.6 |
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-8.2 |
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29.6 |
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in |
1983 |
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4.8 |
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in |
1950 |
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| Month Average Dew Point |
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19.4 |
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31.5 |
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26.4 |
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-7.0 |
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34.4 |
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in |
1973 |
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15.2 |
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in |
1950 |
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| Precipitation |
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.00 |
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T |
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.15 |
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-.15 |
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1.24 |
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in |
1954 |
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| One Hour |
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.00 |
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T |
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.32 |
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in |
1996 |
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| Hourly Rate |
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.00 |
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.00 |
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1.42 |
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in |
2008 |
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| Month Precipitation |
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1.88 |
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2.24 |
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2.75 |
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-.87 |
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8.05 |
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in |
1968 |
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.08 |
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in |
1915 |
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| Year Precipitation |
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7.38 |
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8.05 |
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9.85 |
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-2.47 |
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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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| 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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6.2 |
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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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21 |
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in |
1956 |
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| Month Snow |
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T |
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0.7 |
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4.2 |
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-4.2 |
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27.8 |
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in |
1956 |
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0.0 |
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in |
2011 |
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| Season Snow |
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27.7 |
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12.9 |
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31.5 |
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-3.8 |
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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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March
20, 2021 |
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|
Record |
Record |
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| Observed Daily Data |
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2021 |
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2020 |
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Norm |
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Depart |
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Highest |
Lowest |
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| Maximum Humidity |
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79% |
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97% |
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86% |
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-7% |
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100% |
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in |
2014 |
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47% |
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in |
1959 |
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| Minimum
Humidity |
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33% |
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81% |
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47% |
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-14% |
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87% |
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in |
1998 |
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16% |
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in |
1991 |
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| Average Humidity |
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56% |
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89% |
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66% |
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-10% |
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92% |
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in |
1996 |
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35% |
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in |
1959 |
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| Maximum Barometer |
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30.52 |
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30.20 |
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30.11 |
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+00.41 |
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30.68 |
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in |
1993 |
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29.47 |
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in |
1996 |
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| Minimum
Barometer |
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30.40 |
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29.77 |
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29.80 |
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+00.60 |
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30.47 |
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in |
2011 |
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28.73 |
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in |
1975 |
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| Average Barometer |
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30.46 |
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29.99 |
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29.95 |
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+00.51 |
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30.57 |
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in |
1993 |
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29.23 |
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in |
1975 |
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| Average Wind |
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5.3 |
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7.0 |
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7.9 |
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-2.6 |
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23.3 |
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in |
1958 |
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2.1 |
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in |
1981 |
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| Direction |
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NNW |
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S |
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N |
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NE |
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NW |
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| High Wind Gust |
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24 |
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20 |
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26 |
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-2 |
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64 |
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in |
1958 |
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10 |
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in |
2015 |
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| Direction |
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SW |
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SSW |
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S |
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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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25 |
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37 |
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22 |
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+3 |
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-7 |
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in |
1967 |
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| Maximum Water Temp |
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38.7 |
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40.0 |
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40.8 |
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-2.1 |
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49.0 |
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in |
2012 |
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35.2 |
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in |
2015 |
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| Minimum
Water Temp |
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37.4 |
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38.7 |
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38.8 |
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-1.4 |
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46.0 |
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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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38.1 |
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39.4 |
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39.8 |
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-1.8 |
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47.5 |
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in |
2012 |
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34.6 |
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in |
2015 |
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| Sunrise/ AM Twilight |
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6:46:29 AM |
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6:18:56 AM |
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| Sunset /
PM Twilight |
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6:58:17 PM |
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7:25:50 PM |
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| Length Of Day |
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12:11:48 |
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| Special Conditions |
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None |
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| Comments |
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| Hour-by-Hour Weather For March 20, 2021 |
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| Climate Weather for March 20 |
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| Weather History For March 20 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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