| Portsmouth Rhode Island
Weather Almanac |
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| Monday, March 15, 2021 |
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| Partly Cloudy early then Clear, Continued Very Dry, Windy and
Bitter Cold |
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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
15, 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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30 |
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51 |
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45 |
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-15 |
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62 |
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in |
1990 |
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25 |
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in |
1932 |
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| Minimum
Temperature |
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17 |
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32 |
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30 |
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-13 |
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47 |
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in |
1913 |
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10 |
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in |
1993 |
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| Average Temperature |
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24 |
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42 |
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38 |
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-14 |
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54 |
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in |
1913 |
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18 |
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in |
1993 |
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| Month Avg Max Temperature |
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44.7 |
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52.1 |
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43.1 |
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+1.6 |
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52.1 |
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in |
2020 |
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33.0 |
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in |
1916 |
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| Month
Avg Min Temperature |
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26.7 |
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35.4 |
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28.5 |
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-1.8 |
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37.1 |
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in |
1973 |
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19.5 |
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in |
1950 |
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| Month Average
Temperature |
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36.1 |
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43.9 |
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36.1 |
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-0.1 |
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44.6 |
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in |
1973 |
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27.4 |
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in |
1916 |
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| HDD |
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41 |
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23 |
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27 |
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+14 |
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47 |
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in |
1993 |
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11 |
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in |
1913 |
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| Month HDD |
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434 |
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316 |
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433 |
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+1 |
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564 |
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in |
1916 |
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306 |
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in |
1973 |
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| Season HDD |
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4001 |
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3877 |
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4259 |
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-258 |
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5309 |
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in |
1905 |
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3514 |
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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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6 |
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28 |
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34 |
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-28 |
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52 |
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in |
2002 |
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6 |
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in |
2021 |
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| Minimum
Dew Point |
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-6 |
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9 |
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20 |
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-26 |
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42 |
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in |
2016 |
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-10 |
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in |
1993 |
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| Average Dew Point |
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0 |
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19 |
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27 |
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-27 |
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46 |
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in |
2019 |
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-1 |
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in |
1993 |
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| Month Avg Max Dew Point |
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26.8 |
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38.5 |
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33.0 |
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-6.2 |
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40.9 |
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in |
1973 |
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18.9 |
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in |
1960 |
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| Month
Avg Min Dew Point |
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10.3 |
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23.0 |
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17.9 |
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-7.7 |
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29.6 |
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in |
1973 |
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3.7 |
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in |
1980 |
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| Month Average Dew Point |
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18.5 |
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30.8 |
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25.8 |
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-7.3 |
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35.3 |
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in |
1973 |
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13.4 |
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in |
1960 |
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| Precipitation |
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.00 |
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.00 |
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.14 |
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-.14 |
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3.00 |
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in |
1912 |
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| One Hour |
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.00 |
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.00 |
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.39 |
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in |
1978 |
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| Hourly Rate |
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.00 |
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.00 |
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.34 |
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in |
2010 |
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| Month Precipitation |
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.45 |
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.80 |
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2.01 |
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-1.56 |
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5.49 |
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in |
1983 |
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.04 |
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in |
1915 |
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| Year Precipitation |
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5.95 |
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6.61 |
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9.11 |
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-3.16 |
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19.20 |
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in |
1979 |
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4.43 |
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in |
1980 |
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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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8.1 |
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in |
1999 |
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| Snow Depth |
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0 |
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0 |
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12 |
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in |
1939 |
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| Month Snow |
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0.0 |
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0.6 |
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3.2 |
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-3.2 |
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18.9 |
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in |
1941 |
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0.0 |
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in |
2021 |
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| Season Snow |
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27.7 |
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12.8 |
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30.5 |
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-2.8 |
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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
15, 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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51% |
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78% |
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86% |
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-35% |
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100% |
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in |
2002 |
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47% |
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in |
1974 |
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| Minimum
Humidity |
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21% |
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19% |
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51% |
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-30% |
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95% |
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in |
2016 |
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19% |
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in |
2020 |
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| Average Humidity |
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36% |
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49% |
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68% |
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-32% |
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97% |
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in |
2016 |
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36% |
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in |
2021 |
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| Maximum Barometer |
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30.29 |
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30.53 |
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30.06 |
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+00.23 |
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30.73 |
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in |
1968 |
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29.41 |
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in |
1958 |
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| Minimum
Barometer |
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30.06 |
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30.31 |
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29.73 |
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+00.33 |
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30.52 |
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in |
1968 |
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29.18 |
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in |
1958 |
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| Average Barometer |
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30.18 |
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30.42 |
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29.90 |
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+00.27 |
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30.63 |
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in |
1968 |
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29.30 |
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in |
1958 |
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| Average Wind |
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14.3 |
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9.3 |
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9.4 |
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+4.9 |
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17.3 |
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in |
1980 |
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1.8 |
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in |
1995 |
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| Direction |
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NNW |
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N |
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WNW |
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WNW |
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ESE |
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| High Wind Gust |
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37 |
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21 |
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29 |
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+8 |
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48 |
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in |
1980 |
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9 |
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in |
1995 |
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| Direction |
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NW |
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NW |
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WNW |
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W |
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SSW |
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| High Heat Index |
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| Wind Chill |
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3 |
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27 |
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21 |
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-18 |
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-8 |
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in |
1993 |
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| Maximum Water Temp |
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38.5 |
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40.3 |
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40.3 |
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-1.8 |
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46.2 |
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in |
2012 |
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36.4 |
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in |
2015 |
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| Minimum
Water Temp |
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36.9 |
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38.5 |
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38.2 |
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-1.3 |
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45.0 |
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in |
2012 |
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34.2 |
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in |
2003 |
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| Average Water Temp |
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37.7 |
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39.4 |
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39.3 |
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-1.6 |
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45.6 |
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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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6:54:56 AM |
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6:27:26 AM |
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| Sunset /
PM Twilight |
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6:52:45 PM |
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7:20:15 PM |
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| Length Of Day |
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11:57:49 |
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| Special Conditions |
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None |
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| Comments |
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14 consecutive days without rain |
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| Hour-by-Hour Weather For March 15, 2021 |
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| Climate Weather for March 15 |
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| Weather History For March 15 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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