| Portsmouth Rhode Island
Weather Almanac |
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| Thursday, April 1, 2021 |
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| Cloudy, Heavy Rain & Fog early, Clearing Late, Windy and
Cooler |
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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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April
1, 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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55 |
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44 |
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50 |
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+5 |
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70 |
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in |
1945 |
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32 |
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in |
1923 |
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| Minimum
Temperature |
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34 |
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31 |
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35 |
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-1 |
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51 |
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in |
2016 |
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12 |
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in |
1923 |
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| Average Temperature |
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45 |
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38 |
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43 |
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+2 |
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56 |
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in |
1945 |
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22 |
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in |
1923 |
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| Month Avg Max Temperature |
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55.0 |
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44.0 |
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50.0 |
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+5.0 |
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70.0 |
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in |
1945 |
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32.0 |
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in |
1923 |
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| Month Avg
Min Temperature |
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34.0 |
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31.0 |
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35.0 |
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-1.0 |
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51.0 |
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in |
2016 |
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12.0 |
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in |
1923 |
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| Month Average
Temperature |
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45.0 |
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38.0 |
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43.0 |
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+2.0 |
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56.0 |
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in |
1945 |
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22.0 |
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in |
1923 |
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| HDD |
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20 |
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27 |
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22 |
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-2 |
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43 |
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in |
1923 |
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9 |
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in |
1945 |
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| Month HDD |
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20 |
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27 |
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22 |
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-2 |
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43 |
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in |
1923 |
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9 |
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in |
1945 |
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| Season HDD |
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4340 |
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4252 |
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4672 |
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-332 |
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5705 |
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in |
1918 |
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3870 |
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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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55 |
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34 |
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38 |
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+17 |
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55 |
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in |
2021 |
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11 |
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in |
1964 |
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| Minimum
Dew Point |
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24 |
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27 |
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25 |
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-1 |
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50 |
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in |
2016 |
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4 |
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in |
1969 |
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| Average Dew Point |
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40 |
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31 |
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32 |
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+8 |
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52 |
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in |
2016 |
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8 |
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in |
1964 |
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| Month Avg Max Dew Point |
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55.0 |
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34.0 |
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38.0 |
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+17.0 |
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55.0 |
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in |
2021 |
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11.0 |
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in |
1964 |
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| Month Avg
Min Dew Point |
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24.0 |
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27.0 |
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25.0 |
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-1.0 |
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50.0 |
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in |
2016 |
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4.0 |
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in |
1969 |
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| Month Average Dew Point |
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40.0 |
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31.0 |
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32.0 |
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+8.0 |
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52.0 |
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in |
2016 |
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8.0 |
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in |
1964 |
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| Precipitation |
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.77 |
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.00 |
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.15 |
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+.62 |
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1.97 |
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in |
2004 |
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| One Hour |
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.20 |
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.00 |
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.55 |
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in |
2002 |
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| Hourly Rate |
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2.36 |
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.00 |
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2.36 |
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in |
2021 |
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| Month Precipitation |
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.77 |
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.00 |
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.15 |
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+.62 |
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1.97 |
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in |
2004 |
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.00 |
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in |
2020 |
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| Year Precipitation |
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9.19 |
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10.76 |
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11.61 |
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-2.42 |
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20.75 |
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in |
1998 |
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6.31 |
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in |
2012 |
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| Snow |
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0.0 |
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0.0 |
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0.1 |
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-0.1 |
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5.5 |
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in |
1997 |
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| Snow Depth |
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0 |
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0 |
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9 |
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in |
1970 |
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| Month Snow |
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0.0 |
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0.0 |
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0.1 |
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-0.1 |
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5.5 |
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in |
1997 |
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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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12.9 |
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33.1 |
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-5.4 |
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78.0 |
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in |
2005 |
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5.0 |
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in |
1998 |
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April
1, 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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99% |
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90% |
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87% |
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+12% |
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100% |
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in |
2016 |
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47% |
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in |
1965 |
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| Minimum
Humidity |
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59% |
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63% |
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51% |
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+8% |
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95% |
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in |
2016 |
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18% |
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in |
1977 |
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| Average Humidity |
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79% |
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77% |
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69% |
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+10% |
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98% |
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in |
2016 |
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35% |
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in |
1965 |
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| Maximum Barometer |
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29.92 |
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29.97 |
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30.05 |
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-00.13 |
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30.52 |
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in |
1946 |
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29.42 |
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in |
1966 |
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| Minimum
Barometer |
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29.55 |
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29.66 |
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29.75 |
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-00.20 |
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30.22 |
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in |
1963 |
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29.04 |
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in |
1961 |
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| Average Barometer |
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29.74 |
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29.82 |
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29.90 |
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-00.16 |
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30.35 |
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in |
1963 |
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29.32 |
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in |
1966 |
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| Average Wind |
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11.8 |
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11.9 |
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8.1 |
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+3.7 |
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15.4 |
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in |
1962 |
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2.0 |
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in |
1994 |
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| Direction |
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NNW |
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N |
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WNW |
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SSW |
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S |
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| High Wind Gust |
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36 |
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28 |
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26 |
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+10 |
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50 |
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in |
1982 |
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13 |
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in |
1953 |
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| Direction |
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SW |
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NNE |
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SW |
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NW |
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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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25 |
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28 |
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-3 |
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9 |
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in |
1969 |
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| Maximum Water Temp |
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43.9 |
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39.2 |
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43.1 |
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+0.8 |
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48.2 |
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in |
2000 |
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39.1 |
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in |
2017 |
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| Minimum
Water Temp |
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42.3 |
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38.4 |
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40.8 |
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+1.5 |
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45.6 |
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in |
2016 |
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37.0 |
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in |
2015 |
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| Average Water Temp |
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43.1 |
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38.8 |
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42.0 |
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+1.1 |
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46.5 |
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in |
2012 |
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38.2 |
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in |
2015 |
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| Sunrise/ AM Twilight |
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6:25:48 AM |
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5:57:52 AM |
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| Sunset /
PM Twilight |
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7:11:38 PM |
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7:39:34 PM |
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| Length Of Day |
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12:43:44 |
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| Special Conditions |
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Fog |
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| Comments |
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| Hour-by-Hour Weather For April 1, 2021 |
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| Climate Weather for April 1 |
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| Weather History For April 1 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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