| Portsmouth Rhode Island
Weather Almanac |
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| Sunday, April 4, 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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April
4, 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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57 |
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51 |
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51 |
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+6 |
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65 |
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in |
1974 |
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32 |
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in |
2016 |
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| Minimum
Temperature |
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30 |
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35 |
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36 |
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-6 |
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48 |
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in |
1974 |
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14 |
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in |
1954 |
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| Average Temperature |
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44 |
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43 |
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44 |
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+0 |
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57 |
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in |
1974 |
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26 |
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in |
1954 |
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| Month Avg Max Temperature |
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49.5 |
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48.3 |
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50.8 |
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-1.3 |
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61.5 |
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in |
1986 |
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38.0 |
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in |
1911 |
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| Month Avg
Min Temperature |
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30.3 |
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36.5 |
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35.8 |
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-5.5 |
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42.8 |
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in |
2000 |
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23.0 |
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in |
1954 |
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| Month Average
Temperature |
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40.3 |
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42.8 |
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43.8 |
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-3.5 |
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51.8 |
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in |
1945 |
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33.5 |
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in |
1954 |
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| HDD |
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21 |
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22 |
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21 |
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+0 |
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39 |
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in |
1954 |
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8 |
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in |
1974 |
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| Month HDD |
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99 |
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89 |
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85 |
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+14 |
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126 |
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in |
1954 |
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53 |
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in |
1945 |
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| Season HDD |
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4419 |
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4314 |
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4735 |
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-316 |
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5758 |
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in |
1918 |
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3934 |
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in |
2012 |
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| CDD |
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0 |
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0 |
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0 |
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+0 |
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0 |
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in |
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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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41 |
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39 |
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-7 |
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60 |
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in |
1974 |
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11 |
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in |
1965 |
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| Minimum
Dew Point |
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16 |
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32 |
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26 |
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-10 |
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48 |
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in |
1974 |
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-1 |
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in |
1954 |
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| Average Dew Point |
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24 |
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37 |
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32 |
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-8 |
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54 |
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in |
1974 |
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5 |
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in |
1954 |
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| Month Avg Max Dew Point |
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34.5 |
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39.8 |
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38.8 |
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-4.3 |
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51.0 |
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in |
2010 |
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14.5 |
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in |
1965 |
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| Month Avg
Min Dew Point |
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16.0 |
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32.5 |
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25.3 |
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-9.3 |
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39.3 |
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in |
2010 |
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5.3 |
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in |
1965 |
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| Month Average Dew Point |
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25.3 |
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36.1 |
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32.0 |
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-6.8 |
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45.1 |
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in |
2010 |
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9.9 |
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in |
1965 |
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| Precipitation |
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.00 |
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.01 |
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.15 |
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-.15 |
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1.66 |
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in |
2017 |
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| One Hour |
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.00 |
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.01 |
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.39 |
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in |
2007 |
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| Hourly Rate |
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.00 |
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.00 |
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1.54 |
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in |
2007 |
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| Month Precipitation |
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.77 |
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.48 |
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.60 |
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+.17 |
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2.99 |
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in |
1973 |
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.00 |
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in |
2010 |
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| Year Precipitation |
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9.19 |
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11.24 |
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12.06 |
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-2.87 |
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21.34 |
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in |
1998 |
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6.44 |
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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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4.2 |
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in |
2016 |
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| Snow Depth |
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0 |
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0 |
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5 |
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in |
1915 |
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| Month Snow |
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0.0 |
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0.0 |
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0.4 |
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-0.4 |
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7.9 |
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in |
1915 |
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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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33.4 |
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-5.7 |
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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
4, 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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73% |
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94% |
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86% |
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-13% |
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100% |
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in |
2018 |
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39% |
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in |
1996 |
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| Minimum
Humidity |
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23% |
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64% |
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49% |
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-26% |
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95% |
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in |
1988 |
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16% |
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in |
1996 |
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| Average Humidity |
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48% |
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79% |
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68% |
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-20% |
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98% |
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in |
1988 |
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28% |
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in |
1996 |
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| Maximum Barometer |
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30.19 |
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30.05 |
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30.02 |
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+00.17 |
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30.62 |
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in |
1991 |
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29.29 |
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in |
1975 |
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| Minimum
Barometer |
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29.87 |
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29.82 |
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29.70 |
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+00.17 |
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30.34 |
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in |
1962 |
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28.83 |
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in |
1975 |
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| Average Barometer |
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30.03 |
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29.94 |
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29.86 |
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+00.17 |
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30.43 |
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in |
1962 |
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29.06 |
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in |
1975 |
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| Average Wind |
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6.1 |
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11.1 |
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8.9 |
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-2.8 |
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19.3 |
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in |
1975 |
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3.1 |
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in |
1966 |
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| Direction |
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NW |
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NNE |
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WNW |
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NW |
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SE |
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| High Wind Gust |
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30 |
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32 |
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28 |
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+2 |
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58 |
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in |
1963 |
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14 |
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in |
2001 |
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| Direction |
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NNW |
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NNE |
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WNW |
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WNW |
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SSE |
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| High Heat Index |
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| Wind Chill |
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29 |
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34 |
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28 |
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+1 |
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-2 |
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in |
1954 |
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| Maximum Water Temp |
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44.2 |
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40.1 |
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43.4 |
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+0.8 |
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50.7 |
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in |
2010 |
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39.9 |
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in |
2003 |
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| Minimum
Water Temp |
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43.0 |
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38.5 |
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41.3 |
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+1.7 |
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47.3 |
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in |
2010 |
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38.2 |
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in |
2003 |
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| Average Water Temp |
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43.6 |
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39.3 |
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42.4 |
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+1.2 |
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49.0 |
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in |
2010 |
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39.1 |
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in |
2003 |
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| Sunrise/ AM Twilight |
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6:20:49 AM |
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5:52:44 AM |
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| Sunset /
PM Twilight |
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7:14:53 PM |
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7:42:57 PM |
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| Length Of Day |
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12:51:59 |
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| Special Conditions |
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None |
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| Comments |
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Easter |
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| Hour-by-Hour Weather For April 4, 2021 |
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| Climate Weather for April 4 |
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| Weather History For April 4 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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