| Portsmouth Rhode Island
Weather Almanac |
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| Wednesday, April 28, 2021 |
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| Mostly Cloudy & Light Rain Early, Partly Cloudy Day to
Cloudy PM, Light Winds & Warmer |
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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
28, 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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66 |
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57 |
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59 |
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+7 |
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82 |
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in |
1990 |
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39 |
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in |
1898 |
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| Minimum
Temperature |
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47 |
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37 |
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43 |
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+4 |
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55 |
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in |
1935 |
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32 |
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in |
1992 |
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| Average Temperature |
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57 |
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47 |
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51 |
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+6 |
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67 |
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in |
1935 |
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38 |
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in |
1916 |
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| Month Avg Max Temperature |
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56.8 |
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51.9 |
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54.8 |
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+2.0 |
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61.0 |
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in |
1976 |
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48.0 |
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in |
1907 |
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| Month Avg
Min Temperature |
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39.3 |
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37.4 |
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39.1 |
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+0.2 |
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43.0 |
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in |
2010 |
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33.6 |
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in |
1943 |
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| Month Average
Temperature |
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48.3 |
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44.9 |
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47.3 |
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+1.1 |
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51.6 |
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in |
2010 |
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41.5 |
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in |
1907 |
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| HDD |
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8 |
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18 |
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14 |
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-6 |
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27 |
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in |
1916 |
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0 |
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in |
1990 |
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| Month HDD |
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467 |
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562 |
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497 |
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-30 |
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657 |
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in |
1907 |
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374 |
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in |
2010 |
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| Season HDD |
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4787 |
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4787 |
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5147 |
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-360 |
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6229 |
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in |
1904 |
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4256 |
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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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2 |
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in |
1935 |
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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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13 |
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in |
1976 |
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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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13 |
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in |
1976 |
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0 |
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in |
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| Maximum Dew Point |
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53 |
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41 |
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47 |
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+6 |
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60 |
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in |
2017 |
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26 |
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in |
1967 |
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| Minimum
Dew Point |
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35 |
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34 |
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34 |
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+1 |
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53 |
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in |
2011 |
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5 |
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in |
1993 |
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| Average Dew Point |
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44 |
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38 |
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41 |
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+3 |
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57 |
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in |
2011 |
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19 |
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in |
1993 |
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| Month Avg Max Dew Point |
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42.6 |
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41.4 |
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42.6 |
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+0.0 |
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47.2 |
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in |
2019 |
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34.0 |
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in |
1965 |
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| Month Avg
Min Dew Point |
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29.9 |
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28.8 |
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29.4 |
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+0.5 |
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36.9 |
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in |
2017 |
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20.4 |
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in |
1982 |
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| Month Average Dew Point |
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36.3 |
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35.1 |
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36.0 |
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+0.3 |
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42.0 |
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in |
2017 |
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28.6 |
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in |
1975 |
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| Precipitation |
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.04 |
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.03 |
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.14 |
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-.10 |
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2.93 |
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in |
1904 |
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| One Hour |
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.04 |
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.01 |
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.53 |
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in |
1988 |
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| Hourly Rate |
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.21 |
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.00 |
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.84 |
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in |
2008 |
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| Month Precipitation |
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3.25 |
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5.10 |
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3.99 |
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-.74 |
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11.94 |
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in |
1983 |
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.47 |
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in |
1963 |
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| Year Precipitation |
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11.67 |
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15.86 |
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15.45 |
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-3.78 |
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31.21 |
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in |
1983 |
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7.53 |
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in |
1985 |
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| Snow |
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0.0 |
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0.0 |
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0.0 |
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+0.0 |
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0.0 |
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in |
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| Snow Depth |
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0 |
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0 |
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0 |
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in |
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| Month Snow |
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T |
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T |
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0.5 |
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-0.5 |
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9.6 |
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in |
1996 |
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0.0 |
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in |
2019 |
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| Season Snow |
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27.7 |
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12.9 |
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33.5 |
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-5.8 |
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84.1 |
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in |
1996 |
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5.0 |
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in |
1998 |
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April
28, 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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89% |
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94% |
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89% |
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+0% |
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100% |
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in |
2018 |
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54% |
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in |
1967 |
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| Minimum
Humidity |
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48% |
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48% |
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51% |
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-3% |
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96% |
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in |
2011 |
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18% |
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in |
2001 |
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| Average Humidity |
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69% |
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71% |
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70% |
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-1% |
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98% |
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in |
2011 |
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41% |
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in |
1972 |
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| Maximum Barometer |
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29.97 |
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30.19 |
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30.07 |
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-00.10 |
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30.68 |
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in |
1966 |
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29.60 |
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in |
2010 |
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| Minimum
Barometer |
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29.79 |
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29.95 |
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29.81 |
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-00.02 |
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30.33 |
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in |
1966 |
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29.20 |
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in |
1973 |
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| Average Barometer |
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29.88 |
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30.07 |
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29.94 |
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-00.06 |
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30.51 |
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in |
1966 |
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29.40 |
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in |
1973 |
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| Average Wind |
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4.3 |
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10.3 |
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7.8 |
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-3.5 |
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19.9 |
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in |
1967 |
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1.1 |
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in |
1965 |
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| Wind Direction |
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SSE |
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N |
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N |
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NNE |
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S |
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| High Wind Gust |
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17 |
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25 |
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26 |
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-9 |
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51 |
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in |
1967 |
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13 |
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in |
2007 |
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| Gust Direction |
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N |
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N |
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N |
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NNE |
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SSE |
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| High Heat Index |
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| Wind Chill |
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47 |
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28 |
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36 |
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+11 |
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22 |
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in |
1993 |
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| Maximum Water Temp |
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49.3 |
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41.4 |
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49.6 |
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-0.3 |
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55.6 |
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in |
2007 |
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41.4 |
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in |
2020 |
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| Minimum
Water Temp |
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46.6 |
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39.4 |
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46.9 |
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-0.3 |
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51.1 |
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in |
2012 |
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39.4 |
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in |
2020 |
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| Average Water Temp |
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48.0 |
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40.4 |
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48.3 |
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-0.3 |
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52.6 |
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in |
2012 |
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40.4 |
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in |
2020 |
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| Sunrise/ AM Twilight |
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5:44:14 AM |
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5:14:19 AM |
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| Sunset /
PM Twilight |
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7:40:52 PM |
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8:10:47 PM |
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| Length Of Day |
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13:54:48 |
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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 April 28, 2021 |
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| Climate Weather for April 28 |
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| Weather History For April 28 |
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| Weather Calendar |
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