| Portsmouth Rhode Island
Weather Almanac |
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| Thursday, April 29, 2021 |
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| Cloudy, Light Rain and Fog, Light Winds 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
29, 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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56 |
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61 |
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60 |
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-4 |
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82 |
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in |
1903 |
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43 |
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in |
1898 |
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| Minimum
Temperature |
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48 |
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35 |
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43 |
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+5 |
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52 |
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in |
2017 |
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30 |
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in |
1992 |
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| Average Temperature |
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52 |
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48 |
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52 |
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+0 |
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65 |
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in |
1903 |
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40 |
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in |
1909 |
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| Month Avg Max Temperature |
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56.8 |
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52.2 |
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55.0 |
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+1.8 |
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61.0 |
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in |
1976 |
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48.4 |
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in |
1907 |
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| Month Avg
Min Temperature |
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39.6 |
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37.3 |
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39.2 |
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+0.4 |
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43.0 |
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in |
2010 |
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33.8 |
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in |
1943 |
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| Month Average
Temperature |
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48.4 |
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45.0 |
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47.4 |
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+1.0 |
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51.7 |
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in |
2010 |
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41.9 |
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in |
1907 |
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| HDD |
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13 |
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17 |
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13 |
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+0 |
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25 |
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in |
1909 |
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0 |
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in |
1903 |
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| Month HDD |
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480 |
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579 |
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510 |
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-30 |
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671 |
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in |
1907 |
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386 |
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in |
2010 |
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| Season HDD |
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4800 |
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4804 |
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5160 |
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-360 |
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6242 |
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in |
1904 |
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4271 |
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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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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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55 |
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44 |
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48 |
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+7 |
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63 |
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in |
2017 |
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27 |
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in |
1967 |
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| Minimum
Dew Point |
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46 |
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34 |
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35 |
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+11 |
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48 |
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in |
2017 |
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10 |
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in |
2012 |
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| Average Dew Point |
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51 |
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39 |
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41 |
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+10 |
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56 |
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in |
2017 |
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22 |
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in |
1977 |
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| Month Avg Max Dew Point |
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43.0 |
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41.4 |
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42.8 |
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+0.3 |
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47.6 |
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in |
2017 |
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34.2 |
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in |
1965 |
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| Month Avg
Min Dew Point |
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30.4 |
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29.0 |
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29.6 |
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+0.9 |
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37.3 |
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in |
2017 |
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20.3 |
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in |
1982 |
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| Month Average Dew Point |
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36.7 |
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35.2 |
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36.1 |
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+0.6 |
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42.4 |
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in |
2017 |
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28.7 |
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in |
1975 |
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| Precipitation |
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.02 |
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.00 |
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.14 |
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-.12 |
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2.19 |
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in |
1980 |
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| One Hour |
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.01 |
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.00 |
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.94 |
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in |
1980 |
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| Hourly Rate |
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.00 |
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.00 |
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1.35 |
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in |
2008 |
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| Month Precipitation |
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3.27 |
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5.10 |
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4.13 |
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-.86 |
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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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11.69 |
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15.86 |
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15.59 |
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-3.90 |
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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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1.3 |
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in |
1909 |
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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
29, 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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98% |
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95% |
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87% |
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+11% |
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100% |
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in |
2011 |
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50% |
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in |
1977 |
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| Minimum
Humidity |
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86% |
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42% |
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49% |
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+37% |
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91% |
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in |
1956 |
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16% |
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in |
2012 |
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| Average Humidity |
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92% |
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69% |
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68% |
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+24% |
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95% |
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in |
1958 |
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38% |
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in |
1977 |
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| Maximum Barometer |
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29.80 |
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30.36 |
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30.07 |
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-00.27 |
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30.51 |
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in |
2001 |
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29.71 |
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in |
1987 |
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| Minimum
Barometer |
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29.39 |
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30.19 |
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29.83 |
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-00.44 |
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30.38 |
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in |
2001 |
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29.25 |
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in |
1987 |
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| Average Barometer |
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29.60 |
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30.28 |
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29.95 |
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-00.36 |
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30.45 |
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in |
2001 |
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29.48 |
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in |
1987 |
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| Average Wind |
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4.0 |
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6.8 |
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7.0 |
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-3.0 |
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13.4 |
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in |
1958 |
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2.3 |
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in |
2007 |
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| Wind Direction |
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SSE |
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SE |
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N |
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E |
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SSE |
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| High Wind Gust |
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27 |
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21 |
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24 |
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+3 |
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42 |
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in |
2010 |
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12 |
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in |
2007 |
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| Gust Direction |
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SW |
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SE |
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SW |
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WNW |
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ESE |
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| High Heat Index |
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| Wind Chill |
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48 |
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35 |
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37 |
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+11 |
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23 |
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in |
1992 |
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| Maximum Water Temp |
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48.7 |
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43.5 |
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50.2 |
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-1.5 |
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55.6 |
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in |
2007 |
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43.5 |
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in |
2020 |
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| Minimum
Water Temp |
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46.6 |
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40.5 |
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47.1 |
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-0.5 |
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52.5 |
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in |
2012 |
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#N/A |
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in |
2020 |
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| Average Water Temp |
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47.7 |
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42.0 |
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48.7 |
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-1.0 |
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53.6 |
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in |
2012 |
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42.0 |
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in |
2020 |
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| Sunrise/ AM Twilight |
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5:42:54 AM |
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5:12:54 AM |
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| Sunset /
PM Twilight |
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7:41:57 PM |
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8:11:57 PM |
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| Length Of Day |
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13:57:13 |
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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 29, 2021 |
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| Climate Weather for April 29 |
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| Weather History For April 29 |
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| Weather Calendar |
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