| Portsmouth Rhode Island
Weather Almanac |
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| Thursday, April 15, 2021 |
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| Cloudy, Moderate/Heavy PM Rain and Fog, 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
15, 2021 |
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Record |
Record |
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| Observed Daily Data |
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2021 |
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2020 |
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Norm |
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Depart |
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Highest |
Lowest |
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| Maximum Temperature |
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51 |
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53 |
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55 |
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-4 |
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75 |
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in |
1941 |
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40 |
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in |
2018 |
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| Minimum
Temperature |
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40 |
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35 |
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39 |
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+1 |
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50 |
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in |
2012 |
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28 |
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in |
1957 |
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| Average Temperature |
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46 |
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44 |
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47 |
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-1 |
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61 |
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in |
1941 |
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35 |
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in |
1943 |
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| Month Avg Max Temperature |
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55.9 |
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53.5 |
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52.7 |
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+3.2 |
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62.9 |
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in |
1945 |
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44.9 |
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in |
2003 |
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| Month Avg
Min Temperature |
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38.3 |
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39.1 |
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37.3 |
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+0.9 |
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43.4 |
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in |
2010 |
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29.5 |
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in |
1982 |
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| Month Average
Temperature |
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47.3 |
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46.5 |
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45.3 |
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+2.1 |
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53.2 |
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in |
2010 |
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38.7 |
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in |
1907 |
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| HDD |
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19 |
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21 |
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18 |
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+1 |
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30 |
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in |
1943 |
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4 |
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in |
1941 |
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| Month HDD |
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265 |
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278 |
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296 |
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-31 |
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394 |
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in |
1907 |
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177 |
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in |
2010 |
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| Season HDD |
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4585 |
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4503 |
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4946 |
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-361 |
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6014 |
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in |
1918 |
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4106 |
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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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42 |
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39 |
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43 |
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-1 |
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60 |
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in |
2019 |
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16 |
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in |
1971 |
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| Minimum
Dew Point |
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34 |
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20 |
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29 |
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+5 |
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48 |
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in |
2002 |
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4 |
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in |
2005 |
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| Average Dew Point |
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38 |
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30 |
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36 |
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+2 |
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53 |
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in |
2002 |
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13 |
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in |
1971 |
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| Month Avg Max Dew Point |
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42.1 |
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42.5 |
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40.5 |
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+1.7 |
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47.7 |
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in |
2010 |
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30.3 |
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in |
1965 |
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| Month Avg
Min Dew Point |
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28.3 |
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30.2 |
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27.0 |
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+1.3 |
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35.7 |
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in |
2010 |
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14.0 |
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in |
1982 |
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| Month Average Dew Point |
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35.2 |
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36.4 |
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33.7 |
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+1.5 |
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41.7 |
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in |
2010 |
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22.4 |
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in |
1982 |
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| Precipitation |
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.71 |
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.13 |
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.14 |
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+.57 |
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3.29 |
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in |
1964 |
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| One Hour |
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.18 |
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.04 |
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.49 |
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in |
1964 |
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| Hourly Rate |
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.36 |
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.13 |
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5.54 |
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in |
2014 |
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| Month Precipitation |
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1.56 |
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2.93 |
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2.17 |
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-.61 |
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6.74 |
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in |
1964 |
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.03 |
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in |
1963 |
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| Year Precipitation |
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9.98 |
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13.69 |
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13.63 |
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-3.65 |
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24.99 |
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in |
1983 |
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6.69 |
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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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0.0 |
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+0.0 |
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T |
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in |
2007 |
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| Snow Depth |
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0 |
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0 |
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3 |
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in |
1950 |
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| Month Snow |
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0.0 |
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0.0 |
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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 |
2021 |
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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
15, 2021 |
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|
Record |
Record |
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| Observed Daily Data |
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2021 |
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2020 |
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Norm |
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Depart |
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Highest |
Lowest |
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| Maximum Humidity |
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96% |
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90% |
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85% |
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+11% |
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100% |
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in |
2019 |
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47% |
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in |
1976 |
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| Minimum
Humidity |
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56% |
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32% |
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46% |
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+10% |
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95% |
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in |
1984 |
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14% |
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in |
1959 |
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| Average Humidity |
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76% |
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61% |
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65% |
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+11% |
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98% |
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in |
1984 |
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35% |
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in |
1976 |
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| Maximum Barometer |
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29.93 |
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29.97 |
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30.08 |
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-00.15 |
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30.55 |
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in |
2005 |
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29.62 |
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in |
2019 |
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| Minimum
Barometer |
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29.67 |
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29.81 |
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29.82 |
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-00.15 |
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30.34 |
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in |
2016 |
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29.18 |
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in |
1980 |
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| Average Barometer |
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29.80 |
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29.89 |
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29.95 |
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-00.15 |
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30.43 |
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in |
2005 |
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29.43 |
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in |
1974 |
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| Average Wind |
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5.5 |
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6.4 |
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7.8 |
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-2.3 |
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15.3 |
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in |
1981 |
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2.9 |
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in |
1994 |
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| Wind Direction |
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SE |
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WNW |
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SSE |
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NW |
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SSE |
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| High Wind Gust |
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19 |
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26 |
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26 |
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-7 |
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53 |
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in |
2007 |
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14 |
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in |
1972 |
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| Gust Direction |
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SE |
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NW |
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SSE |
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ESE |
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SSE |
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| High Heat Index |
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| Wind Chill |
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36 |
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35 |
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32 |
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+4 |
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17 |
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in |
1957 |
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| Maximum Water Temp |
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47.8 |
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43.2 |
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46.8 |
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+1.0 |
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52.6 |
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in |
2012 |
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43.2 |
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in |
2020 |
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| Minimum
Water Temp |
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45.9 |
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41.9 |
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43.9 |
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+2.0 |
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49.8 |
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in |
2012 |
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40.3 |
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in |
2018 |
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| Average Water Temp |
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46.9 |
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42.6 |
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45.4 |
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+1.5 |
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51.2 |
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in |
2012 |
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41.8 |
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in |
2018 |
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| Sunrise/ AM Twilight |
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6:03:08 AM |
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5:34:21 AM |
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| Sunset /
PM Twilight |
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7:26:48 PM |
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7:55:34 PM |
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| Length Of Day |
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13:21:39 |
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| Special Conditions |
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Fog, Haze |
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| Comments |
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| Hour-by-Hour Weather For April 15, 2021 |
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| Climate Weather for April 15 |
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| Weather History For April 15 |
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| Weather Calendar |
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