| Portsmouth Rhode Island
Weather Almanac |
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| Sunday, April 11, 2021 |
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| Dense Fog early then Cloudy, Light Rain Late 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
11, 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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54 |
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53 |
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54 |
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+0 |
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77 |
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in |
1955 |
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36 |
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in |
1918 |
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| Minimum
Temperature |
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43 |
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37 |
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38 |
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+5 |
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48 |
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in |
1919 |
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24 |
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in |
1909 |
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| Average Temperature |
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49 |
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45 |
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46 |
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+3 |
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62 |
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in |
1955 |
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34 |
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in |
1918 |
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| Month Avg Max Temperature |
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56.5 |
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52.5 |
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52.0 |
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+4.5 |
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62.8 |
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in |
2010 |
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41.5 |
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in |
2003 |
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| Month Avg
Min Temperature |
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37.5 |
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38.3 |
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36.8 |
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+0.6 |
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44.4 |
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in |
2010 |
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27.9 |
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in |
1982 |
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| Month Average
Temperature |
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47.3 |
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45.6 |
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44.7 |
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+2.5 |
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53.8 |
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in |
2010 |
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36.8 |
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in |
2003 |
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| HDD |
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16 |
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20 |
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19 |
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-3 |
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31 |
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in |
1918 |
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3 |
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in |
1955 |
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| Month HDD |
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195 |
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213 |
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223 |
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-28 |
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310 |
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in |
2003 |
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123 |
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in |
2010 |
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| Season HDD |
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4515 |
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4438 |
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4873 |
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-358 |
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5922 |
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in |
1918 |
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4053 |
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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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53 |
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35 |
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41 |
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+12 |
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56 |
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in |
1993 |
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18 |
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in |
1970 |
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| Minimum
Dew Point |
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41 |
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24 |
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28 |
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+13 |
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47 |
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in |
1993 |
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6 |
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in |
1967 |
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| Average Dew Point |
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47 |
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30 |
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35 |
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+12 |
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52 |
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in |
1993 |
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14 |
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in |
1970 |
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| Month Avg Max Dew Point |
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41.7 |
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40.5 |
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39.8 |
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+1.9 |
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50.5 |
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in |
2010 |
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26.3 |
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in |
1965 |
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| Month Avg
Min Dew Point |
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25.3 |
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29.9 |
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26.4 |
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-1.1 |
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38.3 |
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in |
2010 |
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11.2 |
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in |
1982 |
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| Month Average Dew Point |
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33.5 |
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35.2 |
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33.1 |
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+0.4 |
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44.4 |
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in |
2010 |
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19.8 |
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in |
1982 |
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| Precipitation |
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.08 |
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.00 |
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.14 |
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-.06 |
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1.27 |
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in |
2003 |
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| One Hour |
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.05 |
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.00 |
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.34 |
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in |
2003 |
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| Hourly Rate |
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.11 |
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.00 |
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.15 |
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in |
2009 |
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| Month Precipitation |
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.85 |
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1.45 |
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1.61 |
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-.76 |
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5.72 |
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in |
1983 |
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.03 |
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in |
1963 |
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| Year Precipitation |
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9.27 |
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12.21 |
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13.07 |
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-3.80 |
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24.99 |
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in |
1983 |
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6.50 |
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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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3.5 |
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in |
1958 |
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| Snow Depth |
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0 |
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0 |
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7 |
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in |
1996 |
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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
11, 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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100% |
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89% |
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85% |
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+15% |
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100% |
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in |
2021 |
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51% |
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in |
1970 |
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| Minimum
Humidity |
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82% |
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34% |
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45% |
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+37% |
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91% |
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in |
2011 |
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20% |
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in |
1991 |
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| Average Humidity |
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91% |
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62% |
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65% |
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+26% |
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96% |
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in |
2011 |
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39% |
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in |
1967 |
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| Maximum Barometer |
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29.78 |
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30.05 |
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30.08 |
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-00.30 |
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30.69 |
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in |
2002 |
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29.46 |
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in |
1963 |
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| Minimum
Barometer |
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29.70 |
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29.60 |
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29.82 |
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-00.12 |
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30.51 |
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in |
2002 |
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29.14 |
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in |
1983 |
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| Average Barometer |
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29.74 |
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29.83 |
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29.95 |
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-00.21 |
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30.60 |
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in |
2002 |
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29.40 |
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in |
1963 |
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| Average Wind |
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7.3 |
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11.6 |
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8.1 |
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-0.8 |
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14.9 |
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in |
2003 |
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2.5 |
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in |
2004 |
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| Direction |
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ENE |
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W |
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SW |
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NNE |
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NNW |
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| High Wind Gust |
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27 |
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28 |
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26 |
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+1 |
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48 |
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in |
1990 |
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12 |
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in |
2004 |
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| Direction |
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NNE |
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WNW |
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SSW |
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SW |
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NW |
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| High Heat Index |
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| Wind Chill |
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39 |
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30 |
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30 |
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+9 |
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18 |
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in |
1973 |
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| Maximum Water Temp |
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46.5 |
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40.9 |
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45.5 |
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+1.0 |
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52.2 |
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in |
2010 |
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39.5 |
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in |
2003 |
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| Minimum
Water Temp |
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45.2 |
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39.1 |
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42.9 |
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+2.3 |
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49.9 |
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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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45.9 |
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40.0 |
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44.2 |
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+1.7 |
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51.1 |
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in |
2010 |
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38.9 |
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in |
2003 |
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| Sunrise/ AM Twilight |
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6:09:26 AM |
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5:40:56 AM |
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| Sunset /
PM Twilight |
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7:22:27 PM |
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7:50:57 PM |
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| Length Of Day |
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13:11:00 |
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| Special Conditions |
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Dense Fog |
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| Comments |
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| Hour-by-Hour Weather For April 11, 2021 |
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| Climate Weather for April 11 |
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| Weather History For April 11 |
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| Weather Calendar |
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