| Portsmouth Rhode Island
Weather Almanac |
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| Monday, April 12, 2021 |
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| Cloudy to Mostly Cloudy PM, Seasonal Temperatures |
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| Climate Normal
Period |
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Climate Record Period |
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| 1991- 2020 |
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1893 - 2021 |
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April
12, 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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56 |
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54 |
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-3 |
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77 |
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in |
1977 |
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34 |
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in |
1918 |
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| Minimum
Temperature |
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40 |
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34 |
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38 |
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+2 |
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50 |
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in |
1945 |
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22 |
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in |
1976 |
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| Average Temperature |
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46 |
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45 |
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46 |
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+0 |
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62 |
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in |
1945 |
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32 |
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in |
1976 |
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| Month Avg Max Temperature |
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56.1 |
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52.8 |
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52.2 |
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+3.9 |
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62.8 |
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in |
2010 |
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42.8 |
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in |
2003 |
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| Month Avg
Min Temperature |
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37.7 |
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37.9 |
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36.9 |
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+0.8 |
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44.1 |
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in |
2010 |
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28.3 |
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in |
1982 |
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| Month Average
Temperature |
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47.2 |
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45.6 |
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44.8 |
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+2.3 |
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53.7 |
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in |
2010 |
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37.6 |
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in |
1982 |
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| HDD |
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19 |
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20 |
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19 |
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+0 |
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33 |
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in |
1976 |
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3 |
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in |
1945 |
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| Month HDD |
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214 |
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233 |
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242 |
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-28 |
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329 |
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in |
1982 |
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136 |
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in |
2010 |
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| Season HDD |
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4534 |
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4458 |
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4892 |
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-358 |
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5954 |
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in |
1918 |
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4070 |
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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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44 |
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48 |
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42 |
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+2 |
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55 |
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in |
1987 |
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13 |
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in |
1976 |
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| Minimum
Dew Point |
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37 |
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25 |
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28 |
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+9 |
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47 |
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in |
2008 |
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2 |
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in |
1976 |
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| Average Dew Point |
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41 |
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37 |
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35 |
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+6 |
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51 |
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in |
2008 |
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8 |
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in |
1976 |
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| Month Avg Max Dew Point |
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41.9 |
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41.1 |
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40.0 |
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+1.9 |
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49.8 |
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in |
2010 |
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27.8 |
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in |
1965 |
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| Month Avg
Min Dew Point |
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26.3 |
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29.5 |
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26.5 |
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-0.3 |
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37.6 |
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in |
2010 |
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12.2 |
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in |
1982 |
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| Month Average Dew Point |
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34.1 |
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35.3 |
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33.3 |
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+0.8 |
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43.7 |
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in |
2010 |
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20.5 |
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in |
1982 |
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| Precipitation |
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T |
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.00 |
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.14 |
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.00 |
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1.91 |
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in |
1913 |
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| One Hour |
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T |
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.00 |
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.42 |
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in |
2007 |
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| Hourly Rate |
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.00 |
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.00 |
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1.96 |
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in |
2007 |
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| Month Precipitation |
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.85 |
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1.45 |
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1.75 |
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-.90 |
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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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13.21 |
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-3.94 |
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24.99 |
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in |
1983 |
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6.57 |
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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 |
1918 |
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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 |
1958 |
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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
12, 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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90% |
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89% |
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85% |
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+5% |
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100% |
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in |
2003 |
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50% |
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in |
1975 |
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| Minimum
Humidity |
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72% |
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35% |
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43% |
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+29% |
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86% |
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in |
2008 |
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19% |
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in |
1985 |
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| Average Humidity |
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81% |
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62% |
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64% |
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+17% |
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92% |
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in |
2008 |
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37% |
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in |
1963 |
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| Maximum Barometer |
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29.94 |
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30.26 |
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30.14 |
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-00.20 |
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30.68 |
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in |
1909 |
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29.65 |
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in |
1963 |
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| Minimum
Barometer |
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29.71 |
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30.05 |
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29.85 |
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-00.14 |
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30.36 |
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in |
2002 |
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29.04 |
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in |
1932 |
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| Average Barometer |
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29.83 |
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30.16 |
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29.99 |
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-00.17 |
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30.51 |
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in |
2002 |
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29.47 |
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in |
1965 |
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| Average Wind |
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7.5 |
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8.3 |
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7.4 |
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+0.1 |
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15.4 |
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in |
1960 |
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2.7 |
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in |
1994 |
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| Direction |
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NE |
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S |
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NW |
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SSW |
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SSW |
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| High Wind Gust |
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28 |
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24 |
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25 |
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+3 |
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40 |
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in |
1960 |
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13 |
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in |
1971 |
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| Direction |
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ENE |
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S |
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NNW |
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WSW |
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S |
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| High Heat Index |
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| Wind Chill |
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37 |
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34 |
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31 |
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+6 |
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7 |
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in |
1976 |
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| Maximum Water Temp |
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46.7 |
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42.4 |
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45.5 |
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+1.2 |
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53.3 |
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in |
2010 |
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39.4 |
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in |
2003 |
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| Minimum
Water Temp |
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45.4 |
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39.9 |
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42.7 |
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+2.7 |
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47.6 |
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in |
2012 |
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38.4 |
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in |
2003 |
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| Average Water Temp |
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46.1 |
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41.2 |
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44.2 |
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+1.9 |
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49.0 |
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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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6:07:50 AM |
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5:39:16 AM |
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| Sunset /
PM Twilight |
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7:23:32 PM |
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7:52:06 PM |
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| Length Of Day |
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13:13:41 |
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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 12, 2021 |
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| Climate Weather for April 12 |
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| Weather History For April 12 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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