| Portsmouth Rhode Island
Weather Almanac |
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| Friday, April 9, 2021 |
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| Dense Fog early, Clear Day to Mostly Cloudy & Fog PM and
Warm |
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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
9, 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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59 |
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51 |
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53 |
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+6 |
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78 |
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in |
1991 |
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37 |
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in |
1997 |
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| Minimum
Temperature |
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41 |
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41 |
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38 |
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+3 |
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50 |
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in |
1991 |
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22 |
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in |
1977 |
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| Average Temperature |
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50 |
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46 |
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46 |
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+4 |
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64 |
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in |
1991 |
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31 |
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in |
1917 |
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| Month Avg Max Temperature |
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56.1 |
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52.7 |
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51.7 |
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+4.4 |
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63.3 |
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in |
2010 |
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40.4 |
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in |
2003 |
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| Month Avg
Min Temperature |
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36.3 |
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38.4 |
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36.6 |
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-0.2 |
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44.8 |
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in |
2010 |
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27.2 |
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in |
1982 |
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| Month Average Temperature |
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46.4 |
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45.8 |
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44.4 |
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+2.0 |
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54.2 |
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in |
2010 |
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36.1 |
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in |
1982 |
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| HDD |
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15 |
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19 |
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19 |
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-4 |
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34 |
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in |
1917 |
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1 |
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in |
1991 |
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| Month HDD |
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167 |
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173 |
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185 |
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-18 |
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260 |
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in |
1982 |
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97 |
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in |
2010 |
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| Season HDD |
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4487 |
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4398 |
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4835 |
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-348 |
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5865 |
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in |
1918 |
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4023 |
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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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48 |
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49 |
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41 |
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+7 |
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63 |
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in |
1991 |
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14 |
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in |
1977 |
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| Minimum
Dew Point |
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41 |
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30 |
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27 |
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+14 |
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45 |
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in |
1991 |
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5 |
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in |
1977 |
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| Average Dew Point |
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45 |
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40 |
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34 |
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+11 |
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54 |
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in |
1991 |
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10 |
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in |
1977 |
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| Month Avg Max Dew Point |
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39.1 |
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41.4 |
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39.6 |
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-0.4 |
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52.1 |
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in |
2010 |
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25.1 |
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in |
1965 |
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| Month Avg
Min Dew Point |
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21.7 |
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30.9 |
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26.0 |
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-4.3 |
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40.1 |
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in |
2010 |
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10.0 |
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in |
1982 |
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| Month Average Dew Point |
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30.4 |
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36.2 |
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32.8 |
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-2.4 |
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46.1 |
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in |
2010 |
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19.3 |
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in |
1982 |
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| Precipitation |
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.00 |
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.76 |
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.14 |
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-.14 |
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2.33 |
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in |
1897 |
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| One Hour |
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.00 |
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.24 |
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.27 |
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in |
1974 |
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| Hourly Rate |
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.00 |
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4.92 |
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4.92 |
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in |
2020 |
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| Month Precipitation |
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.77 |
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1.30 |
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1.33 |
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-.56 |
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4.20 |
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in |
1957 |
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.00 |
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in |
1925 |
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| Year Precipitation |
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9.19 |
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12.06 |
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12.79 |
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-3.60 |
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21.98 |
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in |
1903 |
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6.44 |
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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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8.0 |
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in |
1917 |
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| Snow Depth |
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0 |
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0 |
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5 |
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in |
1982 |
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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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8.0 |
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in |
1982 |
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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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80.5 |
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in |
1996 |
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5.0 |
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in |
1998 |
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April
9, 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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95% |
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84% |
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+16% |
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100% |
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in |
2021 |
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51% |
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in |
1977 |
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| Minimum
Humidity |
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63% |
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61% |
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45% |
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+18% |
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92% |
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in |
1974 |
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15% |
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in |
1968 |
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| Average Humidity |
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82% |
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78% |
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65% |
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+17% |
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95% |
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in |
1974 |
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39% |
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in |
1977 |
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| Maximum Barometer |
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30.21 |
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29.61 |
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30.03 |
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+00.18 |
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30.55 |
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in |
1994 |
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29.61 |
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in |
2020 |
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| Minimum
Barometer |
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30.12 |
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29.05 |
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29.75 |
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+00.37 |
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30.26 |
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in |
1994 |
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28.87 |
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in |
1907 |
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| Average Barometer |
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30.17 |
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29.33 |
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29.89 |
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+00.28 |
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30.41 |
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in |
1994 |
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29.33 |
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in |
2020 |
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| Average Wind |
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5.0 |
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12.8 |
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8.3 |
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-3.3 |
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18.9 |
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in |
2000 |
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2.8 |
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in |
1952 |
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| Direction |
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SSW |
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S |
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NNE |
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SSE |
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SSE |
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| High Wind Gust |
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17 |
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42 |
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26 |
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-9 |
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45 |
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in |
2000 |
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13 |
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in |
1952 |
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| Direction |
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SSW |
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SSE |
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NNE |
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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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35 |
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29 |
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+8 |
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7 |
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in |
1977 |
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| Maximum Water Temp |
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45.9 |
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40.8 |
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44.8 |
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+1.1 |
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55.9 |
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in |
2010 |
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38.5 |
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in |
2003 |
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| Minimum
Water Temp |
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44.5 |
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39.7 |
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42.1 |
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+2.4 |
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48.3 |
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in |
2010 |
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38.0 |
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in |
2003 |
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| Average Water Temp |
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45.2 |
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40.3 |
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43.5 |
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+1.7 |
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52.1 |
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in |
2010 |
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38.3 |
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in |
2003 |
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| Sunrise/ AM Twilight |
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6:12:38 AM |
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5:44:16 AM |
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| Sunset /
PM Twilight |
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7:20:17 PM |
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7:48:39 PM |
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| Length Of Day |
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13:05:36 |
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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 9, 2021 |
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| Climate Weather for April 9 |
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| Weather History For April 9 |
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| Weather Calendar |
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