Portsmouth Rhode Island
Weather Almanac |
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Saturday, May 1, 2021 |
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Mostly Cloudy & Light Rain early, Clear Day to Partly
Cloudy PM, Windy, Seasonal Temps |
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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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May 1,
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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64 |
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65 |
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60 |
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+4 |
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77 |
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in |
2001 |
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44 |
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in |
1950 |
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Minimum
Temperature |
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40 |
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50 |
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44 |
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-4 |
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54 |
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in |
1983 |
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33 |
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in |
2000 |
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Average Temperature |
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52 |
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58 |
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52 |
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+0 |
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64 |
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in |
2001 |
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42 |
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in |
1950 |
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Month Avg Max Temperature |
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64.0 |
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65.0 |
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60.0 |
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+4.0 |
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77.0 |
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in |
2001 |
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44.0 |
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in |
1950 |
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Month Avg
Min Temperature |
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40.0 |
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50.0 |
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44.0 |
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-4.0 |
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54.0 |
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in |
1983 |
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33.0 |
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in |
2000 |
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Month Average
Temperature |
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52.0 |
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58.0 |
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52.0 |
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+0.0 |
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64.0 |
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in |
2001 |
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42.0 |
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in |
1950 |
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HDD |
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13 |
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7 |
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13 |
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+0 |
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23 |
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in |
1950 |
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1 |
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in |
2001 |
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Month HDD |
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13 |
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7 |
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13 |
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+0 |
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23 |
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in |
1950 |
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1 |
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in |
2001 |
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Season HDD |
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4822 |
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4828 |
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5186 |
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-364 |
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6271 |
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in |
1904 |
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4305 |
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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 |
2021 |
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0 |
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in |
2021 |
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Year CDD |
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0 |
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0 |
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0 |
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+0 |
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13 |
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in |
1976 |
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0 |
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in |
2021 |
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Maximum Dew Point |
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44 |
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58 |
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48 |
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-4 |
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58 |
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in |
2020 |
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23 |
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in |
1952 |
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Minimum
Dew Point |
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28 |
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48 |
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36 |
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-8 |
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48 |
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in |
2020 |
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12 |
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in |
1974 |
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Average Dew Point |
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36 |
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53 |
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42 |
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-6 |
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53 |
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in |
2020 |
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20 |
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in |
1978 |
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Month Avg Max Dew Point |
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44.0 |
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58.0 |
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48.0 |
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-4.0 |
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58.0 |
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in |
2020 |
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23.0 |
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in |
1952 |
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Month Avg
Min Dew Point |
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28.0 |
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48.0 |
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36.0 |
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-8.0 |
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48.0 |
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in |
2020 |
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12.0 |
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in |
1974 |
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Month Average Dew Point |
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36.0 |
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53.0 |
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42.0 |
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-6.0 |
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53.0 |
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in |
2020 |
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20.0 |
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in |
1978 |
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Precipitation |
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.07 |
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.88 |
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.13 |
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-.06 |
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1.28 |
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in |
1953 |
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One Hour |
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.05 |
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.19 |
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.45 |
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in |
1953 |
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Hourly Rate |
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.12 |
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.52 |
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4.06 |
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in |
2014 |
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Month Precipitation |
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.07 |
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.88 |
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.13 |
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-.06 |
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1.28 |
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in |
1953 |
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.00 |
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in |
2015 |
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Year Precipitation |
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11.77 |
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17.08 |
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15.86 |
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-4.09 |
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31.21 |
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in |
1983 |
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7.53 |
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in |
1985 |
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Snow |
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0.0 |
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0.0 |
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0.0 |
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+0.0 |
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T |
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in |
1995 |
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Snow Depth |
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0 |
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0 |
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in |
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Month Snow |
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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 |
1995 |
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in |
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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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May 1,
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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87% |
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96% |
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87% |
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+0% |
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100% |
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in |
2017 |
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45% |
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in |
1952 |
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Minimum
Humidity |
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35% |
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73% |
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48% |
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-13% |
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93% |
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in |
2014 |
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19% |
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in |
2007 |
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Average Humidity |
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61% |
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85% |
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67% |
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-6% |
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97% |
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in |
2014 |
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34% |
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in |
1952 |
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Maximum Barometer |
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29.85 |
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29.98 |
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30.09 |
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-00.24 |
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30.57 |
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in |
1934 |
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29.63 |
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in |
1968 |
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Minimum
Barometer |
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29.48 |
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29.63 |
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29.84 |
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-00.36 |
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30.35 |
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in |
2013 |
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29.32 |
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in |
1968 |
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Average Barometer |
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29.67 |
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29.81 |
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29.97 |
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-00.30 |
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30.41 |
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in |
2013 |
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29.48 |
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in |
1968 |
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Average Wind |
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10.5 |
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9.5 |
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7.3 |
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+3.2 |
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14.4 |
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in |
1983 |
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3.1 |
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in |
1989 |
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Direction |
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NW |
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SE |
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S |
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S |
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ESE |
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High Wind Gust |
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38 |
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28 |
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24 |
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+14 |
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43 |
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in |
1974 |
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13 |
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in |
2018 |
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Direction |
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NW |
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SE |
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S |
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NW |
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WNW |
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High
Heat Index |
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77 |
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in |
2001 |
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Wind Chill |
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33 |
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26 |
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in |
2000 |
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Maximum Water Temp |
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49.1 |
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43.2 |
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50.9 |
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-1.8 |
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58.8 |
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in |
2007 |
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43.2 |
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in |
2020 |
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Minimum
Water Temp |
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48.0 |
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40.8 |
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47.8 |
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+0.2 |
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53.6 |
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in |
2007 |
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40.8 |
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in |
2020 |
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Average Water Temp |
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48.6 |
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42.0 |
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49.4 |
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-0.8 |
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56.2 |
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in |
2007 |
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42.0 |
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in |
2020 |
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Sunrise/ AM Twilight |
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5:40:37 AM |
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5:10:25 AM |
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Sunset /
PM Twilight |
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7:43:50 PM |
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8:14:01 PM |
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Length Of Day |
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14:03:13 |
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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 May 1, 2021 |
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Climate Weather for May 1 |
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Weather History For May 1 |
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Weather Calendar |
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Back To Weather Stat Page |
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