| Portsmouth Rhode Island
Weather Almanac |
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| Wednesday, February 17, 2021 |
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| Clear to Partly Cloudy PM, Breezy and Colder |
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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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February
17, 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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35 |
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49 |
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40 |
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-5 |
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60 |
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in |
1976 |
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11 |
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in |
1922 |
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| Minimum
Temperature |
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24 |
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29 |
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25 |
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-1 |
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39 |
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in |
1976 |
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-9 |
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in |
1896 |
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| Average
Temperature |
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30 |
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39 |
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33 |
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-3 |
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50 |
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in |
1976 |
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4 |
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in |
1922 |
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| Month Avg Max Temperature |
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36.4 |
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43.3 |
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38.5 |
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-2.1 |
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44.8 |
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in |
1990 |
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22.4 |
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in |
1979 |
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| Month Avg
Min Temperature |
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25.4 |
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30.8 |
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24.3 |
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+1.1 |
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30.8 |
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in |
2020 |
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8.0 |
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in |
1979 |
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| Month Average Temperature |
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30.9 |
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37.0 |
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31.9 |
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-1.0 |
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37.0 |
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in |
2020 |
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15.2 |
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in |
1979 |
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| Precipitation |
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.00 |
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.00 |
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.12 |
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-.12 |
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1.85 |
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in |
1936 |
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| One Hour |
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.00 |
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.00 |
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.35 |
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in |
1983 |
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| Hourly
Rate |
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.00 |
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.00 |
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.13 |
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in |
2006 |
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| Month Precipitation |
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1.79 |
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2.64 |
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2.00 |
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-.21 |
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5.93 |
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in |
1988 |
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.07 |
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in |
1912 |
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| Year
Precipitation |
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3.75 |
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4.68 |
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5.67 |
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-1.92 |
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12.38 |
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in |
1979 |
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2.33 |
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in |
1980 |
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| Snow |
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0.0 |
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0.0 |
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0.4 |
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-0.4 |
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16.4 |
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in |
2003 |
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| Month Snow |
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10.5 |
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0.0 |
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6.0 |
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+4.5 |
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26.3 |
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in |
1978 |
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0.0 |
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in |
2020 |
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| Season
Snow |
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22.2 |
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12.2 |
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23.1 |
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-0.9 |
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61.1 |
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in |
1996 |
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3.5 |
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in |
1989 |
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| Snow Depth |
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0 |
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0 |
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22 |
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in |
2015 |
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| HDD |
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35 |
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26 |
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32 |
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+3 |
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61 |
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in |
1922 |
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15 |
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in |
1976 |
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| Month HDD |
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576 |
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469 |
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563 |
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+13 |
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844 |
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in |
1979 |
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469 |
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in |
2020 |
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| Season
HDD |
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3237 |
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3234 |
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3482 |
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-245 |
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4436 |
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in |
1918 |
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2861 |
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in |
2016 |
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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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25 |
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30 |
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31 |
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-6 |
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53 |
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in |
1990 |
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-13 |
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in |
1979 |
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| Minimum
Dew Point |
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4 |
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18 |
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14 |
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-10 |
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34 |
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in |
1984 |
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-19 |
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in |
1979 |
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| Average Dew Point |
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15 |
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24 |
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23 |
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-8 |
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41 |
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in |
1976 |
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-16 |
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in |
1979 |
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| Month Avg Max Dew Point |
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29.9 |
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36.2 |
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29.4 |
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+0.5 |
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39.0 |
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in |
2018 |
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2.9 |
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in |
1979 |
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| Month Avg
Min Dew Point |
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16.4 |
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22.6 |
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12.8 |
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+3.6 |
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22.6 |
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in |
2020 |
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-8.3 |
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in |
1979 |
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| Month Average Dew Point |
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23.1 |
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29.4 |
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23.0 |
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+0.1 |
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29.4 |
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in |
2020 |
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-2.7 |
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in |
1979 |
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February
17, 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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66% |
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89% |
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84% |
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-18% |
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100% |
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in |
2018 |
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42% |
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in |
1979 |
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| Minimum
Humidity |
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34% |
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37% |
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49% |
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-15% |
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90% |
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in |
1954 |
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20% |
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in |
2000 |
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| Average Humidity |
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50% |
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63% |
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66% |
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-16% |
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94% |
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in |
1954 |
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35% |
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in |
1989 |
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| Maximum Barometer |
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30.46 |
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30.44 |
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30.17 |
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+00.29 |
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30.84 |
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in |
1989 |
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29.42 |
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in |
1958 |
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| Minimum
Barometer |
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29.86 |
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30.09 |
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29.80 |
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+00.06 |
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30.50 |
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in |
1989 |
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28.71 |
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in |
1902 |
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| Average Barometer |
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30.16 |
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30.27 |
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29.99 |
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+00.17 |
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30.67 |
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in |
1989 |
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29.22 |
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in |
1958 |
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| Average Wind |
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8.7 |
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5.7 |
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8.7 |
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+0.0 |
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20.5 |
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in |
2013 |
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2.6 |
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in |
1978 |
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| Direction |
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NW |
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N |
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WNW |
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NW |
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S |
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| High Wind Gust |
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34 |
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20 |
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28 |
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+6 |
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53 |
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in |
1902 |
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11 |
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in |
1978 |
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| Direction |
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WNW |
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WNW |
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WNW |
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NE |
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SE |
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| High Heat Index |
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| Wind Chill |
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13 |
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23 |
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11 |
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+2 |
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-23 |
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in |
1979 |
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| Maximum Water Temp |
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39.4 |
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36.3 |
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38.1 |
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+1.3 |
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43.7 |
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in |
2012 |
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32.4 |
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in |
2015 |
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| Minimum
Water Temp |
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37.4 |
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34.9 |
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36.4 |
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+1.0 |
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42.4 |
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in |
2012 |
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32.0 |
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in |
2015 |
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| Average Water Temp |
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38.4 |
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35.6 |
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37.3 |
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+1.1 |
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43.1 |
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in |
2012 |
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32.2 |
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in |
2015 |
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| Sunrise/ AM Twilight |
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6:35:48 AM |
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6:07:40 AM |
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| Sunset /
PM Twilight |
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5:22:26 PM |
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5:50:35 PM |
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| Length Of Day |
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10:46:38 |
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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 February 17, 2021 |
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| Climate Weather for February 17 |
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| Weather History For February 17 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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