| Portsmouth Rhode Island
Weather Almanac |
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| Sunday, January 17, 2021 |
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| Clear early, Partly Cloudy Day to Mostly Cloudy PM, Windy 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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January
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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44 |
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31 |
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37 |
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+7 |
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58 |
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in |
1995 |
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18 |
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in |
1971 |
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| Minimum
Temperature |
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34 |
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16 |
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24 |
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+10 |
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41 |
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in |
1995 |
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-5 |
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in |
1982 |
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| Average
Temperature |
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39 |
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24 |
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31 |
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+8 |
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50 |
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in |
1995 |
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11 |
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in |
1971 |
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| Month Avg Max Temperature |
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41.6 |
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44.4 |
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38.8 |
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+2.9 |
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46.9 |
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in |
2007 |
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24.5 |
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in |
1981 |
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| Month Avg
Min Temperature |
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30.3 |
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32.4 |
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24.9 |
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+5.3 |
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34.5 |
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in |
2007 |
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8.1 |
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in |
1981 |
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| Month Average
Temperature |
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36.0 |
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38.4 |
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31.9 |
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+4.1 |
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40.7 |
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in |
2007 |
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16.3 |
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in |
1981 |
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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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2.08 |
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in |
1909 |
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| One Hour |
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.00 |
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.00 |
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.31 |
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in |
1950 |
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| Hourly
Rate |
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.00 |
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.00 |
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.41 |
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in |
2010 |
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| Month Precipitation |
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1.59 |
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.82 |
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2.06 |
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-.47 |
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7.01 |
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in |
1979 |
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.12 |
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in |
1984 |
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| Year
Precipitation |
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1.59 |
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.82 |
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2.06 |
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-.47 |
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7.01 |
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in |
1979 |
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.12 |
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in |
1984 |
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| Snow |
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0.0 |
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0.0 |
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0.3 |
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-0.3 |
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9.6 |
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in |
1956 |
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| Month
Snow |
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0.3 |
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1.5 |
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5.1 |
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-4.8 |
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25.8 |
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in |
1996 |
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0.0 |
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in |
2007 |
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| Season
Snow |
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8.3 |
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9.9 |
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12.2 |
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-3.9 |
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41.6 |
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in |
1996 |
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0.2 |
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in |
1914 |
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| Snow Depth |
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0 |
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0 |
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13 |
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in |
1912 |
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| HDD |
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26 |
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41 |
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34 |
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-8 |
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54 |
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in |
1971 |
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15 |
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in |
1995 |
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| Month HDD |
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490 |
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449 |
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564 |
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-74 |
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823 |
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in |
1981 |
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411 |
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in |
2007 |
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| Season
HDD |
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2138 |
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2329 |
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2430 |
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-292 |
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3165 |
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in |
1918 |
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1832 |
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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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31 |
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15 |
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30 |
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+1 |
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56 |
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in |
1995 |
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-3 |
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in |
1971 |
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| Minimum
Dew Point |
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27 |
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-4 |
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13 |
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+14 |
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38 |
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in |
1995 |
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-21 |
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in |
1982 |
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| Average Dew Point |
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29 |
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6 |
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22 |
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+7 |
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47 |
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in |
1995 |
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-9 |
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in |
1971 |
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| Month Avg Max Dew Point |
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28.1 |
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32.4 |
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31.3 |
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-3.2 |
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39.4 |
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in |
1950 |
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11.7 |
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in |
1981 |
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| Month Avg
Min Dew Point |
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23.7 |
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23.8 |
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15.4 |
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+8.3 |
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24.6 |
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in |
2007 |
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-7.3 |
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in |
1981 |
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| Month Average Dew Point |
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26.0 |
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30.9 |
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23.3 |
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+2.7 |
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33.1 |
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in |
2007 |
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2.2 |
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in |
1981 |
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| Maximum Humidity |
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83% |
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57% |
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85% |
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-2% |
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100% |
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in |
2018 |
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52% |
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in |
1972 |
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| Minimum
Humidity |
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53% |
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31% |
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52% |
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+1% |
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91% |
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in |
1996 |
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24% |
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in |
2019 |
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| Average Humidity |
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68% |
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44% |
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68% |
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-0% |
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96% |
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in |
1996 |
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43% |
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in |
2007 |
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| Maximum Barometer |
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29.66 |
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30.61 |
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30.20 |
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-00.54 |
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30.76 |
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in |
2007 |
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29.33 |
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in |
1958 |
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| Minimum
Barometer |
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29.30 |
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30.05 |
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29.86 |
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-00.56 |
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30.29 |
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in |
2009 |
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29.08 |
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in |
1959 |
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| Average Barometer |
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29.48 |
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30.33 |
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30.04 |
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-00.56 |
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30.49 |
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in |
2007 |
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29.26 |
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in |
1958 |
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| Average Wind |
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11.7 |
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15.3 |
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8.6 |
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+3.1 |
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24.3 |
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in |
2000 |
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3.0 |
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in |
1978 |
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| Direction |
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WSW |
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N |
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WNW |
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NW |
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ENE |
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| High Wind Gust |
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31 |
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42 |
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27 |
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+4 |
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50 |
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in |
2000 |
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12 |
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in |
1978 |
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| Direction |
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WSW |
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NNE |
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WNW |
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WNW |
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ENE |
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| High Heat Index |
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| Wind Chill |
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24 |
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2 |
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11 |
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+13 |
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-30 |
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in |
1982 |
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| Maximum Water Temp |
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44.4 |
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39.2 |
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40.3 |
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+4.1 |
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45.3 |
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in |
2007 |
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35.8 |
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in |
2009 |
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| Minimum
Water Temp |
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43.0 |
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37.7 |
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37.6 |
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+5.4 |
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43.0 |
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in |
2021 |
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31.7 |
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in |
2004 |
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| Average Water Temp |
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43.7 |
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38.5 |
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38.8 |
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+4.9 |
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43.7 |
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in |
2021 |
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35.2 |
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in |
2004 |
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| Sunrise/ AM Twilight |
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7:07:36 AM |
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6:37:23 AM |
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| Sunset /
PM Twilight |
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4:43:48 PM |
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5:14:00 PM |
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| Length Of Day |
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9:36:12 |
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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 January 17, 2021 |
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| Climate Weather for January 17 |
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| Weather History For January 17 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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