| Portsmouth Rhode Island
Weather Almanac |
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| Thursday, January 21, 2021 |
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| Partly Cloudy early, Mostly Cloudy Afternoon & Light Snow
Flurry to Partly Cloudy PM 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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January
21, 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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37 |
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28 |
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37 |
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+0 |
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54 |
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in |
1979 |
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12 |
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in |
2019 |
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| Minimum
Temperature |
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18 |
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17 |
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23 |
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-5 |
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41 |
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in |
1923 |
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2 |
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in |
2019 |
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| Average
Temperature |
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28 |
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23 |
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30 |
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-2 |
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46 |
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in |
1923 |
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7 |
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in |
2019 |
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| Month Avg Max Temperature |
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41.5 |
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42.6 |
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38.4 |
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+3.1 |
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45.9 |
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in |
1913 |
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26.8 |
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in |
1981 |
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| Month Avg
Min Temperature |
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29.4 |
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29.8 |
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24.6 |
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+4.8 |
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32.4 |
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in |
1932 |
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9.7 |
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in |
1981 |
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| Month Average
Temperature |
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35.7 |
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36.4 |
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31.5 |
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+4.2 |
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38.8 |
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in |
1937 |
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18.5 |
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in |
1981 |
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| Precipitation |
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T |
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.00 |
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.12 |
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-.12 |
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2.05 |
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in |
1979 |
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| One Hour |
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.00 |
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.00 |
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.56 |
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in |
1979 |
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| Hourly
Rate |
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.00 |
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.00 |
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.00 |
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in |
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| Month Precipitation |
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1.59 |
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1.38 |
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2.54 |
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-.95 |
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9.13 |
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in |
1979 |
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.51 |
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in |
1984 |
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| Year
Precipitation |
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1.59 |
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1.38 |
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2.54 |
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-.95 |
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9.13 |
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in |
1979 |
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.51 |
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in |
1984 |
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| Snow |
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T |
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0.0 |
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0.4 |
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-0.4 |
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8.6 |
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in |
2012 |
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| Month
Snow |
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0.3 |
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3.8 |
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6.4 |
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-6.1 |
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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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12.2 |
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13.5 |
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-5.2 |
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41.6 |
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in |
1996 |
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0.4 |
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in |
2007 |
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| Snow Depth |
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0 |
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0 |
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14 |
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in |
1961 |
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| HDD |
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37 |
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42 |
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35 |
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+2 |
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58 |
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in |
2019 |
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19 |
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in |
1923 |
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| Month HDD |
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615 |
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600 |
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703 |
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-88 |
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976 |
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in |
1981 |
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551 |
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in |
1937 |
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| Season
HDD |
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2263 |
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2480 |
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2570 |
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-307 |
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3333 |
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in |
1918 |
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1984 |
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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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29 |
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8 |
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29 |
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+0 |
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53 |
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in |
1979 |
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-3 |
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in |
1985 |
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| Minimum
Dew Point |
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9 |
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3 |
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13 |
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-4 |
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36 |
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in |
2017 |
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-18 |
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in |
1985 |
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| Average Dew Point |
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19 |
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6 |
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21 |
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-2 |
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42 |
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in |
1959 |
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-11 |
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in |
1985 |
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| Month Avg Max Dew Point |
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27.1 |
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32.4 |
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30.9 |
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-3.8 |
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36.3 |
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in |
1950 |
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12.7 |
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in |
1981 |
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| Month Avg
Min Dew Point |
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22.2 |
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20.2 |
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14.9 |
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+7.3 |
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24.6 |
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in |
2006 |
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-5.7 |
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in |
1981 |
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| Month Average Dew Point |
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24.7 |
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28.0 |
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22.9 |
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+1.9 |
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32.3 |
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in |
2006 |
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3.5 |
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in |
1981 |
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| Maximum Humidity |
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75% |
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61% |
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80% |
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-5% |
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100% |
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in |
2017 |
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46% |
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in |
1980 |
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| Minimum
Humidity |
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54% |
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37% |
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50% |
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+5% |
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94% |
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in |
1959 |
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22% |
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in |
1989 |
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| Average Humidity |
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65% |
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49% |
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65% |
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-0% |
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96% |
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in |
1959 |
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38% |
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in |
1980 |
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| Maximum Barometer |
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29.98 |
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30.43 |
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30.18 |
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-00.20 |
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30.92 |
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in |
1949 |
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29.53 |
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in |
1985 |
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| Minimum
Barometer |
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29.60 |
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30.31 |
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29.87 |
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-00.27 |
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30.42 |
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in |
1996 |
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28.70 |
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in |
1979 |
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| Average Barometer |
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29.79 |
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30.37 |
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30.02 |
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-00.23 |
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30.54 |
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in |
2008 |
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29.15 |
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in |
1964 |
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| Average Wind |
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6.4 |
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8.0 |
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8.8 |
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-2.4 |
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22.5 |
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in |
2000 |
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1.3 |
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in |
1981 |
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| Direction |
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WNW |
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NNW |
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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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28 |
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23 |
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26 |
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+2 |
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45 |
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in |
1947 |
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10 |
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in |
1981 |
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| Direction |
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W |
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NNW |
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NW |
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W |
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S |
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| High Heat Index |
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| Wind Chill |
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11 |
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5 |
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8 |
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+3 |
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-19 |
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in |
1985 |
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| Maximum Water Temp |
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41.0 |
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37.8 |
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39.4 |
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+1.6 |
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45.1 |
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in |
2007 |
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35.7 |
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in |
2003 |
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| Minimum
Water Temp |
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39.4 |
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35.6 |
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36.6 |
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+2.8 |
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40.2 |
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in |
2017 |
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32.4 |
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in |
2004 |
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| Average Water Temp |
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40.2 |
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36.7 |
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37.9 |
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+2.3 |
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42.2 |
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in |
2007 |
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34.2 |
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in |
2003 |
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| Sunrise/ AM Twilight |
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7:05:06 AM |
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6:35:10 AM |
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| Sunset /
PM Twilight |
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4:48:36 PM |
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5:18:32 PM |
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| Length Of Day |
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9:43:30 |
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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 21, 2021 |
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| Climate Weather for January 21 |
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| Weather History For January 21 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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