| Portsmouth Rhode Island
Weather Almanac |
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| Friday, January 1, 2021 |
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| Clear early, Partly Cloudy Day to Cloudy and Light Rain PM,
Light Winds and Cooler |
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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
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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40 |
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42 |
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40 |
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-0 |
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59 |
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in |
1966 |
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12 |
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in |
1918 |
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| Minimum
Temperature |
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29 |
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34 |
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27 |
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+3 |
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43 |
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in |
1979 |
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-2 |
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in |
1918 |
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| Average Temperature |
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35 |
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38 |
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33 |
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+2 |
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51 |
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in |
1966 |
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5 |
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in |
1918 |
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| Month Avg Max Temperature |
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40.0 |
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42.0 |
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40.4 |
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-0.4 |
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59.0 |
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in |
1966 |
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12.0 |
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in |
1918 |
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| Month Avg
Min Temperature |
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29.0 |
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34.0 |
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26.5 |
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+2.5 |
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43.0 |
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in |
1979 |
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-2.0 |
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in |
1918 |
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| Month Average
Temperature |
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35.0 |
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38.0 |
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33.5 |
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+1.5 |
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51.0 |
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in |
1966 |
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5.0 |
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in |
1918 |
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| Precipitation |
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.10 |
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.00 |
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.12 |
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-.02 |
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1.56 |
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in |
2007 |
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| One Hour |
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.09 |
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.00 |
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.39 |
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in |
1995 |
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| Hourly
Rate |
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.14 |
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.00 |
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1.09 |
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in |
2007 |
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| Month
Precipitation |
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.10 |
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.00 |
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.12 |
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-.02 |
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1.56 |
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in |
2007 |
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.00 |
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in |
2020 |
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| Year
Precipitation |
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.10 |
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.00 |
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.12 |
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-.02 |
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1.56 |
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in |
2007 |
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.00 |
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in |
2020 |
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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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6.2 |
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in |
1938 |
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| Month
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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6.2 |
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in |
1938 |
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0.0 |
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in |
2021 |
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| Season
Snow |
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8.0 |
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8.4 |
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7.4 |
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+0.6 |
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24.0 |
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in |
1899 |
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T |
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in |
2000 |
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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 |
1948 |
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| HDD |
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30 |
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27 |
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32 |
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-2 |
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60 |
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in |
1918 |
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14 |
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in |
1966 |
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| Month HDD |
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30 |
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27 |
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32 |
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-2 |
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60 |
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in |
1918 |
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14 |
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in |
1966 |
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| Season
HDD |
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1678 |
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1907 |
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1902 |
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-224 |
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2507 |
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in |
1918 |
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1349 |
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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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37 |
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36 |
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33 |
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+4 |
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54 |
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in |
2019 |
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-1 |
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in |
2018 |
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| Minimum
Dew Point |
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22 |
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25 |
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17 |
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+5 |
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43 |
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in |
1979 |
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-13 |
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in |
1999 |
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| Average Dew Point |
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30 |
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31 |
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25 |
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+5 |
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47 |
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in |
1979 |
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-4 |
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in |
2018 |
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| Month Avg Max Dew Point |
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37.0 |
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32.4 |
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33.0 |
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+4.0 |
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54.0 |
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in |
1973 |
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4.0 |
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in |
1956 |
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| Month Avg
Min Dew Point |
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22.0 |
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25.0 |
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17.4 |
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+4.6 |
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43.0 |
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in |
1979 |
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-13.0 |
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in |
1999 |
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| Month Average Dew Point |
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30.0 |
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31.0 |
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25.2 |
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+4.8 |
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47.0 |
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in |
1979 |
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-4.0 |
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in |
2018 |
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| Maximum Humidity |
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96% |
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87% |
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84% |
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+12% |
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100% |
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in |
2019 |
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55% |
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in |
1965 |
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| Minimum
Humidity |
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61% |
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52% |
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54% |
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+7% |
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93% |
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in |
1979 |
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23% |
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in |
1992 |
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| Average Humidity |
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79% |
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70% |
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69% |
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+10% |
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97% |
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in |
1979 |
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44% |
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in |
1965 |
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| Maximum Barometer |
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30.53 |
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29.83 |
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30.25 |
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+00.28 |
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30.87 |
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in |
1947 |
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29.62 |
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in |
1977 |
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| Minimum
Barometer |
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30.11 |
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29.55 |
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29.88 |
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+00.23 |
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30.45 |
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in |
1984 |
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29.08 |
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in |
1949 |
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| Average Barometer |
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30.32 |
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29.69 |
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30.07 |
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+00.25 |
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30.52 |
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in |
1991 |
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29.43 |
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in |
1977 |
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| Average Wind |
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3.8 |
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8.3 |
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8.2 |
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-4.4 |
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20.5 |
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in |
1969 |
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1.6 |
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in |
1981 |
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| Direction |
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NW |
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WNW |
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NW |
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WNW |
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N |
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| High Wind Gust |
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15 |
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22 |
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27 |
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-12 |
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52 |
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in |
1969 |
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10 |
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in |
1981 |
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| Direction |
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NNE |
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WNW |
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WNW |
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WNW |
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N |
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| High Heat Index |
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| Wind Chill |
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23 |
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26 |
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15 |
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+8 |
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-16 |
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in |
2018 |
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| Maximum Water Temp |
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45.1 |
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39.4 |
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42.3 |
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+2.8 |
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50.4 |
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in |
2007 |
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36.0 |
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in |
2018 |
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| Minimum
Water Temp |
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43.2 |
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37.4 |
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39.7 |
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+3.5 |
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47.8 |
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in |
2007 |
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32.4 |
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in |
2013 |
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| Average Water Temp |
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44.2 |
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38.4 |
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41.1 |
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+3.1 |
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49.1 |
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in |
2007 |
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34.3 |
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in |
2018 |
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| Sunrise/ AM Twilight |
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7:11:40 AM |
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6:40:35 AM |
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| Sunset /
PM Twilight |
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4:27:02 PM |
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4:58:07 PM |
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| Length Of Day |
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9:15:22 |
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| Special Conditions |
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Fog |
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| Comments |
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| Hour-by-Hour Weather For January 1, 2021 |
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| Climate Weather for January 1 |
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| Weather History For January 1 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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