| Portsmouth Rhode Island Weather Almanac |
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| Tuesday,
December 28, 2021 |
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| Cloudy, Rain
& Fog early, Partly Cloudy Day to Mostly Cloudy PM, Much Warmer |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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December 28, 2021 |
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Record |
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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 |
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Lowest |
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| Maximum Temperature |
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47 |
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51 |
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41 |
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+6 |
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56 |
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in |
2011 |
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15 |
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in |
2017 |
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| Minimum
Temperature |
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36 |
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31 |
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27 |
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+9 |
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43 |
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in |
2008 |
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3 |
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in |
1896 |
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| Average Temperature |
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42 |
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41 |
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34 |
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+8 |
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48 |
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in |
2008 |
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12 |
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in |
2017 |
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| Month Avg Max Temperature |
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46.3 |
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43.3 |
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43.5 |
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+2.8 |
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54.8 |
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in |
2015 |
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30.4 |
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in |
1989 |
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| Month Avg
Min Temperature |
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33.6 |
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31.2 |
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30.4 |
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+3.3 |
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42.3 |
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in |
2015 |
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14.1 |
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in |
1989 |
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| Month Average
Temperature |
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40.2 |
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37.5 |
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36.9 |
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+3.3 |
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48.9 |
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in |
2015 |
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22.5 |
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in |
1989 |
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| High Heat Index |
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| Low Wind Chill |
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34 |
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31 |
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15 |
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+19 |
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-11 |
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in |
1952 |
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| Heating Degree Days |
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23 |
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24 |
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31 |
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-8 |
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53 |
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in |
2017 |
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17 |
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in |
2008 |
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| Month HDD |
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694 |
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770 |
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785 |
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-91 |
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1191 |
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in |
1989 |
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452 |
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in |
2015 |
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| Season HDD |
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1488 |
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1563 |
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1775 |
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-287 |
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2375 |
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in |
1904 |
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1247 |
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in |
2015 |
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| Cooling Degree Days |
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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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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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in |
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| Year Cooling Degree Days |
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795 |
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871 |
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609 |
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+186 |
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871 |
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in |
2020 |
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290 |
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in |
1902 |
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| Maximum Dew Point |
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44 |
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45 |
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33 |
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+11 |
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54 |
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in |
2018 |
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2 |
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in |
2017 |
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| Minimum
Dew Point |
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32 |
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25 |
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18 |
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+14 |
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36 |
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in |
2008 |
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-9 |
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in |
2017 |
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| Average Dew Point |
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38 |
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35 |
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25 |
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+13 |
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44 |
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in |
2008 |
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-4 |
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in |
2017 |
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| Month Avg Max Dew Point |
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40.1 |
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36.9 |
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34.4 |
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+5.7 |
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49.8 |
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in |
2015 |
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15.1 |
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in |
1989 |
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| Month Avg
Min Dew Point |
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22.0 |
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23.7 |
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18.9 |
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+3.2 |
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36.8 |
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in |
2015 |
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-1.3 |
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in |
1989 |
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| Month Average Dew Point |
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31.3 |
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30.5 |
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26.6 |
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+4.6 |
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43.5 |
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in |
2015 |
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6.9 |
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in |
1989 |
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| Precipitation |
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.21 |
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.00 |
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.14 |
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+.07 |
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2.75 |
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in |
1967 |
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| One Hour |
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.06 |
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.00 |
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.41 |
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in |
1967 |
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| Hourly Rate |
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.17 |
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.00 |
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2.17 |
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in |
2011 |
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| Month Precipitation |
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1.66 |
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6.08 |
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4.14 |
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-2.48 |
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9.28 |
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in |
1936 |
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.56 |
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in |
1955 |
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| Year Precipitation |
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47.24 |
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42.96 |
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45.57 |
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+1.67 |
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65.49 |
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in |
1983 |
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27.66 |
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in |
1965 |
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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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5.6 |
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in |
1990 |
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in |
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| Snow Depth |
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0 |
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0 |
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15 |
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in |
1947 |
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in |
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| Month Snow |
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0.8 |
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7.4 |
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5.6 |
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-4.8 |
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21.7 |
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in |
1981 |
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0.0 |
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in |
2015 |
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| Season Snow |
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0.8 |
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8.0 |
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6.2 |
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-5.4 |
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22.9 |
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in |
1904 |
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0.0 |
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in |
2015 |
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December
28, 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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98% |
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93% |
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85% |
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+13% |
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100% |
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in |
2018 |
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46% |
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in |
1952 |
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| Minimum
Humidity |
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64% |
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75% |
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55% |
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+9% |
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87% |
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in |
1959 |
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18% |
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in |
2003 |
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| Average Humidity |
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81% |
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84% |
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70% |
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+11% |
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93% |
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in |
1961 |
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44% |
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in |
1991 |
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| Maximum Barometer |
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29.90 |
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30.35 |
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30.17 |
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-00.27 |
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30.78 |
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in |
1992 |
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29.63 |
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in |
1976 |
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| Minimum
Barometer |
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29.76 |
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30.05 |
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29.86 |
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-00.10 |
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30.58 |
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in |
1992 |
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29.20 |
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in |
1969 |
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| Average Barometer |
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29.83 |
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30.20 |
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30.01 |
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-00.18 |
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30.68 |
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in |
1992 |
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29.44 |
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in |
1969 |
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| Average Wind |
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4.7 |
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7.0 |
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8.0 |
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-3.3 |
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17.6 |
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in |
1969 |
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2.7 |
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in |
1958 |
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| Direction |
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NW |
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SSW |
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NW |
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NW |
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SSW |
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| High Wind Gust |
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18 |
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24 |
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26 |
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-8 |
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53 |
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in |
1969 |
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9 |
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in |
2003 |
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| Direction |
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NW |
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SSW |
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WNW |
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NW |
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N |
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| Maximum Water Temp |
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46.9 |
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44.6 |
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43.6 |
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+3.3 |
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50.4 |
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in |
2015 |
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38.8 |
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in |
2010 |
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| Minimum
Water Temp |
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44.2 |
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43.0 |
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41.3 |
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+2.9 |
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47.0 |
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in |
2015 |
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34.9 |
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in |
2000 |
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| Average Water Temp |
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45.6 |
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43.8 |
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42.5 |
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+3.1 |
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48.7 |
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in |
2015 |
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37.5 |
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in |
2017 |
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| Sunrise/ AM Twilight |
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7:11:01 AM |
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6:41:20 AM |
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| Sunset /
PM Twilight |
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4:22:40 PM |
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4:52:22 PM |
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| Length Of Day |
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9:11:39 |
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| Special Conditions |
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Dense Fog |
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| Comments |
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| Hour-by-Hour Weather For December 28, 2021 |
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| Climate Weather for December 28 |
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| Weather History For December 28 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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