| Portsmouth Rhode Island
Weather Almanac |
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| Monday, January 18, 2021 |
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| Partly Cloudy, Breezy and Continued 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
18, 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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45 |
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39 |
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37 |
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+8 |
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58 |
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in |
1990 |
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11 |
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in |
1982 |
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| Minimum
Temperature |
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32 |
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14 |
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23 |
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+9 |
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46 |
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in |
1915 |
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-9 |
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in |
1982 |
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| Average
Temperature |
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39 |
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27 |
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30 |
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+9 |
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50 |
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in |
1990 |
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1 |
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in |
1982 |
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| Month Avg Max Temperature |
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41.8 |
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44.1 |
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38.7 |
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+3.2 |
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46.9 |
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in |
2007 |
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24.7 |
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in |
1981 |
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| Month Avg
Min Temperature |
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30.4 |
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31.3 |
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24.9 |
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+5.5 |
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33.4 |
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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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36.3 |
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37.9 |
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31.8 |
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+4.6 |
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40.3 |
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in |
2007 |
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16.7 |
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in |
1981 |
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| Precipitation |
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.00 |
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.34 |
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.12 |
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-.12 |
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2.05 |
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in |
1915 |
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| One Hour |
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.00 |
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.04 |
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.47 |
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in |
1994 |
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| Hourly
Rate |
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.00 |
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.04 |
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5.43 |
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in |
2006 |
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| Month Precipitation |
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1.59 |
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1.16 |
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2.18 |
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-.59 |
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7.08 |
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in |
1979 |
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.28 |
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in |
1984 |
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| Year
Precipitation |
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1.59 |
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1.16 |
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2.18 |
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-.59 |
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7.08 |
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in |
1979 |
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.28 |
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in |
1984 |
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| Snow |
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0.0 |
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2.3 |
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0.3 |
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-0.3 |
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6.3 |
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in |
2009 |
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| Month
Snow |
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0.3 |
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3.8 |
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5.4 |
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-5.1 |
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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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12.5 |
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-4.2 |
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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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38 |
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35 |
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-9 |
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64 |
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in |
1982 |
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15 |
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in |
1990 |
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| Month HDD |
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516 |
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487 |
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598 |
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-82 |
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870 |
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in |
1981 |
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445 |
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in |
2007 |
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| Season
HDD |
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2164 |
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2367 |
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2465 |
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-301 |
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3201 |
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in |
1981 |
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1871 |
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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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32 |
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38 |
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29 |
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+3 |
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54 |
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in |
2006 |
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-9 |
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in |
1977 |
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| Minimum
Dew Point |
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22 |
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-1 |
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13 |
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+9 |
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35 |
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in |
2017 |
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-24 |
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in |
1982 |
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| Average Dew Point |
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27 |
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19 |
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21 |
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+6 |
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41 |
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in |
1999 |
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-15 |
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in |
1982 |
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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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31.2 |
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-3.1 |
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39.5 |
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in |
1950 |
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11.8 |
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in |
1981 |
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| Month Avg
Min Dew Point |
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23.6 |
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22.4 |
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15.2 |
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+8.4 |
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24.4 |
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in |
2006 |
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-7.4 |
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in |
1981 |
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| Month Average Dew Point |
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25.9 |
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30.3 |
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23.2 |
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+2.7 |
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32.6 |
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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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81% |
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95% |
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88% |
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-7% |
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100% |
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in |
2011 |
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50% |
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in |
1977 |
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| Minimum
Humidity |
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49% |
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45% |
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57% |
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-8% |
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94% |
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in |
2017 |
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29% |
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in |
2013 |
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| Average Humidity |
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65% |
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70% |
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73% |
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-8% |
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96% |
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in |
2017 |
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42% |
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in |
1962 |
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| Maximum Barometer |
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29.85 |
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30.60 |
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30.20 |
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-00.35 |
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30.74 |
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in |
2007 |
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29.54 |
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in |
1958 |
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| Minimum
Barometer |
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29.61 |
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29.75 |
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29.77 |
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-00.16 |
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30.30 |
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in |
1962 |
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29.25 |
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in |
1926 |
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| Average Barometer |
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29.73 |
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30.18 |
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29.98 |
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-00.25 |
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30.43 |
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in |
1974 |
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29.42 |
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in |
1958 |
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| Average Wind |
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8.9 |
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5.0 |
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9.2 |
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-0.3 |
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16.6 |
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in |
2006 |
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1.6 |
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in |
1965 |
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| Direction |
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W |
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N |
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NW |
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SSE |
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W |
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| High Wind Gust |
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26 |
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19 |
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30 |
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-4 |
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55 |
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in |
1999 |
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12 |
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in |
1985 |
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| Direction |
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W |
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N |
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WNW |
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S |
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NW |
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| High Heat Index |
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| Wind Chill |
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24 |
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3 |
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12 |
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+12 |
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-31 |
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in |
1982 |
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| Maximum Water Temp |
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43.0 |
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38.8 |
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40.6 |
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+2.4 |
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48.2 |
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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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42.3 |
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36.9 |
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37.6 |
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+4.7 |
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43.2 |
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in |
2007 |
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33.6 |
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in |
2018 |
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| Average Water Temp |
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42.7 |
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37.9 |
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39.1 |
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+3.6 |
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45.7 |
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in |
2007 |
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34.8 |
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in |
2018 |
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| Sunrise/ AM Twilight |
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7:07:02 AM |
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6:36:53 AM |
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| Sunset /
PM Twilight |
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4:44:59 PM |
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5:15:07 PM |
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| Length Of Day |
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9:37:57 |
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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 18, 2021 |
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| Climate Weather for January 18 |
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| Weather History For January 18 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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