Portsmouth Rhode Island Weather Almanac |
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Tuesday,
December 7, 2021 |
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Partly
Cloudy, Windy Morning to Mostly Cloudy PM, Much Cooler |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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December 7, 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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45 |
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36 |
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45 |
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+0 |
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67 |
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in |
1998 |
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26 |
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in |
1954 |
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Minimum
Temperature |
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35 |
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28 |
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32 |
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+3 |
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51 |
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in |
1932 |
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11 |
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in |
1906 |
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Average Temperature |
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40 |
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32 |
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39 |
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+1 |
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58 |
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in |
1998 |
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21 |
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in |
1954 |
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Month Avg Max Temperature |
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49.7 |
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47.9 |
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46.0 |
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+3.7 |
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59.1 |
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in |
1998 |
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32.6 |
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in |
1954 |
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Month Avg
Min Temperature |
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36.0 |
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36.0 |
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33.0 |
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+3.0 |
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45.3 |
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in |
2001 |
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14.9 |
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in |
1989 |
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Month Average
Temperature |
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43.0 |
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42.1 |
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39.4 |
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+3.6 |
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52.6 |
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in |
2001 |
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25.4 |
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in |
1926 |
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High Heat Index |
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Low Wind Chill |
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30 |
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19 |
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22 |
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+8 |
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-1 |
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in |
1989 |
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Heating Degree Days |
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25 |
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33 |
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26 |
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-1 |
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44 |
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in |
1954 |
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7 |
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in |
1998 |
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Month HDD |
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154 |
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160 |
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179 |
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-25 |
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277 |
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in |
1926 |
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87 |
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in |
2001 |
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Season HDD |
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948 |
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953 |
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1169 |
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-221 |
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1568 |
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in |
1904 |
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901 |
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in |
2011 |
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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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39 |
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24 |
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38 |
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+1 |
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59 |
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in |
1953 |
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11 |
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in |
1958 |
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Minimum
Dew Point |
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20 |
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20 |
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23 |
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-3 |
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46 |
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in |
2011 |
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-4 |
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in |
1989 |
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Average Dew Point |
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30 |
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22 |
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31 |
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-1 |
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51 |
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in |
2011 |
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8 |
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in |
1958 |
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Month Avg Max Dew Point |
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41.4 |
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40.0 |
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37.8 |
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+3.7 |
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51.4 |
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in |
1982 |
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21.3 |
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in |
1976 |
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Month Avg
Min Dew Point |
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24.1 |
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27.3 |
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23.0 |
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+1.1 |
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37.7 |
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in |
2001 |
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-2.9 |
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in |
1989 |
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Month Average Dew Point |
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33.0 |
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33.9 |
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30.4 |
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+2.6 |
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44.1 |
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in |
2001 |
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10.6 |
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in |
1989 |
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Precipitation |
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.01 |
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.00 |
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.15 |
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-.14 |
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2.10 |
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in |
1908 |
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One Hour |
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.01 |
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.00 |
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.61 |
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in |
1996 |
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Hourly Rate |
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.00 |
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.00 |
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1.81 |
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in |
2011 |
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Month Precipitation |
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.39 |
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2.53 |
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1.05 |
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-.66 |
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4.15 |
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in |
1981 |
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.00 |
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in |
2000 |
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Year Precipitation |
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45.97 |
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39.41 |
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42.48 |
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+3.49 |
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61.79 |
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in |
1983 |
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24.35 |
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in |
1957 |
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Snow |
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0.0 |
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0.0 |
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0.2 |
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-0.2 |
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1.7 |
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in |
1922 |
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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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17 |
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in |
1981 |
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in |
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Month Snow |
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0.0 |
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T |
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1.0 |
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-1.0 |
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17.0 |
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in |
1981 |
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0.0 |
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in |
2021 |
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Season Snow |
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T |
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0.6 |
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1.6 |
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-1.6 |
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19.5 |
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in |
1898 |
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0.0 |
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in |
2017 |
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December
7, 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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84% |
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78% |
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85% |
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-1% |
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100% |
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in |
2004 |
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53% |
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in |
1958 |
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Minimum
Humidity |
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43% |
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59% |
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54% |
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-11% |
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95% |
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in |
2011 |
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28% |
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in |
1988 |
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Average Humidity |
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64% |
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69% |
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70% |
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-6% |
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97% |
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in |
2004 |
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46% |
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in |
1995 |
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Maximum Barometer |
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30.19 |
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29.78 |
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30.11 |
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+00.08 |
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30.66 |
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in |
1935 |
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29.45 |
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in |
1962 |
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Minimum
Barometer |
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29.73 |
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29.68 |
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29.79 |
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-00.06 |
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30.26 |
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in |
1950 |
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29.05 |
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in |
1959 |
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Average Barometer |
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29.96 |
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29.73 |
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29.95 |
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+00.01 |
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30.41 |
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in |
1950 |
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29.28 |
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in |
1959 |
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Average Wind |
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8.4 |
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6.2 |
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8.5 |
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-0.1 |
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24.4 |
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in |
1983 |
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0.6 |
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in |
2012 |
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Direction |
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WNW |
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NW |
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WNW |
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W |
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SSW |
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High Wind Gust |
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33 |
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26 |
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27 |
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+6 |
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68 |
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in |
1953 |
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7 |
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in |
1990 |
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Direction |
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WNW |
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NW |
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WNW |
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SSW |
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WNW |
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Maximum Water Temp |
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52.5 |
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50.0 |
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48.0 |
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+4.5 |
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53.8 |
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in |
2011 |
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42.8 |
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in |
2007 |
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Minimum
Water Temp |
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50.0 |
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48.7 |
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45.5 |
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+4.5 |
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52.7 |
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in |
2011 |
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40.3 |
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in |
2019 |
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Average Water Temp |
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51.3 |
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49.4 |
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46.7 |
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+4.5 |
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53.3 |
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in |
2011 |
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41.9 |
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in |
2007 |
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Sunrise/ AM Twilight |
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6:56:48 AM |
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6:27:20 AM |
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Sunset /
PM Twilight |
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4:16:57 PM |
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4:46:25 PM |
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Length Of Day |
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9:20:09 |
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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 December 7, 2021 |
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Climate Weather for December 7 |
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Weather History For December 7 |
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Weather Calendar |
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Back
To Weather Stat Page |
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Home |
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