Portsmouth Rhode Island Weather Almanac |
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Sunday,
December 18, 2022 |
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Cloudy early
then Partly Cloudy, Breezy and Cooler |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2022 |
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December 18, 2022 |
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Record |
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Record |
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Observed Daily Data |
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2022 |
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2021 |
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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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41 |
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43 |
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43 |
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-2 |
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60 |
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in |
1984 |
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11 |
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in |
1919 |
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Minimum
Temperature |
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32 |
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37 |
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29 |
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+3 |
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47 |
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in |
1996 |
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-3 |
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in |
1919 |
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Average Temperature |
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37 |
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40 |
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36 |
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+1 |
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50 |
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in |
2012 |
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4 |
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in |
1919 |
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Month Avg Max Temperature |
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44.5 |
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50.1 |
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44.7 |
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-0.2 |
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54.6 |
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in |
2015 |
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30.7 |
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in |
1904 |
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Month Avg
Min Temperature |
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33.4 |
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36.4 |
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31.6 |
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+1.8 |
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41.8 |
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in |
2015 |
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16.4 |
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in |
1989 |
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Month Average
Temperature |
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39.2 |
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43.4 |
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38.0 |
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+1.2 |
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48.5 |
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in |
2015 |
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25.1 |
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in |
1904 |
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High Heat Index |
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Low Wind
Chill |
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22 |
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33 |
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15 |
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+7 |
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-15 |
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in |
1919 |
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Heating Degree Days |
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28 |
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25 |
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29 |
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-1 |
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61 |
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in |
1919 |
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15 |
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in |
2012 |
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Month HDD |
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464 |
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388 |
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485 |
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-21 |
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719 |
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in |
1904 |
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297 |
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in |
2015 |
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Season
HDD |
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1285 |
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1182 |
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1475 |
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-190 |
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2031 |
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in |
1904 |
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1092 |
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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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#REF! |
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#REF! |
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0 |
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in |
2022 |
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0 |
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in |
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Month CDD |
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in |
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Year CDD |
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777 |
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795 |
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609 |
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+168 |
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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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30 |
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41 |
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35 |
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-5 |
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54 |
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in |
2016 |
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4 |
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in |
2009 |
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Minimum
Dew Point |
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23 |
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25 |
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20 |
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+3 |
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47 |
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in |
1996 |
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-10 |
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in |
1979 |
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Average Dew Point |
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27 |
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33 |
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28 |
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-1 |
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50 |
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in |
1996 |
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-1 |
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in |
1979 |
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Month Avg Max Dew Point |
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38.8 |
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42.9 |
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35.9 |
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+3.0 |
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49.3 |
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in |
2015 |
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18.1 |
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in |
1989 |
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Month Avg
Min Dew Point |
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25.2 |
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24.0 |
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20.7 |
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+4.4 |
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37.4 |
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in |
2015 |
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-0.4 |
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in |
1989 |
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Month Average Dew Point |
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32.3 |
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33.7 |
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28.3 |
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+4.0 |
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43.6 |
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in |
2015 |
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8.8 |
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in |
1989 |
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Precipitation |
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.00 |
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.16 |
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.15 |
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-.15 |
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1.46 |
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in |
1954 |
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One Hour |
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.00 |
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.03 |
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.44 |
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in |
1954 |
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Hourly Rate |
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.00 |
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.05 |
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.57 |
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in |
2012 |
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Month Precipitation |
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3.55 |
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.87 |
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2.71 |
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+.84 |
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7.74 |
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in |
1936 |
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.27 |
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in |
1998 |
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Year Precipitation |
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41.36 |
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46.45 |
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44.14 |
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-2.78 |
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63.81 |
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in |
1983 |
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27.14 |
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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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0.2 |
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-0.2 |
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6.6 |
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in |
1904 |
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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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12 |
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in |
1904 |
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in |
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Month Snow |
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1.5 |
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0.2 |
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3.2 |
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-1.7 |
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21.3 |
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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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1.5 |
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0.2 |
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3.8 |
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-2.3 |
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21.3 |
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in |
1981 |
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0.0 |
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in |
2015 |
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December 18, 2022 |
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Record |
Record |
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Observed Daily Data |
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2022 |
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2021 |
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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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98% |
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85% |
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-1% |
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100% |
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in |
2017 |
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51% |
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in |
1978 |
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Minimum
Humidity |
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52% |
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51% |
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54% |
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-2% |
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96% |
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in |
1996 |
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26% |
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in |
2002 |
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Average Humidity |
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68% |
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75% |
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69% |
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-1% |
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98% |
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in |
1996 |
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43% |
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in |
1978 |
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Maximum Barometer |
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29.96 |
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30.20 |
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30.14 |
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-00.18 |
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30.59 |
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in |
1957 |
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29.59 |
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in |
2001 |
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Minimum
Barometer |
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29.76 |
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29.76 |
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29.79 |
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-00.03 |
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30.38 |
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in |
1957 |
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29.14 |
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in |
2001 |
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Average Barometer |
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29.86 |
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29.98 |
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29.97 |
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-00.11 |
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30.49 |
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in |
1957 |
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29.37 |
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in |
2001 |
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Average
Wind |
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9.4 |
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4.6 |
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8.6 |
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+0.8 |
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20.4 |
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in |
2018 |
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1.5 |
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in |
1967 |
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Direction |
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WNW |
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NE |
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WNW |
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NW |
ESE |
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High
Wind Gust |
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23 |
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15 |
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27 |
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-4 |
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52 |
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in |
1956 |
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9 |
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in |
1967 |
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Direction |
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NW |
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NNE |
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WNW |
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WNW |
ESE |
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Maximum Water Temp |
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46.9 |
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49.5 |
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45.7 |
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+1.2 |
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51.5 |
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in |
2011 |
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39.9 |
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in |
2007 |
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Minimum
Water Temp |
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45.3 |
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47.8 |
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43.4 |
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+1.9 |
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50.2 |
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in |
2015 |
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37.5 |
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in |
2007 |
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Average Water Temp |
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46.1 |
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48.7 |
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44.6 |
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+1.5 |
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50.4 |
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in |
2015 |
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38.7 |
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in |
2007 |
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Sunrise/ AM Twilight |
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7:06:34 AM |
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6:36:58 AM |
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Sunset /
PM Twilight |
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4:16:50 PM |
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4:46:41 PM |
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Length Of Day |
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9:10:16 |
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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 18, 2022 |
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Climate Weather for December 18 |
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Weather History For December 18 |
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Weather Calendar |
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Back
To Weather Stat Page |
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Home |
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