Portsmouth Rhode Island Weather Almanac |
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Saturday,
December 17, 2022 |
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Cloudy,
Light Rain & Fog early, Mostly Cloudy Day to Partly Cloudy PM, Windy 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 17, 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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44 |
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59 |
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43 |
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+1 |
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59 |
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in |
2021 |
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18 |
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in |
1932 |
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Minimum
Temperature |
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35 |
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43 |
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30 |
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+5 |
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44 |
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in |
1996 |
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-1 |
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in |
1942 |
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Average Temperature |
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40 |
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51 |
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36 |
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+4 |
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51 |
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in |
2021 |
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10 |
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in |
1919 |
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Month Avg Max Temperature |
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44.7 |
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50.5 |
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44.8 |
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-0.1 |
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54.6 |
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in |
2015 |
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30.5 |
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in |
1904 |
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Month Avg
Min Temperature |
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33.5 |
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36.4 |
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31.7 |
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+1.8 |
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42.0 |
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in |
2015 |
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16.5 |
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in |
1989 |
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Month Average
Temperature |
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39.4 |
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43.6 |
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38.1 |
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+1.2 |
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48.6 |
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in |
2015 |
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24.8 |
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in |
1904 |
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High Heat Index |
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Low Wind
Chill |
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27 |
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40 |
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17 |
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+10 |
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-12 |
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in |
1942 |
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Heating Degree Days |
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25 |
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14 |
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29 |
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-4 |
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55 |
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in |
1919 |
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14 |
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in |
2021 |
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Month HDD |
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436 |
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363 |
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456 |
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-20 |
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683 |
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in |
1904 |
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279 |
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in |
2015 |
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Season
HDD |
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1257 |
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1157 |
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1446 |
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-189 |
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1995 |
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in |
1904 |
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1074 |
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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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43 |
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51 |
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36 |
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+7 |
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58 |
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in |
1973 |
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2 |
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in |
1951 |
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Minimum
Dew Point |
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28 |
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19 |
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20 |
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+8 |
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43 |
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in |
1996 |
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-12 |
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in |
1979 |
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Average Dew Point |
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36 |
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35 |
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28 |
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+8 |
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48 |
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in |
1996 |
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-2 |
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in |
1951 |
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Month Avg Max Dew Point |
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39.4 |
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43.1 |
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36.0 |
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+3.3 |
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49.1 |
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in |
2015 |
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18.4 |
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in |
1989 |
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Month Avg
Min Dew Point |
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25.3 |
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23.9 |
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20.9 |
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+4.4 |
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37.6 |
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in |
2015 |
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-0.8 |
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in |
1989 |
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Month Average Dew Point |
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32.6 |
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33.7 |
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28.5 |
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+4.1 |
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43.5 |
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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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.04 |
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.00 |
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.15 |
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-.11 |
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3.13 |
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in |
1973 |
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One Hour |
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.01 |
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.00 |
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.95 |
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in |
2000 |
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Hourly Rate |
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.00 |
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.00 |
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.67 |
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in |
2015 |
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Month Precipitation |
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3.55 |
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.71 |
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2.56 |
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+.99 |
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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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46.29 |
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43.99 |
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-2.63 |
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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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6.1 |
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in |
2020 |
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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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3.0 |
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-1.5 |
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20.6 |
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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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3.6 |
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-2.1 |
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21.1 |
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in |
1898 |
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0.0 |
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in |
2015 |
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December 17, 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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99% |
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92% |
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86% |
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+13% |
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100% |
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in |
2016 |
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60% |
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in |
2009 |
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Minimum
Humidity |
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69% |
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22% |
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56% |
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+13% |
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94% |
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in |
1996 |
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22% |
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in |
2021 |
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Average Humidity |
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84% |
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57% |
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71% |
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+13% |
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97% |
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in |
1996 |
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50% |
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in |
1953 |
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Maximum Barometer |
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29.76 |
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30.15 |
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30.12 |
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-00.36 |
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30.68 |
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in |
1899 |
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29.64 |
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in |
1976 |
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Minimum
Barometer |
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29.39 |
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29.80 |
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29.76 |
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-00.37 |
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30.32 |
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in |
1949 |
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28.93 |
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in |
1970 |
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Average Barometer |
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29.58 |
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29.98 |
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29.94 |
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-00.37 |
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30.42 |
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in |
1949 |
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29.39 |
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in |
1973 |
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Average
Wind |
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12.3 |
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8.5 |
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8.5 |
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+3.8 |
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19.7 |
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in |
2000 |
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1.2 |
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in |
1962 |
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Direction |
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WNW |
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WNW |
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WNW |
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SSE |
NNE |
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High
Wind Gust |
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29 |
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30 |
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26 |
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+3 |
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53 |
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in |
2000 |
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10 |
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in |
1962 |
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Direction |
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WNW |
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WSW |
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WNW |
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WSW |
NNW |
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Maximum Water Temp |
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49.1 |
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49.8 |
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45.9 |
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+3.2 |
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52.3 |
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in |
2011 |
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41.3 |
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in |
2013 |
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Minimum
Water Temp |
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46.9 |
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49.3 |
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43.5 |
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+3.4 |
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49.6 |
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in |
2015 |
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38.4 |
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in |
2010 |
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Average Water Temp |
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48.0 |
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49.6 |
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44.7 |
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+3.3 |
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50.5 |
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in |
2011 |
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40.2 |
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in |
2013 |
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Sunrise/ AM Twilight |
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7:05:57 AM |
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6:36:22 AM |
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Sunset /
PM Twilight |
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4:16:28 PM |
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4:46:17 PM |
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Length Of Day |
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9:10:31 |
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Special Conditions |
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Fog |
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Comments |
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Hour-by-Hour Weather For December 17, 2022 |
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Climate Weather for December 17 |
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Weather History For December 17 |
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Weather Calendar |
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Back
To Weather Stat Page |
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Home |
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