Portsmouth Rhode Island Weather Almanac |
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Saturday,
December 30, 2023 |
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Cloudy, Dense
Fog early, Partly Cloudy Day to Mostly Cloudy PM, Continued Warm |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2023 |
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December 30, 2023 |
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Record |
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Record |
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Observed Daily Data |
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2023 |
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2022 |
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Norm |
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Depart |
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Highest |
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Lowest |
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Maximum Temperature |
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47 |
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55 |
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40 |
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+7 |
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60 |
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in |
1984 |
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5 |
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in |
1917 |
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Minimum
Temperature |
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36 |
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39 |
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27 |
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+9 |
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48 |
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in |
1948 |
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-10 |
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in |
1917 |
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Average Temperature |
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42 |
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47 |
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33 |
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+9 |
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52 |
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in |
1948 |
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-3 |
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in |
1917 |
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Month Avg Max Temperature |
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47.2 |
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42.6 |
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43.3 |
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+3.9 |
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54.1 |
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in |
2015 |
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30.3 |
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in |
1989 |
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Month Avg
Min Temperature |
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35.1 |
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29.8 |
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30.1 |
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+5.0 |
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41.5 |
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in |
2015 |
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14.3 |
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in |
1989 |
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Month Average
Temperature |
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41.4 |
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36.4 |
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36.7 |
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+4.7 |
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48.1 |
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in |
2015 |
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22.5 |
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in |
1989 |
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High Heat Index |
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#N/A |
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in |
#N/A |
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Low Wind
Chill |
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30 |
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37 |
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16 |
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+14 |
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-27 |
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in |
1917 |
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Heating Degree Days |
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23 |
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18 |
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32 |
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-9 |
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68 |
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in |
1917 |
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13 |
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in |
1948 |
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Month Heating DD |
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708 |
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857 |
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848 |
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-140 |
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1276 |
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in |
1989 |
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507 |
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in |
2015 |
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Season
Heating DD |
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1649 |
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1678 |
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1838 |
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-189 |
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2448 |
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in |
1904 |
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1302 |
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in |
2015 |
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Cooling Degree Days |
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0 |
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0 |
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0 |
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+0 |
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in |
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0 |
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in |
Many |
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Month Cooling DD |
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0 |
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0 |
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0 |
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+0 |
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3 |
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in |
2022 |
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0 |
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in |
Many |
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Year Cooling DD |
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726 |
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784 |
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609 |
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+117 |
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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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45 |
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33 |
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+10 |
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53 |
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in |
1984 |
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-3 |
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in |
1987 |
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Minimum
Dew Point |
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30 |
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35 |
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17 |
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+13 |
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42 |
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in |
1990 |
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-16 |
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in |
1962 |
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Average Dew Point |
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37 |
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40 |
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25 |
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+12 |
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47 |
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in |
1990 |
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-7 |
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in |
1987 |
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Month Avg Max Dew Point |
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40.9 |
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35.4 |
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34.1 |
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+6.8 |
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49.4 |
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in |
2015 |
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15.6 |
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in |
1989 |
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Month Avg
Min Dew Point |
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29.6 |
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21.9 |
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18.5 |
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+11.1 |
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36.1 |
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in |
2015 |
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-0.7 |
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in |
1989 |
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Month Average Dew Point |
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35.6 |
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28.9 |
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26.3 |
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+9.3 |
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43.0 |
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in |
2015 |
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7.4 |
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in |
1989 |
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Precipitation |
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.02 |
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.00 |
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.13 |
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-.11 |
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1.98 |
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in |
2019 |
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One Hour
Rain |
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.02 |
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.00 |
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.39 |
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in |
2000 |
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Half Hour
Rain |
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.01 |
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.00 |
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.20 |
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in |
2019 |
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Hourly Rain Rate |
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.00 |
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.00 |
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.62 |
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in |
2019 |
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Month Precipitation |
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5.76 |
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4.66 |
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4.40 |
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+1.36 |
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9.45 |
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in |
1936 |
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.58 |
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in |
1955 |
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Year Precipitation |
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54.81 |
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42.47 |
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45.83 |
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+8.98 |
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65.49 |
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in |
1983 |
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27.66 |
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in |
1965 |
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Snow |
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0.0 |
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0.0 |
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0.3 |
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-0.3 |
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5.8 |
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in |
1993 |
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Snow
Depth |
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0 |
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0 |
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1 |
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-1 |
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15 |
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in |
1947 |
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Month Snow |
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0.1 |
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1.5 |
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6.2 |
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-6.1 |
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22.3 |
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in |
1904 |
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T |
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in |
2011 |
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Season Snow |
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0.1 |
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0.1 |
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6.8 |
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+6.8 |
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23.7 |
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in |
1904 |
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T |
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in |
1999 |
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December 30, 2023 |
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Record |
Record |
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Observed Daily Data |
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2023 |
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2022 |
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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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96% |
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86% |
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+13% |
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100% |
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in |
2005 |
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38% |
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in |
1949 |
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Minimum
Humidity |
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78% |
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52% |
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53% |
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+25% |
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96% |
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in |
1992 |
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16% |
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in |
1994 |
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Average Humidity |
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89% |
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74% |
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69% |
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+19% |
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98% |
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in |
1992 |
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30% |
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in |
1994 |
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Maximum Barometer |
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29.75 |
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30.30 |
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30.15 |
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-00.40 |
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30.68 |
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in |
2006 |
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29.33 |
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in |
1997 |
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Minimum
Barometer |
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29.50 |
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30.20 |
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29.81 |
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-00.31 |
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30.40 |
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in |
1972 |
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28.89 |
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in |
1997 |
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Average Barometer |
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29.63 |
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30.25 |
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29.98 |
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-00.35 |
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30.50 |
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in |
1978 |
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29.11 |
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in |
1997 |
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Average
Wind |
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6.3 |
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6.1 |
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8.5 |
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-2.2 |
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25.7 |
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in |
1962 |
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2.2 |
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in |
2004 |
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Direction |
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W |
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SSW |
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NW |
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NW |
N |
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High Wind
Gust |
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23 |
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20 |
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26 |
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-3 |
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70 |
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in |
1962 |
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11 |
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in |
2021 |
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Direction |
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WNW |
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SSW |
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WNW |
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NW |
NNW |
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Maximum Water Temp |
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47.8 |
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43.5 |
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43.5 |
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+4.3 |
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48.9 |
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in |
2006 |
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37.8 |
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in |
2017 |
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Minimum
Water Temp |
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46.6 |
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41.9 |
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41.0 |
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+5.6 |
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46.6 |
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in |
2023 |
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33.6 |
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in |
2017 |
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Average Water Temp |
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47.2 |
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42.7 |
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42.3 |
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+4.9 |
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47.4 |
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in |
2021 |
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35.7 |
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in |
2017 |
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Sunrise/ AM Twilight |
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7:11:21 AM |
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6:41:48 AM |
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Sunset /
PM Twilight |
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4:23:49 PM |
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4:53:50 PM |
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Length Of Day |
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9:12:28 |
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Special Conditions |
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Dense Fog |
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Comments |
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Hour-by-Hour Weather For December 30, 2023 |
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Climate Weather for December 30 |
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Weather History For December 30 |
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Weather Calendar |
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Back To Weather Stat Page |
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