Portsmouth Rhode Island Weather Almanac |
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Saturday,
September 7, 2024 |
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Partly
Cloudy to Cloudy, Light Rain PM, Seasonal Temperatures |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2024 |
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September 7, 2024 |
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Record |
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Record |
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Observed Daily Data |
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2024 |
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2024 |
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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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76 |
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90 |
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75 |
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+1 |
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93 |
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in |
1983 |
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63 |
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in |
1940 |
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Minimum
Temperature |
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58 |
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70 |
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60 |
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-2 |
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71 |
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in |
1999 |
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43 |
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in |
1962 |
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Average Temperature |
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67 |
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80 |
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67 |
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+0 |
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82 |
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in |
1983 |
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57 |
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in |
2000 |
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Month Avg Max Temperature |
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76.6 |
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83.6 |
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75.7 |
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+0.9 |
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85.6 |
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in |
1898 |
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67.6 |
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in |
1994 |
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Month
Avg Min Temperature |
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58.1 |
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64.1 |
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60.7 |
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-2.6 |
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70.4 |
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in |
1898 |
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51.4 |
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in |
1893 |
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Month Average
Temperature |
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67.6 |
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74.0 |
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68.1 |
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-0.6 |
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78.3 |
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in |
1898 |
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61.0 |
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in |
1994 |
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High
Heat Index |
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77 |
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102 |
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77 |
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+0 |
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102 |
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in |
2023 |
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Low
Wind Chill |
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42 |
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in |
1984 |
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Heating Degree Days |
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0 |
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0 |
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1 |
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-1 |
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8 |
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in |
2000 |
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0 |
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in |
2024 |
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Month Heating DD |
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2 |
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1 |
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7 |
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-5 |
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32 |
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in |
1994 |
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0 |
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in |
2021 |
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Season
Heating DD |
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4 |
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1 |
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14 |
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-10 |
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48 |
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in |
1994 |
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0 |
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in |
2021 |
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Cooling Degree Days |
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2 |
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15 |
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3 |
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-1 |
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17 |
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in |
1983 |
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0 |
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in |
2019 |
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Month Cooling DD |
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20 |
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64 |
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27 |
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-7 |
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93 |
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in |
1898 |
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0 |
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in |
1976 |
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Year Cooling DD |
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666 |
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636 |
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564 |
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+102 |
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812 |
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in |
2020 |
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273 |
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in |
1902 |
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Maximum Dew Point |
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65 |
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78 |
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65 |
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+0 |
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78 |
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in |
2023 |
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47 |
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in |
1984 |
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Minimum
Dew Point |
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56 |
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70 |
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55 |
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+1 |
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70 |
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in |
2023 |
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38 |
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in |
1984 |
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Average Dew Point |
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61 |
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74 |
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60 |
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+1 |
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74 |
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in |
2023 |
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43 |
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in |
1984 |
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Month Avg Max Dew Point |
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64.3 |
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72.0 |
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65.3 |
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-1.0 |
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72.6 |
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in |
2014 |
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53.3 |
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in |
1984 |
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Month
Avg Min Dew Point |
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53.9 |
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62.6 |
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56.3 |
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-2.4 |
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64.9 |
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in |
1973 |
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43.4 |
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in |
1984 |
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Month Average Dew Point |
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59.3 |
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67.4 |
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60.7 |
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-1.4 |
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68.6 |
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in |
1973 |
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48.4 |
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in |
1984 |
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Precipitation |
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.10 |
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.00 |
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.12 |
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-.02 |
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1.36 |
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in |
1996 |
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One
Hour Rain |
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.06 |
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.00 |
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.42 |
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in |
1974 |
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Half
Hour Rain |
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.05 |
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.00 |
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.18 |
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in |
2008 |
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Hourly Rain Rate |
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.82 |
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.00 |
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1.99 |
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in |
2017 |
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Month Precipitation |
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.16 |
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.00 |
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.78 |
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-.62 |
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6.53 |
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in |
2021 |
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.00 |
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in |
2015 |
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Year Precipitation |
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40.85 |
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35.62 |
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30.19 |
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+10.66 |
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45.84 |
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in |
1998 |
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16.55 |
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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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0.0 |
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+0.0 |
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0.0 |
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in |
1900 |
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Snow Depth |
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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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Month Snow |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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in |
#N/A |
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#N/A |
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in |
Many |
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Season Snow |
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September
7, 2024 |
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Record |
Record |
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Observed Daily Data |
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2024 |
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2023 |
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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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95% |
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99% |
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92% |
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+3% |
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100% |
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in |
2017 |
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71% |
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in |
1952 |
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Minimum
Humidity |
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60% |
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64% |
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58% |
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+2% |
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94% |
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in |
2011 |
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30% |
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in |
1980 |
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Average Humidity |
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78% |
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82% |
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75% |
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+2% |
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96% |
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in |
2011 |
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58% |
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in |
1967 |
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Maximum Barometer |
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29.97 |
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29.89 |
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30.10 |
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-00.13 |
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30.45 |
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in |
1984 |
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29.75 |
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in |
1951 |
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Minimum
Barometer |
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29.78 |
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29.74 |
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29.90 |
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-00.12 |
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30.22 |
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in |
1984 |
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29.39 |
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in |
2008 |
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Average Barometer |
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29.88 |
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29.82 |
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30.00 |
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-00.13 |
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30.34 |
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in |
1984 |
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29.64 |
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in |
1979 |
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Average
Wind |
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6.5 |
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4.4 |
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5.9 |
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+0.6 |
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13.3 |
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in |
2019 |
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0.9 |
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in |
1989 |
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Direction |
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S |
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SSW |
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SSW |
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N |
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SSE |
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High
Wind Gust |
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22 |
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17 |
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21 |
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+1 |
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48 |
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in |
1958 |
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10 |
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in |
1992 |
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Direction |
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NW |
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S |
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SSW |
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SW |
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SSE |
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Maximum Water Temp |
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68.4 |
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74.3 |
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70.4 |
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-2.0 |
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74.3 |
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in |
2023 |
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66.2 |
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in |
2017 |
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Minimum
Water Temp |
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67.1 |
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71.2 |
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68.0 |
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-0.9 |
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71.7 |
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in |
2018 |
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64.5 |
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in |
2017 |
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Average Water Temp |
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67.8 |
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72.8 |
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69.2 |
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-1.5 |
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72.9 |
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in |
2018 |
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65.4 |
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in |
2017 |
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Sunrise/ AM Twilight |
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6:17:46 AM |
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5:49:55 AM |
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Sunset
/ PM Twilight |
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7:07:10 PM |
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7:36:19 PM |
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Length Of Day |
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12:49:24 |
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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 September 7, 2024 |
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Climate Weather for September 7 |
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Weather History For September 7 |
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Weather Calendar |
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Back To Weather Stat Page |
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