Portsmouth Rhode Island Weather Almanac |
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Sunday, July
21, 2024 |
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Cloudy, Very
Light Rain early, Partly Cloudy Day to Clear PM, Light Winds, Warmer |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2024 |
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July 21, 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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2023 |
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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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85 |
|
77 |
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80 |
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+5 |
|
96 |
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in |
1991 |
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68 |
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in |
1936 |
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Minimum
Temperature |
|
69 |
|
66 |
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65 |
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+4 |
|
76 |
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in |
2019 |
|
53 |
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in |
2000 |
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Average Temperature |
|
77 |
|
72 |
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73 |
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+4 |
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85 |
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in |
2019 |
|
64 |
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in |
2000 |
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Month Avg Max Temperature |
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82.2 |
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81.5 |
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79.6 |
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+2.6 |
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84.8 |
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in |
1955 |
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74.3 |
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in |
1902 |
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Month
Avg Min Temperature |
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68.7 |
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68.2 |
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64.4 |
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+4.3 |
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71.1 |
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in |
2013 |
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58.2 |
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in |
1962 |
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Month Average
Temperature |
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75.7 |
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75.1 |
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72.4 |
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+3.3 |
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77.4 |
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in |
2013 |
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67.7 |
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in |
2009 |
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High
Heat Index |
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90 |
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81 |
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83 |
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+7 |
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109 |
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in |
2019 |
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Low
Wind Chill |
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Heating Degree Days |
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0 |
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0 |
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0 |
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+0 |
|
1 |
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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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0 |
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0 |
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3 |
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-3 |
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23 |
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in |
1914 |
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0 |
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in |
2024 |
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Season
Heating DD |
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0 |
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0 |
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3 |
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-3 |
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23 |
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in |
1914 |
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0 |
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in |
2024 |
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Cooling Degree Days |
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12 |
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7 |
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8 |
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+4 |
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20 |
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in |
2019 |
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0 |
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in |
2018 |
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Month Cooling DD |
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224 |
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213 |
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155 |
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+69 |
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260 |
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in |
2013 |
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66 |
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in |
2009 |
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Year
Cooling DD |
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362 |
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289 |
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248 |
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+114 |
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374 |
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in |
2010 |
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93 |
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in |
1902 |
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Maximum Dew Point |
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71 |
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73 |
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69 |
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+2 |
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79 |
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in |
2019 |
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51 |
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in |
1965 |
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Minimum
Dew Point |
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66 |
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65 |
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61 |
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+5 |
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71 |
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in |
2022 |
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43 |
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in |
1966 |
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Average Dew Point |
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69 |
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69 |
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65 |
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+4 |
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75 |
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in |
2022 |
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48 |
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in |
1966 |
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Month Avg Max Dew Point |
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73.6 |
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74.8 |
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68.4 |
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+5.2 |
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74.8 |
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in |
2023 |
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61.1 |
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in |
1978 |
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Month
Avg Min Dew Point |
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66.1 |
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66.9 |
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59.9 |
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+6.2 |
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68.7 |
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in |
2013 |
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51.4 |
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in |
1962 |
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Month Average Dew Point |
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69.9 |
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70.8 |
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64.1 |
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+5.7 |
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71.4 |
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in |
2013 |
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56.4 |
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in |
1962 |
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Precipitation |
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.01 |
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.00 |
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.09 |
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-.08 |
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1.65 |
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in |
1973 |
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One
Hour Rain |
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.01 |
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.00 |
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.52 |
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in |
1988 |
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Half
Hour Rain |
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.01 |
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.00 |
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.13 |
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in |
2009 |
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Hourly Rain Rate |
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.00 |
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.00 |
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1.88 |
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in |
2009 |
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Month Precipitation |
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.92 |
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5.46 |
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2.09 |
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-1.17 |
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6.32 |
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in |
2009 |
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.16 |
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in |
2002 |
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Year Precipitation |
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34.87 |
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29.94 |
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24.79 |
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+10.08 |
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40.76 |
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in |
1998 |
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13.52 |
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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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July
21, 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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94% |
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99% |
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92% |
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+2% |
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100% |
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in |
2004 |
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72% |
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in |
1966 |
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Minimum
Humidity |
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54% |
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86% |
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60% |
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-6% |
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93% |
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in |
1988 |
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34% |
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in |
1991 |
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Average Humidity |
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74% |
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93% |
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76% |
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-2% |
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97% |
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in |
1988 |
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54% |
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in |
1966 |
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Maximum Barometer |
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30.05 |
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29.90 |
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30.01 |
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+00.04 |
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30.40 |
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in |
1929 |
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29.65 |
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in |
2015 |
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Minimum
Barometer |
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29.98 |
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29.73 |
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29.83 |
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+00.15 |
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30.12 |
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in |
1999 |
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29.40 |
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in |
1981 |
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Average Barometer |
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30.02 |
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29.82 |
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29.92 |
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+00.10 |
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30.16 |
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in |
1999 |
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29.55 |
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in |
1981 |
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Average
Wind |
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4.6 |
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5.5 |
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5.4 |
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-0.8 |
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11.3 |
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in |
2003 |
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1.8 |
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in |
2005 |
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Direction |
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W |
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SE |
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SW |
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S |
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SSE |
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High
Wind Gust |
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19 |
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16 |
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20 |
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-1 |
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44 |
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in |
1916 |
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10 |
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in |
1973 |
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Direction |
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S |
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S |
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SSW |
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SSE |
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NNE |
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Maximum Water Temp |
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73.9 |
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76.6 |
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71.7 |
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+2.2 |
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76.6 |
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in |
2023 |
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67.9 |
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in |
2009 |
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Minimum
Water Temp |
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70.9 |
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70.9 |
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68.2 |
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+2.7 |
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73.2 |
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in |
2010 |
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64.0 |
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in |
2020 |
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Average Water Temp |
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72.4 |
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73.8 |
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69.9 |
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+2.5 |
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74.4 |
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in |
2010 |
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66.2 |
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in |
2020 |
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Sunrise/ AM Twilight |
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5:29:46 AM |
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4:58:34 AM |
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Sunset
/ PM Twilight |
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8:12:46 PM |
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8:44:54 PM |
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Length Of Day |
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14:44:18 |
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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 July 21, 2024 |
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Climate Weather for July 21 |
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Weather History For July 21 |
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Weather Calendar |
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Back To Weather Stat Page |
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