Portsmouth Rhode Island Weather Almanac |
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Wednesday,
August 21, 2024 |
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Clear, Low
Humidty, Cooler |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2024 |
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August 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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73 |
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85 |
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78 |
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-5 |
|
92 |
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in |
1955 |
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64 |
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in |
1956 |
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Minimum
Temperature |
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55 |
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67 |
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63 |
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-8 |
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74 |
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in |
2009 |
|
50 |
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in |
1913 |
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Average Temperature |
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64 |
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76 |
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71 |
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-7 |
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82 |
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in |
1955 |
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60 |
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in |
1956 |
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Month Avg Max Temperature |
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79.6 |
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78.9 |
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79.0 |
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+0.6 |
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84.6 |
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in |
1937 |
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72.6 |
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in |
1964 |
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Month
Avg Min Temperature |
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64.5 |
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64.3 |
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64.3 |
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+0.2 |
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69.5 |
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in |
2018 |
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55.9 |
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in |
1964 |
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Month Average
Temperature |
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72.3 |
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71.9 |
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71.7 |
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+0.6 |
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76.9 |
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in |
1937 |
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64.6 |
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in |
1964 |
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High
Heat Index |
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73 |
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93 |
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79 |
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-6 |
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100 |
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in |
1955 |
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Low
Wind Chill |
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49 |
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in |
1913 |
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Heating Degree Days |
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1 |
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0 |
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0 |
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+1 |
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5 |
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in |
1956 |
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0 |
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in |
2023 |
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Month Heating DD |
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2 |
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0 |
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0 |
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+2 |
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26 |
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in |
1964 |
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0 |
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in |
2023 |
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Season
Heating DD |
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2 |
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0 |
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3 |
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-1 |
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34 |
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in |
1914 |
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0 |
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in |
2023 |
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Cooling Degree Days |
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0 |
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11 |
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6 |
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-6 |
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17 |
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in |
1955 |
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0 |
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in |
2024 |
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Month Cooling DD |
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155 |
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144 |
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151 |
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+4 |
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250 |
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in |
1937 |
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17 |
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in |
1964 |
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Year Cooling DD |
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597 |
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528 |
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479 |
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+118 |
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681 |
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in |
2020 |
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210 |
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in |
1902 |
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Maximum Dew Point |
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61 |
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75 |
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68 |
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-7 |
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77 |
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in |
2009 |
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46 |
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in |
1969 |
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Minimum
Dew Point |
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51 |
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64 |
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59 |
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-8 |
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73 |
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in |
2009 |
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38 |
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in |
1982 |
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Average Dew Point |
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56 |
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70 |
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63 |
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-7 |
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75 |
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in |
2009 |
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43 |
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in |
1969 |
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Month Avg Max Dew Point |
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71.7 |
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69.2 |
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68.6 |
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+3.1 |
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73.1 |
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in |
2018 |
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57.9 |
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in |
1964 |
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Month
Avg Min Dew Point |
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62.3 |
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59.9 |
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60.4 |
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+1.9 |
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66.9 |
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in |
2018 |
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47.4 |
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in |
1964 |
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Month Average Dew Point |
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67.0 |
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64.5 |
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64.4 |
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+2.5 |
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70.0 |
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in |
2018 |
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52.6 |
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in |
1964 |
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Precipitation |
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.00 |
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.00 |
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.12 |
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-.12 |
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1.97 |
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in |
1997 |
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One
Hour Rain |
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.00 |
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.00 |
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.88 |
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in |
1994 |
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Half
Hour Rain |
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.00 |
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.00 |
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.27 |
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in |
2004 |
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Hourly Rain Rate |
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.00 |
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.00 |
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2.17 |
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in |
2004 |
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Month Precipitation |
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2.22 |
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4.15 |
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2.51 |
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-.29 |
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9.62 |
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in |
1946 |
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.16 |
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in |
1993 |
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Year Precipitation |
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40.49 |
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34.40 |
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28.29 |
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+12.20 |
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43.94 |
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in |
1983 |
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15.70 |
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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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August
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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93% |
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98% |
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92% |
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+1% |
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100% |
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in |
2004 |
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58% |
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in |
1983 |
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Minimum
Humidity |
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63% |
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68% |
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59% |
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+4% |
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95% |
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in |
1961 |
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29% |
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in |
1987 |
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Average Humidity |
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78% |
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83% |
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76% |
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+2% |
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98% |
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in |
1961 |
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48% |
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in |
1983 |
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Maximum Barometer |
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30.05 |
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30.05 |
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30.08 |
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-00.03 |
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30.40 |
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in |
1926 |
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29.82 |
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in |
1955 |
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Minimum
Barometer |
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29.93 |
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29.96 |
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29.88 |
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+00.05 |
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30.21 |
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in |
2000 |
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29.54 |
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in |
1988 |
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Average Barometer |
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29.99 |
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30.01 |
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29.98 |
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+00.01 |
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30.27 |
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in |
1974 |
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29.72 |
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in |
1971 |
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Average
Wind |
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5.9 |
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3.4 |
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5.6 |
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+0.3 |
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14.0 |
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in |
1980 |
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1.6 |
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in |
1965 |
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Direction |
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WNW |
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WNW |
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SSW |
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NE |
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SE |
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High
Wind Gust |
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20 |
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13 |
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20 |
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+0 |
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46 |
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in |
1997 |
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10 |
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in |
1998 |
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Direction |
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SSW |
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WNW |
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SSW |
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ESE |
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W |
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Maximum Water Temp |
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70.2 |
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72.0 |
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71.4 |
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-1.2 |
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78.1 |
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in |
2003 |
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66.4 |
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in |
2020 |
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Minimum
Water Temp |
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68.5 |
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69.3 |
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68.7 |
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-0.2 |
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73.2 |
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in |
2022 |
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64.1 |
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in |
2008 |
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Average Water Temp |
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69.4 |
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70.7 |
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70.1 |
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-0.7 |
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74.1 |
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in |
2022 |
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65.3 |
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in |
2020 |
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Sunrise/ AM Twilight |
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6:00:29 AM |
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4:58:34 AM |
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Sunset
/ PM Twilight |
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7:34:51 PM |
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8:44:54 PM |
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Length Of Day |
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13:34:22 |
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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 August 21, 2024 |
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Climate Weather for August 21 |
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Weather History For August 21 |
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Weather Calendar |
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Back To Weather Stat Page |
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