Portsmouth Rhode Island Weather Almanac |
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Wednesday,
September 8, 2021 |
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Partly
Cloudy early, Clear Day to Mostly Cloudy PM, Breezy, Warmer & Humid |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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September 8, 2021 |
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Record |
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Record |
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Observed Daily Data |
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2021 |
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2020 |
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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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80 |
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81 |
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74 |
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+6 |
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88 |
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in |
1945 |
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62 |
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in |
1932 |
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Minimum
Temperature |
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65 |
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63 |
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59 |
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+6 |
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70 |
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in |
2015 |
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46 |
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in |
1952 |
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Average Temperature |
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73 |
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72 |
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67 |
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+6 |
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79 |
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in |
2015 |
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56 |
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in |
1952 |
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Month Avg Max Temperature |
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76.1 |
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79.5 |
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75.5 |
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+0.6 |
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85.0 |
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in |
1983 |
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68.3 |
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in |
1994 |
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Month Avg
Min Temperature |
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61.0 |
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63.4 |
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60.5 |
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+0.5 |
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69.3 |
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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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68.9 |
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71.6 |
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68.0 |
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+0.9 |
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76.8 |
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in |
1898 |
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61.4 |
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in |
1994 |
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High
Heat Index |
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83 |
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84 |
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75 |
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+8 |
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93 |
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in |
2015 |
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Low Wind Chill |
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#N/A |
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in |
#N/A |
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HDD |
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0 |
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0 |
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1 |
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-1 |
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9 |
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in |
1952 |
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0 |
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in |
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Month HDD |
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0 |
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0 |
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8 |
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-8 |
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33 |
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in |
1994 |
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0 |
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in |
2021 |
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Season HDD |
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9 |
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0 |
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15 |
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-6 |
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49 |
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in |
1994 |
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0 |
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in |
2020 |
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CDD |
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8 |
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7 |
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3 |
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+5 |
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14 |
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in |
2015 |
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0 |
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in |
2018 |
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Month CDD |
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31 |
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53 |
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30 |
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+1 |
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94 |
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in |
1898 |
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0 |
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in |
1893 |
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Year CDD |
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714 |
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819 |
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567 |
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+147 |
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819 |
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in |
2020 |
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276 |
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in |
1902 |
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Maximum Dew Point |
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71 |
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70 |
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64 |
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+7 |
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74 |
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in |
2012 |
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48 |
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in |
1980 |
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Minimum
Dew Point |
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63 |
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62 |
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55 |
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+8 |
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69 |
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in |
2004 |
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37 |
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in |
1955 |
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Average Dew Point |
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67 |
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66 |
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60 |
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+7 |
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71 |
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in |
2004 |
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44 |
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in |
1980 |
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Month Avg Max Dew Point |
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65.9 |
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67.6 |
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65.1 |
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+0.8 |
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71.3 |
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in |
2014 |
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52.9 |
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in |
1984 |
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Month Avg
Min Dew Point |
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56.9 |
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57.6 |
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56.1 |
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+0.8 |
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64.3 |
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in |
1959 |
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43.6 |
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in |
1984 |
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Month Average Dew Point |
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61.6 |
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62.8 |
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60.6 |
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+1.0 |
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67.4 |
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in |
1959 |
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48.3 |
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in |
1984 |
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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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1.84 |
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in |
2011 |
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One Hour |
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.00 |
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.00 |
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.69 |
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in |
2011 |
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Hourly Rate |
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.00 |
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.00 |
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5.94 |
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in |
2011 |
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Month Precipitation |
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6.53 |
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.39 |
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.90 |
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+5.63 |
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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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35.63 |
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24.42 |
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30.18 |
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+5.45 |
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46.33 |
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in |
1998 |
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16.94 |
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in |
1957 |
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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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Snow Depth |
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#N/A |
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#N/A |
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#N/A |
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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 |
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Season 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 |
#N/A |
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September
8, 2021 |
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Record |
Record |
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Observed Daily Data |
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2021 |
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2020 |
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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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97% |
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98% |
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92% |
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+5% |
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100% |
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in |
2006 |
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60% |
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in |
1983 |
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Minimum
Humidity |
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72% |
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65% |
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59% |
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+13% |
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96% |
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in |
1993 |
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30% |
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in |
1980 |
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Average Humidity |
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85% |
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82% |
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75% |
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+9% |
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98% |
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in |
1993 |
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48% |
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in |
1983 |
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Maximum Barometer |
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29.96 |
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30.24 |
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30.12 |
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-00.16 |
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30.54 |
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in |
1984 |
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29.59 |
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in |
1998 |
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Minimum
Barometer |
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29.86 |
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30.10 |
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29.93 |
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-00.07 |
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30.27 |
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in |
1984 |
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29.47 |
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in |
1998 |
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Average Barometer |
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29.91 |
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30.17 |
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30.03 |
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-00.12 |
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30.41 |
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in |
1984 |
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29.53 |
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in |
1998 |
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Average Wind |
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8.2 |
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3.4 |
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5.5 |
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+2.7 |
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10.2 |
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in |
1981 |
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1.0 |
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in |
1989 |
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Direction |
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S |
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S |
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S |
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S |
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SW |
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High Wind Gust |
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26 |
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15 |
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20 |
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+6 |
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47 |
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in |
1932 |
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11 |
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in |
2009 |
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Direction |
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SW |
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S |
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SW |
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N |
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WNW |
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Maximum Water Temp |
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71.8 |
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72.1 |
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70.2 |
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+1.6 |
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74.3 |
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in |
2015 |
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66.2 |
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in |
2017 |
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Minimum
Water Temp |
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69.4 |
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69.4 |
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67.9 |
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+1.5 |
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72.2 |
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in |
2012 |
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64.3 |
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in |
2017 |
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Average Water Temp |
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70.6 |
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70.8 |
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69.1 |
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+1.5 |
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73.1 |
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in |
2012 |
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65.3 |
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in |
2017 |
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Sunrise/ AM Twilight |
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6:17:36 AM |
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5:50:58 AM |
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Sunset /
PM Twilight |
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7:07:57 PM |
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7:34:34 PM |
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Length Of Day |
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12:50:21 |
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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 September 8, 2021 |
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Climate Weather for September 8 |
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Weather History For September 8 |
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Weather Calendar |
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Back
To Weather Stat Page |
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