Portsmouth Rhode Island Weather Almanac |
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Thursday,
July 29, 2021 |
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Partly
Cloudy to Cloudy and Rain PM, Breezy and Continued Cool |
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Climate Normal
Period |
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Climate Record Period |
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1991- 2020 |
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1893 - 2021 |
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July 29, 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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76 |
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87 |
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80 |
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-4 |
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92 |
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in |
1949 |
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67 |
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in |
1926 |
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Minimum
Temperature |
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60 |
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70 |
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65 |
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-5 |
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73 |
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in |
1995 |
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55 |
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in |
1977 |
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Average Temperature |
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68 |
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79 |
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73 |
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-5 |
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82 |
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in |
1949 |
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62 |
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in |
1914 |
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Month Avg Max Temperature |
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79.1 |
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83.3 |
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79.7 |
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-0.7 |
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84.8 |
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in |
1952 |
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74.0 |
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in |
1902 |
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Month
Avg Min Temperature |
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64.9 |
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67.0 |
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64.6 |
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+0.3 |
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70.0 |
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in |
2013 |
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59.3 |
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in |
1962 |
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Month Average
Temperature |
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72.3 |
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75.5 |
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72.6 |
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-0.3 |
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76.2 |
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in |
2013 |
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67.8 |
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in |
1902 |
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HDD |
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0 |
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0 |
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0 |
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+0 |
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3 |
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in |
1914 |
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0 |
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in |
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Month HDD |
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9 |
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0 |
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3 |
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+6 |
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28 |
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in |
1914 |
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0 |
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in |
2020 |
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Season HDD |
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9 |
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0 |
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3 |
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+6 |
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28 |
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in |
1914 |
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0 |
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in |
2020 |
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CDD |
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3 |
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14 |
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8 |
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-5 |
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17 |
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in |
1949 |
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0 |
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in |
2017 |
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Month CDD |
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220 |
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304 |
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219 |
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+1 |
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326 |
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in |
2013 |
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95 |
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in |
1902 |
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Year CDD |
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382 |
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437 |
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312 |
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+70 |
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463 |
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in |
2010 |
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120 |
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in |
1902 |
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Maximum Dew Point |
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67 |
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71 |
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70 |
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-3 |
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75 |
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in |
2016 |
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50 |
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in |
1968 |
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Minimum
Dew Point |
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57 |
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60 |
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61 |
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-4 |
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70 |
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in |
2007 |
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44 |
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in |
1968 |
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Average Dew Point |
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62 |
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66 |
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65 |
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-3 |
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73 |
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in |
1995 |
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47 |
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in |
1968 |
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Month Avg Max Dew Point |
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70.4 |
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71.6 |
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68.6 |
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+1.8 |
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73.4 |
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in |
2013 |
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61.9 |
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in |
1962 |
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Month
Avg Min Dew Point |
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62.0 |
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63.6 |
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60.2 |
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+1.8 |
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67.4 |
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in |
2013 |
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52.0 |
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in |
1965 |
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Month Average Dew Point |
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66.2 |
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67.6 |
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64.4 |
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+1.8 |
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70.4 |
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in |
2013 |
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57.1 |
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in |
1965 |
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Precipitation |
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.14 |
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.00 |
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.10 |
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+.04 |
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2.10 |
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in |
1897 |
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One Hour |
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.07 |
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.00 |
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.90 |
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in |
2002 |
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Hourly Rate |
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.55 |
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.00 |
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.83 |
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in |
2016 |
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Month Precipitation |
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3.77 |
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1.30 |
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2.88 |
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+.89 |
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8.73 |
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in |
2009 |
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.36 |
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in |
1952 |
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Year Precipitation |
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22.83 |
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22.32 |
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25.45 |
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-2.62 |
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41.06 |
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in |
1998 |
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14.31 |
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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 |
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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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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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July
29, 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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95% |
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94% |
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93% |
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+2% |
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100% |
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in |
2016 |
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70% |
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in |
1956 |
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Minimum
Humidity |
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58% |
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41% |
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61% |
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-3% |
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93% |
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in |
1986 |
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33% |
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in |
1968 |
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Average Humidity |
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77% |
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68% |
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77% |
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-1% |
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97% |
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in |
1986 |
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52% |
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in |
1968 |
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Maximum Barometer |
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30.06 |
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29.94 |
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30.01 |
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+00.05 |
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30.33 |
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in |
1984 |
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29.77 |
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in |
1966 |
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Minimum
Barometer |
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29.72 |
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29.86 |
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29.82 |
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-00.10 |
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30.24 |
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in |
1996 |
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29.48 |
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in |
1981 |
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Average Barometer |
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29.89 |
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29.90 |
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29.91 |
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-00.02 |
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30.28 |
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in |
1996 |
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29.65 |
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in |
1966 |
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Average Wind |
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7.7 |
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4.9 |
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5.5 |
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+2.2 |
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11.4 |
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in |
1968 |
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1.6 |
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in |
1996 |
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Direction |
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S |
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SW |
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S |
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WNW |
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SSE |
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High Wind Gust |
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26 |
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21 |
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20 |
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+6 |
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44 |
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in |
1941 |
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10 |
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in |
1991 |
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Direction |
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SW |
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SW |
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S |
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NE |
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NNE |
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High
Heat Index |
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77 |
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89 |
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82 |
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-5 |
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96 |
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in |
2019 |
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Low Wind Chill |
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#N/A |
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in |
#N/A |
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Maximum Water Temp |
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73.8 |
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69.4 |
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71.6 |
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+2.2 |
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74.6 |
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in |
2006 |
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68.5 |
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in |
2017 |
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Minimum
Water Temp |
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72.3 |
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64.0 |
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68.0 |
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+4.3 |
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72.3 |
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in |
2021 |
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60.6 |
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in |
2003 |
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Average Water Temp |
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73.1 |
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66.7 |
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69.8 |
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+3.2 |
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73.1 |
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in |
2021 |
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66.3 |
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in |
2017 |
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Sunrise/ AM Twilight |
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5:38:13 AM |
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5:06:54 AM |
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Sunset /
PM Twilight |
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8:05:11 PM |
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8:36:30 PM |
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Length Of Day |
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14:26:58 |
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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 29, 2021 |
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Climate Weather for July 29 |
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Weather History For July 29 |
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Weather Calendar |
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Back
To Weather Stat Page |
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