Portsmouth Rhode Island Weather Almanac |
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Thursday,
August 19, 2021 |
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Mostly Cloudy & Heavy Shower early, Cloudy Day to Mostly
Cloudy PM, Windy, Warm & Muggy, Remnants of TS Fred |
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Climate Normal Period |
Climate
Record Period |
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1991 - 2020 |
1893 -
2021 |
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August 19, 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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78 |
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80 |
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78 |
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+0 |
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89 |
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in |
2002 |
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64 |
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in |
1927 |
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Minimum
Temperature |
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71 |
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62 |
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63 |
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+8 |
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72 |
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in |
1956 |
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51 |
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in |
2007 |
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Average Temperature |
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75 |
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71 |
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71 |
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+4 |
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80 |
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in |
2002 |
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61 |
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in |
2007 |
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Month Avg Max Temperature |
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80.6 |
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83.3 |
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79.1 |
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+1.5 |
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84.6 |
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in |
1944 |
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72.4 |
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in |
1964 |
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Month Avg Min Temperature |
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65.9 |
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67.9 |
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64.4 |
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+1.5 |
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70.5 |
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in |
1988 |
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56.0 |
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in |
1964 |
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Month Average
Temperature |
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73.6 |
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75.8 |
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71.7 |
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+1.8 |
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77.5 |
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in |
1988 |
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64.5 |
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in |
1964 |
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High
Heat Index |
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84 |
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81 |
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79 |
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+5 |
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95 |
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in |
2009 |
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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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0 |
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+0 |
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4 |
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in |
2007 |
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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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0 |
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+0 |
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24 |
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in |
1964 |
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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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3 |
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+6 |
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34 |
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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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10 |
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6 |
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6 |
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+4 |
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15 |
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in |
2002 |
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0 |
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in |
2014 |
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Month CDD |
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163 |
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205 |
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139 |
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+24 |
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237 |
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in |
1988 |
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15 |
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in |
1964 |
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Year CDD |
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553 |
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669 |
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467 |
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+86 |
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669 |
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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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77 |
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65 |
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68 |
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+9 |
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77 |
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in |
2021 |
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51 |
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in |
1975 |
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Minimum
Dew Point |
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70 |
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57 |
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59 |
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+11 |
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71 |
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in |
2015 |
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45 |
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in |
1975 |
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Average Dew Point |
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74 |
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61 |
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64 |
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+10 |
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74 |
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in |
2021 |
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48 |
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in |
1975 |
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Month Avg Max Dew Point |
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71.2 |
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71.5 |
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68.6 |
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+2.5 |
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73.9 |
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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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62.8 |
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63.7 |
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60.5 |
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+2.3 |
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67.6 |
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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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67.6 |
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64.6 |
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+2.4 |
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70.7 |
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in |
2018 |
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52.7 |
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in |
1964 |
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Precipitation |
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.19 |
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.11 |
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.12 |
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+.07 |
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3.28 |
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in |
1955 |
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One Hour |
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.19 |
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.08 |
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1.95 |
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in |
1955 |
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Hourly Rate |
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4.43 |
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.60 |
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4.43 |
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in |
2021 |
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Month Precipitation |
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4.21 |
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1.06 |
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2.27 |
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+1.94 |
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9.62 |
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in |
1946 |
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.15 |
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in |
1956 |
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Year Precipitation |
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27.04 |
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23.44 |
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27.92 |
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-.88 |
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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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#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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August
19, 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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99% |
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94% |
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93% |
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+6% |
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100% |
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in |
2017 |
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70% |
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in |
1975 |
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Minimum
Humidity |
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90% |
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53% |
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59% |
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+31% |
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92% |
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in |
1955 |
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31% |
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in |
1999 |
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Average Humidity |
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95% |
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74% |
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76% |
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+19% |
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96% |
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in |
1955 |
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53% |
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in |
1975 |
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Maximum Barometer |
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30.14 |
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29.99 |
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30.06 |
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+00.08 |
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30.43 |
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in |
1904 |
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29.78 |
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in |
1965 |
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Minimum
Barometer |
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29.85 |
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29.88 |
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29.84 |
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+00.01 |
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30.23 |
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in |
1996 |
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28.47 |
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in |
1991 |
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Average Barometer |
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30.00 |
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29.94 |
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29.95 |
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+00.05 |
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30.32 |
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in |
1996 |
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29.37 |
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in |
1991 |
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Average Wind |
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8.9 |
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2.8 |
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5.8 |
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+3.1 |
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18.7 |
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in |
1991 |
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0.9 |
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in |
1978 |
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Direction |
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SSW |
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NNW |
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SSW |
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ESE |
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S |
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High Wind Gust |
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27 |
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12 |
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21 |
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+6 |
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105 |
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in |
1991 |
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11 |
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in |
1978 |
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Direction |
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SSW |
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SW |
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SSW |
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ESE |
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SSW |
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Maximum Water Temp |
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74.6 |
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67.6 |
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71.8 |
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+2.8 |
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75.6 |
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in |
2003 |
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67.6 |
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in |
2020 |
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Minimum
Water Temp |
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71.8 |
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65.7 |
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68.6 |
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+3.2 |
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73.2 |
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in |
2018 |
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64.2 |
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in |
2008 |
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Average Water Temp |
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73.2 |
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66.7 |
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70.2 |
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+3.0 |
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74.0 |
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in |
2018 |
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66.7 |
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in |
2020 |
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Sunrise/ AM Twilight |
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5:59:21 AM |
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5:30:06 AM |
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Sunset /
PM Twilight |
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7:37:52 PM |
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8:07:08 PM |
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Length Of Day |
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13:38:31 |
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Special Conditions |
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Fog, Thunderstorm |
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Comments |
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Remnants of Tropical Storm Fred |
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Hour-by-Hour Weather For August 19, 2021 |
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Climate Weather for August 19 |
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Weather History For August 19 |
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Weather Calendar |
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Back
To Weather Stat Page |
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Home |
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