| Portsmouth Rhode Island Weather Almanac |
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| Wednesday,
August 11, 2021 |
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| Cloudy AM,
Partly Cloudy Day to Mostly Cloudy & Fog PM, Windy, Wamer & Very
Muggy |
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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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August 11, 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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83 |
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87 |
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79 |
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+4 |
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94 |
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in |
1944 |
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65 |
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in |
1922 |
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| Minimum
Temperature |
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72 |
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72 |
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64 |
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+8 |
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74 |
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in |
1988 |
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53 |
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in |
1972 |
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| Average Temperature |
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78 |
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80 |
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72 |
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+6 |
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83 |
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in |
1900 |
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62 |
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in |
1922 |
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| Month Avg Max Temperature |
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78.6 |
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85.1 |
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79.5 |
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-0.8 |
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85.1 |
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in |
2020 |
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71.0 |
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in |
1903 |
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| Month Avg
Min Temperature |
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64.1 |
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69.1 |
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64.8 |
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-0.7 |
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71.8 |
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in |
1988 |
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55.5 |
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in |
1964 |
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| Month Average
Temperature |
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71.6 |
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77.3 |
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72.0 |
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-0.4 |
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78.5 |
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in |
1988 |
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64.4 |
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in |
1964 |
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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 |
1922 |
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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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18 |
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in |
1903 |
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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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13 |
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15 |
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7 |
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+6 |
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18 |
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in |
1900 |
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0 |
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in |
1994 |
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| Month CDD |
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73 |
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135 |
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84 |
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-11 |
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149 |
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in |
1988 |
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7 |
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in |
1964 |
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| Year CDD |
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463 |
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599 |
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412 |
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+51 |
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599 |
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in |
2020 |
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201 |
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in |
1902 |
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| Maximum Dew Point |
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77 |
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76 |
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69 |
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+8 |
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77 |
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in |
2021 |
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52 |
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in |
1974 |
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| Minimum
Dew Point |
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71 |
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70 |
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60 |
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+11 |
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73 |
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in |
1988 |
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41 |
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in |
1968 |
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| Average Dew Point |
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74 |
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73 |
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65 |
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+9 |
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75 |
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in |
2016 |
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50 |
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in |
1974 |
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| Month Avg Max Dew Point |
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70.0 |
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73.1 |
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69.0 |
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+1.0 |
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74.3 |
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in |
2018 |
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58.0 |
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in |
1964 |
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| Month Avg
Min Dew Point |
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61.6 |
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64.7 |
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61.2 |
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+0.5 |
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69.3 |
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in |
2003 |
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47.3 |
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in |
1964 |
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| Month Average Dew Point |
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65.8 |
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68.9 |
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65.0 |
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+0.8 |
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71.3 |
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in |
2003 |
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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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2.14 |
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in |
1898 |
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| One Hour |
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.00 |
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.00 |
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.61 |
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in |
2015 |
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| Hourly Rate |
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.00 |
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.00 |
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3.24 |
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in |
2012 |
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| Month Precipitation |
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3.97 |
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.12 |
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1.31 |
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+2.66 |
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6.70 |
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in |
1952 |
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T |
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in |
2005 |
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| Year Precipitation |
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26.80 |
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22.50 |
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26.96 |
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-.16 |
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41.98 |
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in |
1998 |
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15.63 |
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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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#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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0 |
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0 |
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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
11, 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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96% |
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94% |
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+5% |
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100% |
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in |
2017 |
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81% |
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in |
1967 |
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| Minimum
Humidity |
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80% |
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62% |
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61% |
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+19% |
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91% |
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in |
1990 |
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32% |
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in |
2017 |
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| Average Humidity |
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90% |
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79% |
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78% |
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+12% |
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96% |
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in |
1990 |
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60% |
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in |
1974 |
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| Maximum Barometer |
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30.08 |
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30.00 |
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30.03 |
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+00.05 |
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30.45 |
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in |
1940 |
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29.66 |
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in |
1954 |
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| Minimum
Barometer |
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29.96 |
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29.94 |
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29.83 |
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+00.13 |
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30.13 |
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in |
1994 |
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29.51 |
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in |
1992 |
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| Average Barometer |
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30.02 |
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29.97 |
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29.93 |
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+00.09 |
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30.21 |
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in |
1989 |
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29.62 |
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in |
1954 |
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| Average Wind |
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9.2 |
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7.9 |
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5.6 |
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+3.6 |
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12.3 |
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in |
1971 |
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2.4 |
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in |
2017 |
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| Direction |
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SSW |
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SW |
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SSW |
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SW |
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SSE |
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| High Wind Gust |
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28 |
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31 |
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20 |
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+8 |
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35 |
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in |
1986 |
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10 |
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in |
1951 |
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| Direction |
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WSW |
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SW |
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SSW |
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WSW |
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SE |
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| High
Heat Index |
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91 |
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97 |
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81 |
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+10 |
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103 |
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in |
1988 |
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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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73.2 |
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72.1 |
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72.3 |
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+0.9 |
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76.3 |
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in |
2018 |
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68.3 |
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in |
2006 |
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| Minimum
Water Temp |
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69.8 |
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69.3 |
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68.7 |
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+1.1 |
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74.8 |
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in |
2018 |
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63.7 |
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in |
2001 |
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| Average Water Temp |
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71.5 |
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70.7 |
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70.5 |
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+1.0 |
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75.6 |
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in |
2018 |
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66.4 |
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in |
2006 |
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| Sunrise/ AM Twilight |
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5:51:12 AM |
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5:21:13 AM |
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| Sunset /
PM Twilight |
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7:49:21 PM |
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8:19:20 PM |
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| Length Of Day |
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13:58:09 |
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| Special Conditions |
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Fog |
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| Comments |
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| Hour-by-Hour Weather For August 11, 2021 |
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| Climate Weather for August 11 |
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| Weather History For August 11 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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