| Portsmouth Rhode Island
Weather Almanac |
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| Tuesday, August 11, 2020 |
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| Mostly Cloudy early, Partly Cloudy Day to Mostly Cloudy PM,
Hot & Muggy, Light Fog & Breezy |
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| Climate Normal
Period |
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Climate Record Period |
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| 1981- 2010 |
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1893 - 2020 |
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August
11, 2020 |
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Record |
Record |
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| Observed Daily Data |
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Observed |
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2019 |
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Normal |
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Depart |
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Highest |
Lowest |
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| Maximum Temperature |
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87 |
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80 |
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79 |
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+8 |
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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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59 |
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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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80 |
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70 |
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72 |
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+8 |
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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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| 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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| 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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| 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 |
2020 |
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| CDD |
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15 |
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5 |
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7 |
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+8 |
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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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| Maximum Dew Point |
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76 |
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60 |
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68 |
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+8 |
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77 |
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in |
2016 |
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52 |
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in |
1974 |
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| Minimum
Dew Point |
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70 |
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52 |
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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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73 |
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56 |
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64 |
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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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| Maximum Humidity |
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96% |
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83% |
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94% |
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+2% |
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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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62% |
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42% |
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61% |
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+1% |
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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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79% |
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63% |
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78% |
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+1% |
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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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30.00 |
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29.99 |
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30.03 |
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-00.03 |
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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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29.94 |
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29.90 |
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29.83 |
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+00.11 |
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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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29.97 |
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29.95 |
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29.93 |
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+00.04 |
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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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7.9 |
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6.8 |
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5.5 |
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+2.4 |
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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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SW |
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NW |
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S |
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SW |
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SSE |
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| High Wind Gust |
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31 |
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18 |
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20 |
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+11 |
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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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SW |
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WNW |
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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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97 |
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79 |
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81 |
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+16 |
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103 |
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in |
1988 |
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| 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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72.1 |
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74.2 |
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72.3 |
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-0.2 |
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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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69.3 |
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71.5 |
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68.7 |
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+0.6 |
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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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70.7 |
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72.9 |
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70.5 |
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+0.2 |
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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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5:50:55 AM |
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5:20:55 AM |
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| Sunset /
PM Twilight |
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7:49:43 PM |
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8:19:44 PM |
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| Length Of Day |
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13:58:48 |
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| Special Conditions |
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Fog |
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| Comments |
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August
11, 2020 |
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|
Record |
Record |
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| Month-to-Date Summary |
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Observed |
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2019 |
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Normal |
Depart |
Highest |
Lowest |
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| Avg Maximum Temperature |
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85.1 |
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82.4 |
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79.0 |
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+6.1 |
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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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| Avg
Minimum Temperature |
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69.1 |
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65.2 |
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65.0 |
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+4.1 |
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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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| Average Temperature |
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77.3 |
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74.0 |
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72.0 |
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+5.3 |
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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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| Total
Precipitation |
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.12 |
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.19 |
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1.29 |
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-1.17 |
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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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| Total 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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0.0 |
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in |
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| Total
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 |
2020 |
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| Total CDD |
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135 |
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99 |
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84 |
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+51 |
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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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| Avg Maximum Dew Point |
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73.1 |
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67.9 |
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68.7 |
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+4.4 |
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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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| Avg
Minimum Dew Point |
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64.7 |
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58.9 |
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60.5 |
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+4.2 |
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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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| Average Dew Point |
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68.9 |
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63.4 |
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64.6 |
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+4.3 |
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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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August 11, 2020 |
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Record |
Record |
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| Year-to-Date Summary |
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Observed |
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2019 |
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Normal |
Depart |
Highest |
Lowest |
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| Total Precipitation |
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22.50 |
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35.42 |
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29.10 |
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-6.60 |
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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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| Total
Snow (since Jul 1 20) |
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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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0.0 |
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in |
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| Total HDD (since Jul 1
20) |
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0 |
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0 |
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3 |
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-3 |
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18 |
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in |
1903 |
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0 |
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in |
2020 |
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| Total
CDD (since Jan 1) |
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599 |
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519 |
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388 |
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+211 |
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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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| Hour-by-Hour Weather For August 11, 2020 |
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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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