| Portsmouth Rhode Island
Weather Almanac |
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| Friday, July 17, 2020 |
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| Mostly Cloudy early, then Cloudy, Light Rain late Morning to
Cloudy PM, Light Winds and Much Cooler |
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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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July 17, 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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71 |
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86 |
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80 |
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-9 |
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90 |
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in |
1953 |
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67 |
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in |
1989 |
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| Minimum
Temperature |
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59 |
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71 |
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64 |
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-5 |
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72 |
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in |
2016 |
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49 |
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in |
1954 |
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| Average Temperature |
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65 |
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79 |
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72 |
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-7 |
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80 |
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in |
1997 |
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63 |
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in |
1989 |
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| Precipitation |
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.12 |
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.02 |
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.11 |
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+.01 |
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2.67 |
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in |
1989 |
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| One
Hour |
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.09 |
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.02 |
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.69 |
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in |
1989 |
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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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2 |
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in |
1989 |
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0 |
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in |
2020 |
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| CDD |
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0 |
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14 |
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7 |
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-7 |
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15 |
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in |
1997 |
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0 |
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in |
2020 |
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| Maximum Dew Point |
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69 |
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77 |
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68 |
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+1 |
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79 |
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in |
1997 |
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53 |
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in |
1966 |
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| Minimum
Dew Point |
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55 |
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68 |
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59 |
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-4 |
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69 |
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in |
2013 |
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44 |
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in |
1993 |
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| Average Dew Point |
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62 |
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73 |
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63 |
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-1 |
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74 |
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in |
1997 |
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49 |
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in |
1993 |
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| Maximum Humidity |
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95% |
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95% |
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92% |
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+3% |
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100% |
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in |
2017 |
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64% |
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in |
1952 |
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| Minimum
Humidity |
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81% |
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70% |
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56% |
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+25% |
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91% |
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in |
2005 |
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29% |
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in |
1957 |
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| Average Humidity |
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88% |
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83% |
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74% |
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+14% |
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96% |
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in |
2005 |
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51% |
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in |
1952 |
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| Maximum Barometer |
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30.28 |
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30.00 |
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30.04 |
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+00.24 |
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30.39 |
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in |
1945 |
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29.77 |
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in |
1983 |
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| Minimum
Barometer |
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30.04 |
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29.86 |
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29.87 |
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+00.17 |
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30.09 |
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in |
2005 |
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29.53 |
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in |
1980 |
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| Average Barometer |
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30.16 |
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29.93 |
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29.95 |
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+00.21 |
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30.17 |
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in |
1990 |
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29.68 |
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in |
1983 |
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| Average Wind |
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3.7 |
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7.2 |
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5.3 |
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-1.6 |
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12.1 |
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in |
1971 |
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2.2 |
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in |
2006 |
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| Direction |
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SSE |
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SSW |
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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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20 |
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24 |
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20 |
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+0 |
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36 |
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in |
1989 |
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12 |
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in |
2017 |
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| Direction |
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SSE |
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SSW |
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SSW |
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NE |
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SSE |
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| High
Heat Index |
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74 |
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96 |
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83 |
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-9 |
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97 |
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in |
1997 |
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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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66.7 |
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72.5 |
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71.3 |
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-4.6 |
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78.4 |
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in |
2013 |
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66.7 |
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in |
2020 |
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| Minimum
Water Temp |
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64.6 |
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69.2 |
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67.1 |
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-2.5 |
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71.6 |
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in |
2012 |
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62.1 |
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in |
2001 |
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| Average Water Temp |
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65.7 |
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70.9 |
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69.2 |
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-3.5 |
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74.0 |
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in |
2013 |
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65.7 |
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in |
2020 |
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| Sunrise/ AM Twilight |
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5:26:32 AM |
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4:53:57 AM |
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| Sunset /
PM Twilight |
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8:16:23 PM |
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8:48:58 PM |
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| Length Of Day |
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14:48:18 |
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| Special Conditions |
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Fog |
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| Comments |
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July 17, 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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79.9 |
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84.3 |
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78.7 |
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+1.2 |
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84.8 |
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in |
1993 |
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73.9 |
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in |
1906 |
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| Avg
Minimum Temperature |
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64.6 |
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65.5 |
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62.9 |
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+1.7 |
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70.7 |
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in |
2013 |
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57.5 |
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in |
1962 |
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| Average Temperature |
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72.2 |
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74.9 |
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70.7 |
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+1.5 |
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76.6 |
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in |
2013 |
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66.8 |
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in |
2009 |
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| Total
Precipitation |
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1.06 |
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2.47 |
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1.87 |
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-.81 |
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5.03 |
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in |
1959 |
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T |
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in |
1982 |
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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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3 |
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-3 |
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23 |
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in |
1914 |
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0 |
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in |
2020 |
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| Total CDD |
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128 |
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174 |
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106 |
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+22 |
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200 |
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in |
2013 |
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44 |
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in |
2009 |
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| Avg Maximum Dew Point |
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70.0 |
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69.6 |
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67.0 |
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+3.0 |
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73.9 |
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in |
2013 |
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59.8 |
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in |
1978 |
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| Avg
Minimum Dew Point |
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62.1 |
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61.3 |
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58.1 |
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+3.9 |
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68.2 |
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in |
2013 |
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50.3 |
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in |
1962 |
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| Average Dew Point |
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66.0 |
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65.5 |
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62.6 |
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+3.5 |
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71.1 |
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in |
2013 |
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55.4 |
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in |
1962 |
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July 17, 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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22.08 |
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31.53 |
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26.30 |
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-4.22 |
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40.76 |
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in |
1998 |
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13.52 |
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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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23 |
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in |
1914 |
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0 |
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in |
2020 |
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| Total
CDD (since Jan 1) |
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261 |
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269 |
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195 |
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+66 |
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324 |
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in |
2010 |
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78 |
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in |
2009 |
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| Hour-by-Hour Weather For July 17, 2020 |
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| Climate Weather for July 17 |
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| Weather History For July 17 |
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| Weather Calendar |
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| Back
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