| Portsmouth Rhode Island
Weather Almanac |
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| Wednesday, September 23, 2020 |
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| Clear, Continued Dry and Much Warmer |
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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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September
23, 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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78 |
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78 |
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70 |
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+8 |
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86 |
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in |
1980 |
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54 |
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in |
1963 |
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| Minimum
Temperature |
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54 |
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67 |
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54 |
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+0 |
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68 |
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in |
1970 |
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35 |
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in |
1904 |
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| Average Temperature |
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66 |
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73 |
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62 |
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+4 |
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75 |
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in |
1980 |
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47 |
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in |
1904 |
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| Precipitation |
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.00 |
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.00 |
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.13 |
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-.13 |
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2.25 |
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in |
1919 |
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| One Hour |
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.00 |
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.00 |
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1.40 |
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in |
2002 |
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| Snow |
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#N/A |
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0.0 |
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0.0 |
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#N/A |
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0.0 |
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in |
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| Snow Depth |
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#N/A |
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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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4 |
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-4 |
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18 |
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in |
1904 |
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0 |
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in |
2020 |
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| CDD |
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1 |
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8 |
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1 |
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+0 |
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10 |
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in |
1980 |
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0 |
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in |
2018 |
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| Maximum Dew Point |
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59 |
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70 |
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58 |
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+1 |
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73 |
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in |
1989 |
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43 |
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in |
1963 |
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| Minimum
Dew Point |
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39 |
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65 |
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49 |
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-10 |
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67 |
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in |
2011 |
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30 |
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in |
1963 |
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| Average Dew Point |
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49 |
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68 |
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54 |
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-5 |
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69 |
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in |
2011 |
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37 |
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in |
1963 |
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| Maximum Humidity |
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76% |
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95% |
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93% |
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-17% |
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100% |
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in |
2017 |
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60% |
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in |
1983 |
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| Minimum
Humidity |
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45% |
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75% |
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59% |
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-14% |
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96% |
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in |
2011 |
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38% |
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in |
1955 |
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| Average Humidity |
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61% |
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85% |
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76% |
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-15% |
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98% |
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in |
1994 |
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50% |
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in |
1983 |
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| Maximum Barometer |
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29.88 |
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30.01 |
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30.11 |
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-00.23 |
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30.61 |
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in |
1904 |
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29.57 |
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in |
1950 |
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| Minimum
Barometer |
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29.74 |
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29.73 |
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29.87 |
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-00.13 |
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30.42 |
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in |
2008 |
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29.19 |
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in |
1966 |
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| Average Barometer |
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29.81 |
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29.87 |
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29.99 |
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-00.18 |
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30.46 |
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in |
2008 |
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29.42 |
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in |
1966 |
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| Average Wind |
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7.0 |
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10.0 |
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6.7 |
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+0.3 |
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15.3 |
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in |
1989 |
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2.0 |
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in |
1960 |
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| Direction |
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NW |
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SSW |
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N |
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SW |
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S |
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| High Wind Gust |
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20 |
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23 |
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23 |
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-3 |
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45 |
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in |
1989 |
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11 |
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in |
2018 |
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| Direction |
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NNW |
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SSW |
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SSW |
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SW |
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NE |
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| High
Heat Index |
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78 |
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81 |
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70 |
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+8 |
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87 |
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in |
1959 |
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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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65.3 |
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67.9 |
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67.5 |
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-2.2 |
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70.5 |
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in |
2016 |
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64.3 |
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in |
2013 |
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| Minimum
Water Temp |
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61.9 |
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66.5 |
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65.3 |
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-3.4 |
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68.7 |
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in |
2016 |
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61.9 |
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in |
2020 |
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| Average Water Temp |
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63.6 |
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67.2 |
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66.4 |
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-2.8 |
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69.6 |
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in |
2016 |
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63.6 |
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in |
2020 |
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| Sunrise/ AM Twilight |
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6:35:06 AM |
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6:07:34 AM |
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| Sunset
/ PM Twilight |
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6:39:11 PM |
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7:06:42 PM |
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| Length Of Day |
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12:04:05 |
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| Special Conditions |
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None |
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| Comments |
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13th consecutive day without rain |
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September
23, 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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74.2 |
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74.8 |
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72.8 |
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+1.3 |
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80.1 |
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in |
1983 |
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67.9 |
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in |
1963 |
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| Avg
Minimum Temperature |
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56.9 |
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56.9 |
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57.6 |
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-0.7 |
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63.4 |
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in |
1961 |
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52.3 |
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in |
1962 |
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| Average Temperature |
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65.8 |
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66.0 |
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65.2 |
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+0.6 |
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71.6 |
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in |
1961 |
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61.0 |
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in |
1963 |
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| Total
Precipitation |
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.66 |
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.64 |
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2.77 |
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-2.11 |
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9.58 |
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in |
1960 |
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.13 |
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in |
1946 |
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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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56 |
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33 |
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45 |
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+11 |
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110 |
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in |
1956 |
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4 |
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in |
1930 |
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| Total CDD |
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75 |
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57 |
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53 |
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+22 |
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166 |
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in |
1961 |
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7 |
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in |
1893 |
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| Avg Maximum Dew Point |
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61.3 |
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63.2 |
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61.0 |
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+0.3 |
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67.8 |
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in |
2018 |
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55.1 |
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in |
1984 |
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| Avg
Minimum Dew Point |
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49.3 |
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53.1 |
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51.9 |
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-2.6 |
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59.2 |
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in |
2018 |
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44.1 |
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in |
1984 |
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| Average Dew Point |
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55.5 |
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58.4 |
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56.5 |
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-1.0 |
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63.8 |
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in |
2018 |
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49.6 |
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in |
1984 |
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September 23, 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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24.69 |
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38.47 |
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34.61 |
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-9.92 |
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48.03 |
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in |
1998 |
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17.64 |
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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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56 |
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33 |
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54 |
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+2 |
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110 |
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in |
1956 |
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4 |
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in |
1930 |
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| Total
CDD (since Jan 1) |
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841 |
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715 |
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551 |
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+290 |
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841 |
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in |
2020 |
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283 |
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in |
1902 |
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| Hour-by-Hour Weather For September 23, 2020 |
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| Climate Weather for September 23 |
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| Weather History For September 23 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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