| Portsmouth Rhode Island
Weather Almanac |
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| Sunday, September 13, 2020 |
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| Partly Cloudy, Fog early, Light Winds and Seasonal
Temperatures |
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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
13, 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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75 |
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71 |
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73 |
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+2 |
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88 |
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in |
1952 |
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60 |
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in |
1965 |
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| Minimum
Temperature |
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52 |
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50 |
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57 |
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-5 |
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70 |
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in |
1971 |
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43 |
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in |
1943 |
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| Average Temperature |
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64 |
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61 |
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65 |
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-1 |
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77 |
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in |
1961 |
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55 |
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in |
1985 |
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| Precipitation |
|
.00 |
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.00 |
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.13 |
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-.13 |
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2.42 |
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in |
1987 |
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| One Hour |
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.00 |
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.00 |
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1.52 |
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in |
2018 |
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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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1 |
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4 |
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2 |
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-1 |
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10 |
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in |
1985 |
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0 |
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in |
2018 |
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| CDD |
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0 |
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0 |
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2 |
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-2 |
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12 |
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in |
1961 |
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0 |
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in |
2020 |
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| Maximum Dew Point |
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65 |
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58 |
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61 |
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+4 |
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73 |
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in |
1971 |
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45 |
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in |
1985 |
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| Minimum
Dew Point |
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50 |
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45 |
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52 |
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-2 |
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68 |
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in |
1971 |
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33 |
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in |
1985 |
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| Average Dew Point |
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58 |
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52 |
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56 |
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+2 |
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71 |
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in |
1971 |
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39 |
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in |
1985 |
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| Maximum Humidity |
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97% |
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95% |
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93% |
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+4% |
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100% |
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in |
2018 |
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68% |
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in |
1955 |
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| Minimum
Humidity |
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58% |
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42% |
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57% |
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+1% |
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93% |
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in |
1987 |
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34% |
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in |
1991 |
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| Average Humidity |
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78% |
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69% |
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75% |
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+3% |
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97% |
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in |
1987 |
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52% |
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in |
1955 |
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| Maximum Barometer |
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30.27 |
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30.50 |
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30.13 |
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+00.14 |
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30.51 |
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in |
1985 |
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29.65 |
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in |
1960 |
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| Minimum
Barometer |
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30.01 |
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30.30 |
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29.93 |
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+00.08 |
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30.33 |
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in |
1992 |
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29.45 |
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in |
1960 |
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| Average Barometer |
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30.14 |
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30.40 |
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30.03 |
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+00.11 |
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30.40 |
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in |
2019 |
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29.55 |
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in |
1960 |
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| Average Wind |
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4.0 |
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7.2 |
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5.8 |
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-1.8 |
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12.1 |
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in |
1974 |
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1.1 |
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in |
2006 |
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| Direction |
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S |
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N |
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S |
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WSW |
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W |
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| High Wind Gust |
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18 |
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19 |
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20 |
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-2 |
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35 |
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in |
1953 |
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11 |
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in |
1998 |
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| Direction |
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SW |
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NE |
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SSW |
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SSE |
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NE |
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| High
Heat Index |
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75 |
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69 |
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74 |
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+1 |
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92 |
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in |
1952 |
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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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70.7 |
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69.4 |
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69.0 |
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+1.7 |
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72.1 |
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in |
1999 |
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65.5 |
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in |
2006 |
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| Minimum
Water Temp |
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68.2 |
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68.2 |
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66.9 |
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+1.3 |
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70.0 |
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in |
1999 |
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62.9 |
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in |
2005 |
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| Average Water Temp |
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69.5 |
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68.8 |
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67.9 |
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+1.5 |
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71.1 |
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in |
1999 |
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64.7 |
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in |
2006 |
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| Sunrise/ AM Twilight |
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6:24:54 AM |
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5:57:10 AM |
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| Sunset
/ PM Twilight |
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6:56:28 PM |
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7:24:12 PM |
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| Length Of Day |
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12:31:34 |
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| Special Conditions |
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Fog |
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| Comments |
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September
13, 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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77.9 |
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74.6 |
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74.3 |
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+3.6 |
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84.5 |
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in |
1983 |
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68.7 |
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in |
1917 |
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| Avg
Minimum Temperature |
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61.7 |
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58.2 |
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59.2 |
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+2.5 |
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66.9 |
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in |
1961 |
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51.2 |
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in |
1893 |
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| Average Temperature |
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70.1 |
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66.6 |
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66.7 |
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+3.3 |
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75.5 |
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in |
1961 |
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61.9 |
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in |
1893 |
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| Total
Precipitation |
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.66 |
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.56 |
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1.67 |
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-1.01 |
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5.17 |
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in |
1905 |
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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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3 |
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12 |
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17 |
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-14 |
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48 |
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in |
1914 |
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0 |
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in |
2015 |
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| Total CDD |
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69 |
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33 |
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42 |
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+27 |
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136 |
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in |
1961 |
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0 |
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in |
1893 |
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| Avg Maximum Dew Point |
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67.5 |
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64.5 |
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62.3 |
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+5.2 |
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70.4 |
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in |
1961 |
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55.3 |
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in |
1967 |
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| Avg
Minimum Dew Point |
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57.2 |
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54.5 |
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53.3 |
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+3.9 |
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63.7 |
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in |
1961 |
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43.7 |
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in |
1967 |
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| Average Dew Point |
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62.5 |
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59.8 |
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57.8 |
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+4.8 |
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67.0 |
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in |
1961 |
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49.5 |
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in |
1967 |
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September 13, 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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38.39 |
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33.31 |
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-8.62 |
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46.33 |
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in |
1998 |
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17.36 |
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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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3 |
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12 |
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26 |
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-23 |
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48 |
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in |
1914 |
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0 |
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in |
2015 |
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| Total
CDD (since Jan 1) |
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835 |
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691 |
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540 |
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+295 |
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835 |
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in |
2020 |
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280 |
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in |
1902 |
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| Hour-by-Hour Weather For September 13, 2020 |
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| Climate Weather for September 13 |
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| Weather History For September 13 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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