| Portsmouth Rhode Island
Weather Almanac |
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| Saturday, September 7, 2019 |
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| Cloudy, Light Rain AM, Hurricane Dorian passes south of Cape
Cod, Mostly Cloudy Day to Partly Cloudy PM, Windy & Cool |
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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 - 2019 |
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September
7, 2019 |
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Record |
Record |
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| Observed Daily Data |
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Observed |
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2018 |
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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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72 |
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72 |
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74 |
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-2 |
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93 |
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in |
1983 |
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63 |
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in |
1940 |
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| Minimum
Temperature |
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56 |
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65 |
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59 |
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-3 |
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71 |
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in |
1999 |
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43 |
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in |
1962 |
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| Average Temperature |
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64 |
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69 |
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67 |
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-3 |
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82 |
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in |
1983 |
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57 |
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in |
2000 |
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| Precipitation |
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.01 |
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.01 |
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.13 |
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-.12 |
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1.36 |
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in |
1996 |
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| One
Hour |
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.01 |
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.01 |
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.42 |
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in |
1974 |
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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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in |
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| HDD |
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1 |
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0 |
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1 |
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+0 |
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8 |
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in |
2000 |
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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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4 |
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3 |
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-3 |
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17 |
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in |
1983 |
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0 |
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in |
2019 |
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| Maximum Dew Point |
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60 |
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70 |
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62 |
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-2 |
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75 |
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in |
1999 |
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47 |
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in |
1984 |
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| Minimum
Dew Point |
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52 |
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61 |
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53 |
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-1 |
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70 |
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in |
1999 |
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38 |
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in |
1984 |
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| Average Dew Point |
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56 |
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66 |
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58 |
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-2 |
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73 |
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in |
1999 |
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43 |
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in |
1984 |
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| Maximum Humidity |
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93% |
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96% |
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92% |
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+1% |
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100% |
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in |
2017 |
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71% |
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in |
1952 |
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| Minimum
Humidity |
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51% |
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77% |
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58% |
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-7% |
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94% |
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in |
2011 |
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30% |
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in |
1980 |
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| Average Humidity |
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72% |
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87% |
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75% |
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-3% |
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96% |
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in |
2011 |
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58% |
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in |
1967 |
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| Maximum Barometer |
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29.85 |
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30.19 |
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30.11 |
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-00.25 |
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30.45 |
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in |
1984 |
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29.75 |
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in |
1951 |
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| Minimum
Barometer |
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29.58 |
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30.11 |
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29.90 |
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-00.32 |
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30.22 |
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in |
1984 |
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29.39 |
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in |
2008 |
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| Average Barometer |
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29.72 |
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30.15 |
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30.00 |
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-00.29 |
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30.34 |
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in |
1984 |
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29.64 |
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in |
1979 |
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| Average Wind |
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13.3 |
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4.9 |
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5.9 |
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+7.4 |
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13.3 |
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in |
2019 |
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0.9 |
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in |
1989 |
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| Direction |
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N |
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NNE |
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SSW |
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N |
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SSE |
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| High Wind Gust |
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39 |
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20 |
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21 |
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+18 |
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48 |
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in |
1958 |
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10 |
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in |
1992 |
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| Direction |
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N |
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NNE |
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SSW |
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SW |
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SSE |
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| High
Heat Index |
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71 |
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73 |
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76 |
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-5 |
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96 |
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in |
1983 |
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| Wind Chill |
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| Maximum Water Temp |
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70.0 |
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74.0 |
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70.2 |
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-0.2 |
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74.0 |
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in |
2018 |
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66.2 |
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in |
2017 |
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| Minimum
Water Temp |
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68.3 |
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71.7 |
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67.7 |
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+0.6 |
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71.7 |
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in |
2018 |
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64.5 |
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in |
2017 |
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| Average Water Temp |
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69.2 |
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72.9 |
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69.0 |
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+0.2 |
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72.9 |
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in |
2018 |
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65.4 |
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in |
2017 |
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| Sunrise/ AM Twilight |
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6:18:20 AM |
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5:50:19 AM |
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| Sunset /
PM Twilight |
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7:07:37 PM |
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7:35:38 PM |
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| Length Of Day |
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12:49:17 |
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| Special Conditions |
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Light Fog, Hurricane Dorian (Cat 2) passes
South of Cape Cod |
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| Comments |
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September
7, 2019 |
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Record |
Record |
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| Month-to-Date Summary |
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Observed |
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2018 |
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Normal |
Depart |
Highest |
Lowest |
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| Avg Maximum Temperature |
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74.6 |
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80.6 |
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75.1 |
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-0.6 |
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85.6 |
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in |
1898 |
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67.6 |
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in |
1994 |
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| Avg
Minimum Temperature |
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58.6 |
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66.7 |
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60.0 |
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-1.4 |
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70.4 |
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in |
1898 |
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51.4 |
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in |
1893 |
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| Average Temperature |
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66.6 |
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73.6 |
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67.6 |
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-1.0 |
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78.0 |
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in |
1898 |
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60.7 |
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in |
1994 |
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| Total
Precipitation |
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.08 |
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.11 |
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.91 |
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-.83 |
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4.18 |
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in |
1905 |
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.00 |
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in |
2015 |
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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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5 |
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0 |
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7 |
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-2 |
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32 |
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in |
1994 |
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0 |
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in |
2018 |
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| Total CDD |
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17 |
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62 |
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26 |
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-9 |
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93 |
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in |
1898 |
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0 |
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in |
1976 |
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| Avg Maximum Dew Point |
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65.1 |
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59.9 |
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63.1 |
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+2.0 |
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72.6 |
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in |
2014 |
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53.3 |
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in |
1984 |
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| Avg
Minimum Dew Point |
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55.0 |
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49.6 |
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54.1 |
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+0.9 |
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64.9 |
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in |
1973 |
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43.4 |
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in |
1984 |
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| Average Dew Point |
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60.1 |
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55.0 |
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58.6 |
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+1.5 |
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68.6 |
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in |
1973 |
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48.4 |
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in |
1984 |
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September 7, 2019 |
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Record |
Record |
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| Year-to-Date Summary |
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Observed |
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2018 |
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Normal |
Depart |
Highest |
Lowest |
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| Total Precipitation |
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37.91 |
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28.95 |
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32.40 |
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+5.51 |
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45.84 |
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in |
1998 |
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16.55 |
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in |
1957 |
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| Total
Snow (since Jul 1 19) |
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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
19) |
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8 |
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0 |
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16 |
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-8 |
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48 |
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in |
1994 |
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0 |
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in |
2018 |
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| Total
CDD (since Jan 1) |
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675 |
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710 |
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524 |
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+151 |
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745 |
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in |
2010 |
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273 |
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in |
1902 |
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| Hour-by-Hour Weather For September 7, 2019 |
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| Climate Weather for September 7 |
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| Weather History For September 7 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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