| Portsmouth Rhode Island Weather Almanac |
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| Monday,
September 11, 2023 |
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| Cloudy
early, P Cloudy Day to Cloudy, Heavy Rain/Thunderstorm PM, Continued Warm & Very Muggy |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2023 |
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September 11, 2023 |
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Record |
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Record |
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| Observed Daily Data |
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2023 |
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2022 |
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Norm |
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Depart |
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Highest |
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Lowest |
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| Maximum Temperature |
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82 |
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79 |
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73 |
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+9 |
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90 |
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in |
1983 |
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61 |
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in |
1918 |
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| Minimum
Temperature |
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69 |
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64 |
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59 |
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+10 |
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71 |
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in |
1931 |
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42 |
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in |
1980 |
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| Average Temperature |
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76 |
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72 |
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66 |
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+10 |
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81 |
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in |
1931 |
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54 |
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in |
1917 |
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| Month Avg Max Temperature |
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83.0 |
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76.9 |
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75.0 |
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+8.0 |
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85.2 |
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in |
1983 |
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68.5 |
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in |
1917 |
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| Month
Avg Min Temperature |
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66.5 |
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60.2 |
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60.1 |
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+6.5 |
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67.1 |
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in |
1959 |
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51.4 |
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in |
1893 |
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| Month Average
Temperature |
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75.0 |
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68.7 |
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67.5 |
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+7.5 |
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75.1 |
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in |
1983 |
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61.9 |
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in |
1994 |
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| High
Heat Index |
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89 |
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79 |
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75 |
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+14 |
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98 |
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in |
1989 |
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| Low Wind
Chill |
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40 |
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in |
1980 |
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| Heating Degree Days |
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0 |
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0 |
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1 |
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-1 |
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11 |
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in |
1917 |
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0 |
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in |
2023 |
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| Month Heating DD |
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1 |
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2 |
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11 |
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-10 |
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41 |
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in |
1994 |
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0 |
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in |
2020 |
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| Season
Heating DD |
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1 |
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2 |
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11 |
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-10 |
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73 |
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in |
1914 |
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0 |
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in |
2020 |
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| Cooling Degree Days |
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11 |
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7 |
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3 |
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+8 |
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16 |
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in |
1931 |
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0 |
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in |
2021 |
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| Month Cooling DD |
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111 |
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43 |
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39 |
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+72 |
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111 |
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in |
2023 |
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0 |
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in |
1893 |
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| Year Cooling DD |
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683 |
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754 |
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576 |
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+107 |
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835 |
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in |
2020 |
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279 |
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in |
1902 |
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| Maximum Dew Point |
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77 |
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67 |
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64 |
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+13 |
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77 |
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in |
2023 |
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41 |
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in |
1967 |
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| Minimum
Dew Point |
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69 |
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58 |
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54 |
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+15 |
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69 |
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in |
2023 |
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34 |
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in |
1995 |
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| Average Dew Point |
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73 |
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63 |
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59 |
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+14 |
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73 |
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in |
2023 |
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39 |
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in |
1967 |
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| Month Avg Max Dew Point |
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74.0 |
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65.0 |
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64.8 |
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+9.2 |
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74.0 |
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in |
2023 |
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55.4 |
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in |
1984 |
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| Month
Avg Min Dew Point |
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65.4 |
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56.1 |
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55.6 |
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+9.7 |
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65.4 |
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in |
2023 |
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44.2 |
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in |
1967 |
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| Month Average Dew Point |
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69.8 |
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60.9 |
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60.2 |
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+9.6 |
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69.8 |
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in |
2023 |
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50.3 |
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in |
1984 |
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| Precipitation |
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1.59 |
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.03 |
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.12 |
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+1.47 |
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4.37 |
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in |
1954 |
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| One Hour
Rain |
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.95 |
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.02 |
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.95 |
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in |
2023 |
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| Half
Hour Rain |
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.67 |
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.00 |
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.67 |
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in |
2023 |
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| Hourly Rain Rate |
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4.68 |
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.08 |
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4.68 |
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in |
2023 |
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| Month Precipitation |
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1.61 |
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1.11 |
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1.26 |
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+.35 |
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7.60 |
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in |
2021 |
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.00 |
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in |
1983 |
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| Year Precipitation |
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37.23 |
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26.53 |
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30.54 |
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+6.69 |
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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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| Snow |
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| Snow Depth |
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| Month Snow |
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| Season 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 |
1996 |
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0.0 |
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in |
1998 |
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September 11, 2023 |
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|
Record |
Record |
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| Observed Daily Data |
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2023 |
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2022 |
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Norm |
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Depart |
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Highest |
Lowest |
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| Maximum Humidity |
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99% |
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97% |
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91% |
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+8% |
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100% |
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in |
2018 |
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74% |
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in |
1988 |
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| Minimum
Humidity |
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84% |
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59% |
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57% |
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+27% |
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93% |
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in |
2007 |
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26% |
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in |
1980 |
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| Average Humidity |
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92% |
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78% |
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74% |
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+17% |
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97% |
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in |
1950 |
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50% |
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in |
1980 |
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| Maximum Barometer |
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30.06 |
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30.18 |
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30.11 |
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-00.05 |
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30.44 |
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in |
1967 |
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29.64 |
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in |
2002 |
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| Minimum
Barometer |
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29.97 |
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30.01 |
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29.87 |
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+00.10 |
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30.32 |
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in |
2008 |
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28.66 |
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in |
1954 |
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| Average Barometer |
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30.02 |
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30.10 |
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29.99 |
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+00.03 |
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30.36 |
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in |
2008 |
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29.22 |
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in |
1954 |
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| Average
Wind |
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3.7 |
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2.7 |
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7.0 |
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-3.3 |
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22.2 |
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in |
1954 |
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1.9 |
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in |
1989 |
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| Direction |
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S |
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WNW |
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NW |
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NNE |
NE |
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| High
Wind Gust |
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16 |
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12 |
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23 |
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-7 |
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98 |
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in |
1954 |
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11 |
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in |
2017 |
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| Direction |
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S |
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WSW |
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NW |
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NW |
WNW |
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| Maximum Water Temp |
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72.7 |
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70.3 |
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69.5 |
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+3.2 |
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73.8 |
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in |
2023 |
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65.9 |
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in |
2017 |
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| Minimum
Water Temp |
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71.1 |
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68.7 |
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67.3 |
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+3.8 |
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71.4 |
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in |
2023 |
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64.2 |
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in |
2017 |
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| Average Water Temp |
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71.9 |
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69.5 |
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68.4 |
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+3.5 |
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72.6 |
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in |
2023 |
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65.1 |
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in |
2017 |
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| Sunrise/ AM Twilight |
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6:21:03 AM |
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5:54:07 AM |
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| Sunset /
PM Twilight |
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7:01:38 PM |
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7:29:19 PM |
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| Length Of Day |
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12:40:35 |
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| Special Conditions |
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Dense Fog, Thunderstorm |
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| Comments |
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Record High Dew Points |
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| Hour-by-Hour Weather For September 11, 2023 |
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| Climate Weather for September 11 |
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| Weather History For September 11 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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