| Portsmouth Rhode Island Weather Almanac |
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| Wednesday,
September 13, 2023 |
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| Mostly
Cloudy, Dense Fog early, Heavy Rain/Thunderstorm @ 2pm, Warm and Continued
Muggy |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2023 |
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September 13, 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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78 |
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73 |
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73 |
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+5 |
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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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67 |
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67 |
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58 |
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+9 |
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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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73 |
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70 |
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65 |
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+8 |
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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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| Month Avg Max Temperature |
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82.5 |
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76.2 |
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74.7 |
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+7.8 |
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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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| Month
Avg Min Temperature |
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66.7 |
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60.9 |
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59.8 |
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+6.9 |
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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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| Month Average
Temperature |
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74.8 |
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68.8 |
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67.2 |
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+7.6 |
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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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| High
Heat Index |
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81 |
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76 |
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74 |
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+7 |
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92 |
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in |
1952 |
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| Low
Wind Chill |
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41 |
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in |
1943 |
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| Heating Degree Days |
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0 |
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0 |
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2 |
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-2 |
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10 |
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in |
1985 |
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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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14 |
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-13 |
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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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| Season
Heating DD |
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1 |
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2 |
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14 |
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-13 |
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88 |
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in |
1914 |
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0 |
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in |
2015 |
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| Cooling Degree Days |
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8 |
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5 |
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2 |
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+6 |
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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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| Month Cooling DD |
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129 |
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51 |
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43 |
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+86 |
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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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| Year Cooling DD |
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701 |
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762 |
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580 |
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+121 |
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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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| Maximum Dew Point |
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73 |
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72 |
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63 |
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+10 |
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73 |
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in |
2023 |
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45 |
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in |
1985 |
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| Minimum
Dew Point |
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65 |
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67 |
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54 |
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+11 |
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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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69 |
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70 |
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58 |
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+11 |
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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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| Month Avg Max Dew Point |
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73.9 |
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66.0 |
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64.6 |
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+9.3 |
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73.9 |
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in |
2023 |
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55.3 |
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in |
1967 |
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| Month
Avg Min Dew Point |
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65.5 |
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57.5 |
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55.4 |
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+10.2 |
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65.5 |
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in |
2023 |
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43.7 |
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in |
1967 |
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| Month Average Dew Point |
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69.8 |
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62.1 |
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59.9 |
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+9.9 |
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69.8 |
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in |
2023 |
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49.5 |
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in |
1967 |
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| Precipitation |
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.67 |
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1.51 |
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.12 |
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+.55 |
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2.42 |
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in |
1987 |
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| One
Hour Rain |
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.61 |
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.84 |
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1.52 |
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in |
2018 |
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| Half
Hour Rain |
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.59 |
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.74 |
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1.24 |
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in |
2018 |
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| Hourly Rain Rate |
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2.92 |
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5.43 |
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5.43 |
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in |
2022 |
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| Month Precipitation |
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2.28 |
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3.23 |
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1.50 |
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+.78 |
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7.60 |
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in |
2021 |
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T |
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in |
2005 |
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| Year Precipitation |
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37.90 |
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28.65 |
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30.78 |
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+7.12 |
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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 13, 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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99% |
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93% |
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+6% |
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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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82% |
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97% |
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58% |
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+24% |
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97% |
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in |
2022 |
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34% |
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in |
1991 |
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| Average Humidity |
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91% |
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98% |
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75% |
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+15% |
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98% |
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in |
2022 |
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52% |
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in |
1955 |
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| Maximum Barometer |
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29.97 |
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29.82 |
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30.12 |
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-00.15 |
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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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29.91 |
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29.72 |
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29.92 |
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-00.01 |
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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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29.94 |
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29.77 |
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30.02 |
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-00.08 |
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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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4.1 |
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5.7 |
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-1.7 |
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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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SSE |
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SSE |
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S |
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WSW |
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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S |
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SW |
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SSW |
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SSE |
NE |
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| Maximum Water Temp |
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71.4 |
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71.2 |
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69.3 |
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+2.1 |
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73.9 |
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in |
2023 |
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65.5 |
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in |
2006 |
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| Minimum
Water Temp |
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70.9 |
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69.1 |
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67.3 |
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+3.6 |
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72.3 |
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in |
2023 |
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62.9 |
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in |
2005 |
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| Average Water Temp |
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71.2 |
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70.2 |
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68.3 |
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+2.8 |
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73.1 |
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in |
2023 |
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64.7 |
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in |
2006 |
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| Sunrise/ AM Twilight |
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6:23:05 AM |
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5:56:13 AM |
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| Sunset
/ PM Twilight |
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6:58:11 PM |
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7:25:48 PM |
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| Length Of Day |
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12:35:06 |
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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 Point |
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| Hour-by-Hour Weather For September 13, 2023 |
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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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