| Portsmouth Rhode Island Weather Almanac |
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| Friday,
August 18, 2023 |
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| Cloudy,
Heavy Rain & Fog AM, Mostly Cloudy Day to Clear PM, Warmer |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2023 |
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August 18, 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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79 |
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83 |
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78 |
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+1 |
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93 |
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in |
1987 |
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64 |
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in |
1919 |
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| Minimum
Temperature |
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66 |
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63 |
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64 |
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+2 |
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74 |
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in |
1965 |
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52 |
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in |
1979 |
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| Average Temperature |
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73 |
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73 |
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71 |
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+2 |
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82 |
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in |
1987 |
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60 |
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in |
1979 |
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| Month Avg Max Temperature |
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78.6 |
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83.0 |
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79.2 |
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-0.6 |
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84.3 |
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in |
1939 |
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72.3 |
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in |
1964 |
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| Month Avg
Min Temperature |
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64.5 |
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67.0 |
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64.5 |
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+0.0 |
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71.3 |
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in |
1988 |
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55.8 |
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in |
1964 |
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| Month Average
Temperature |
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71.8 |
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75.3 |
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71.8 |
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+0.1 |
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78.1 |
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in |
1988 |
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64.4 |
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in |
1964 |
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| High
Heat Index |
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83 |
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82 |
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80 |
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+3 |
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97 |
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in |
2009 |
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| Low Wind Chill |
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in |
#N/A |
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| Heating Degree Days |
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0 |
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0 |
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0 |
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+0 |
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5 |
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in |
1979 |
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0 |
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in |
2023 |
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| Month Heating DD |
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0 |
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0 |
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0 |
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+0 |
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24 |
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in |
1964 |
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0 |
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in |
2023 |
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| Season
Heating DD |
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0 |
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0 |
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0 |
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+0 |
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24 |
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in |
1964 |
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0 |
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in |
2023 |
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| Cooling Degree Days |
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8 |
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8 |
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6 |
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+2 |
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17 |
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in |
1987 |
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0 |
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in |
2000 |
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| Month Cooling DD |
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123 |
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185 |
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133 |
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-10 |
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235 |
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in |
1988 |
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13 |
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in |
1964 |
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| Year Cooling DD |
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507 |
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573 |
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461 |
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+46 |
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663 |
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in |
2020 |
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208 |
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in |
1902 |
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| Maximum Dew Point |
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75 |
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65 |
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68 |
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+7 |
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76 |
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in |
1955 |
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53 |
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in |
1981 |
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| Minimum
Dew Point |
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58 |
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57 |
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59 |
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-1 |
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73 |
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in |
1955 |
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42 |
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in |
1981 |
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| Average Dew Point |
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67 |
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61 |
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64 |
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+3 |
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75 |
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in |
1955 |
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48 |
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in |
1981 |
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| Month Avg Max Dew Point |
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69.3 |
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70.9 |
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68.7 |
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+0.7 |
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74.2 |
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in |
2018 |
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57.8 |
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in |
1964 |
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| Month Avg
Min Dew Point |
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60.2 |
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63.3 |
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60.6 |
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-0.4 |
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68.0 |
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in |
2018 |
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47.3 |
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in |
1964 |
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| Month Average Dew Point |
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64.8 |
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67.1 |
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64.6 |
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+0.1 |
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71.1 |
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in |
2018 |
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52.5 |
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in |
1964 |
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| Precipitation |
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.58 |
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.00 |
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.12 |
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+.46 |
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1.55 |
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in |
1955 |
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| One Hour
Rain |
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.55 |
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.00 |
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.81 |
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in |
1955 |
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| Half Hour
Rain |
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.55 |
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.00 |
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.68 |
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in |
2018 |
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| Hourly Rain Rate |
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6.19 |
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.00 |
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6.62 |
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in |
2018 |
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| Month Precipitation |
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4.15 |
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.62 |
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2.15 |
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+2.00 |
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8.35 |
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in |
1992 |
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.08 |
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in |
1940 |
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| Year Precipitation |
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34.40 |
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24.03 |
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27.80 |
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+6.60 |
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43.94 |
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in |
1983 |
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15.70 |
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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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August 18, 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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87% |
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93% |
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+6% |
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100% |
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in |
2019 |
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73% |
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in |
1954 |
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| Minimum
Humidity |
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74% |
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44% |
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57% |
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+17% |
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96% |
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in |
1986 |
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30% |
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in |
1988 |
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| Average Humidity |
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87% |
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66% |
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75% |
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+11% |
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98% |
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in |
1986 |
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55% |
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in |
1954 |
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| Maximum Barometer |
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29.96 |
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29.93 |
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30.04 |
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-00.08 |
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30.37 |
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in |
1989 |
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29.75 |
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in |
1958 |
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| Minimum
Barometer |
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29.64 |
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29.82 |
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29.84 |
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-00.20 |
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30.20 |
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in |
1961 |
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29.45 |
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in |
1988 |
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| Average Barometer |
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29.80 |
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29.88 |
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29.94 |
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-00.14 |
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30.28 |
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in |
1961 |
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29.66 |
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in |
1958 |
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| Average
Wind |
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6.5 |
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7.6 |
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5.6 |
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+0.9 |
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12.5 |
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in |
1988 |
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1.4 |
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in |
1992 |
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| Direction |
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SSW |
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WNW |
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WNW |
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NNW |
WNW |
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| High
Wind Gust |
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28 |
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28 |
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20 |
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+8 |
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33 |
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in |
1991 |
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9 |
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in |
2010 |
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| Direction |
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SSE |
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SSW |
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S |
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SW |
NNW |
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| Maximum Water Temp |
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71.1 |
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72.3 |
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71.9 |
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-0.8 |
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75.4 |
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in |
2012 |
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67.6 |
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in |
2020 |
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| Minimum
Water Temp |
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69.6 |
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70.7 |
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68.8 |
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+0.8 |
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73.4 |
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in |
2018 |
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64.0 |
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in |
2008 |
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| Average Water Temp |
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70.4 |
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71.5 |
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70.4 |
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+0.0 |
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74.2 |
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in |
2018 |
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66.7 |
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in |
2020 |
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| Sunrise/ AM Twilight |
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5:56:38 AM |
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4:55:37 AM |
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| Sunset /
PM Twilight |
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7:40:30 PM |
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8:47:33 PM |
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| Length Of Day |
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13:43:52 |
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| Special Conditions |
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Dense Fog |
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| Comments |
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| Hour-by-Hour Weather For August 18, 2023 |
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| Climate Weather for August 18 |
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| Weather History For August 18 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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