| Portsmouth Rhode Island Weather Almanac |
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| Sunday,
September 26, 2021 |
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| Cloudy,
Heavy Rain/Thunderstorm early then Clear, Cooler Late |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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September 26, 2021 |
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Record |
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Record |
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| Observed Daily Data |
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2021 |
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2020 |
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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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74 |
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76 |
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69 |
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+5 |
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86 |
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in |
1920 |
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55 |
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in |
2000 |
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| Minimum
Temperature |
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57 |
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58 |
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55 |
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+2 |
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69 |
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in |
2018 |
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41 |
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in |
1956 |
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| Average Temperature |
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66 |
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67 |
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62 |
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+4 |
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76 |
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in |
1930 |
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50 |
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in |
1956 |
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| Month Avg Max Temperature |
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75.6 |
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74.6 |
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72.7 |
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+2.9 |
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78.8 |
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in |
1961 |
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67.3 |
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in |
1963 |
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| Month Avg
Min Temperature |
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61.3 |
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57.0 |
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58.0 |
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+3.3 |
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63.6 |
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in |
1961 |
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52.1 |
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in |
1962 |
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| Month Average
Temperature |
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68.8 |
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66.1 |
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65.3 |
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+3.4 |
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71.3 |
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in |
1961 |
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60.2 |
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in |
1963 |
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| High
Heat Index |
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74 |
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77 |
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70 |
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+4 |
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91 |
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in |
1958 |
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| Low Wind Chill |
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38 |
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in |
1956 |
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| HDD |
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0 |
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0 |
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4 |
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-4 |
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15 |
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in |
1956 |
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0 |
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in |
2021 |
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| Month HDD |
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2 |
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56 |
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53 |
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-51 |
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143 |
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in |
1956 |
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2 |
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in |
2021 |
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| Season HDD |
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11 |
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56 |
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60 |
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-49 |
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174 |
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in |
1956 |
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10 |
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in |
1930 |
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| CDD |
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1 |
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2 |
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1 |
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+0 |
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11 |
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in |
1930 |
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0 |
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in |
2016 |
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| Month CDD |
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100 |
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84 |
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62 |
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+38 |
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180 |
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in |
1961 |
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7 |
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in |
1893 |
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| Year CDD |
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783 |
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850 |
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599 |
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+184 |
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850 |
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in |
2020 |
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283 |
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in |
1902 |
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| Maximum Dew Point |
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65 |
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65 |
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61 |
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+4 |
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74 |
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in |
2018 |
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40 |
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in |
1966 |
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| Minimum
Dew Point |
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50 |
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57 |
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50 |
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+0 |
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69 |
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in |
2018 |
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14 |
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in |
1957 |
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| Average Dew Point |
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58 |
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61 |
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55 |
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+3 |
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72 |
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in |
2018 |
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31 |
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in |
1957 |
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| Month Avg Max Dew Point |
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67.4 |
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61.6 |
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63.2 |
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+4.2 |
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67.7 |
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in |
2018 |
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55.2 |
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in |
1966 |
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| Month Avg
Min Dew Point |
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57.7 |
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50.0 |
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53.5 |
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+4.2 |
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58.9 |
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in |
1961 |
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44.9 |
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in |
1967 |
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| Month Average Dew Point |
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62.8 |
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56.0 |
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58.3 |
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+4.5 |
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63.5 |
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in |
2018 |
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50.3 |
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in |
1967 |
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| Precipitation |
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.48 |
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.00 |
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.14 |
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+.34 |
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2.53 |
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in |
2008 |
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| One Hour |
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.36 |
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.00 |
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.98 |
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in |
1992 |
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| Hourly Rate |
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1.89 |
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.00 |
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2.26 |
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in |
2008 |
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| Month Precipitation |
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9.45 |
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.66 |
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3.24 |
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+6.21 |
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10.67 |
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in |
1961 |
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.31 |
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in |
1959 |
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| Year Precipitation |
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38.55 |
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24.69 |
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32.52 |
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+6.03 |
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48.03 |
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in |
1998 |
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17.64 |
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in |
1957 |
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| Snow |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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in |
#N/A |
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| Snow Depth |
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#N/A |
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#N/A |
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#N/A |
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in |
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| Month Snow |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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in |
#N/A |
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#N/A |
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in |
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| Season Snow |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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in |
#N/A |
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#N/A |
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in |
#N/A |
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September
26, 2021 |
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|
Record |
Record |
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| Observed Daily Data |
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2021 |
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2020 |
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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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94% |
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+5% |
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100% |
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in |
2018 |
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74% |
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in |
1987 |
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| Minimum
Humidity |
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50% |
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66% |
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60% |
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-10% |
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93% |
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in |
1975 |
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24% |
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in |
1957 |
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| Average Humidity |
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75% |
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82% |
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77% |
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-2% |
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96% |
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in |
1975 |
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53% |
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in |
1951 |
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| Maximum Barometer |
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29.92 |
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30.16 |
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30.15 |
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-00.23 |
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30.57 |
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in |
1925 |
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29.81 |
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in |
1954 |
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| Minimum
Barometer |
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29.75 |
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30.07 |
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29.91 |
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-00.16 |
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30.35 |
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in |
2015 |
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29.30 |
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in |
1991 |
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| Average Barometer |
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29.84 |
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30.12 |
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30.03 |
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-00.19 |
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30.42 |
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in |
2015 |
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29.57 |
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in |
1991 |
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| Average Wind |
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6.9 |
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3.8 |
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5.8 |
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+1.1 |
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13.4 |
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in |
2000 |
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2.1 |
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in |
2011 |
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| Direction |
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NW |
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SSE |
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SSW |
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NE |
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SW |
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| High Wind Gust |
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25 |
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17 |
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21 |
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+4 |
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38 |
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in |
1984 |
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10 |
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in |
1971 |
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| Direction |
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NW |
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S |
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S |
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WNW |
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SW |
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| Maximum Water Temp |
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71.2 |
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67.5 |
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67.0 |
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+4.2 |
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71.2 |
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in |
2021 |
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63.7 |
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in |
1996 |
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| Minimum
Water Temp |
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70.2 |
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65.8 |
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65.1 |
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+5.1 |
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70.2 |
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in |
2021 |
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61.7 |
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in |
2000 |
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| Average Water Temp |
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70.7 |
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66.7 |
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66.1 |
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+4.6 |
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70.7 |
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in |
2021 |
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62.9 |
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in |
1996 |
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| Sunrise/ AM Twilight |
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6:35:56 AM |
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6:09:45 AM |
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| Sunset /
PM Twilight |
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6:36:55 PM |
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7:03:06 PM |
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| Length Of Day |
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12:00:59 |
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| Special Conditions |
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Fog, Thunderstorm |
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| Comments |
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| Hour-by-Hour Weather For September 26, 2021 |
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| Climate Weather for September 26 |
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| Weather History For September 26 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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