| Portsmouth Rhode Island Weather Almanac |
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| Friday,
September 24, 2021 |
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| Cloudy
early, Partly Cloudy Day w/Rain Shower, Mostly Cloudy PM, Warm & Humid |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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September 24, 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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75 |
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77 |
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70 |
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+5 |
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82 |
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in |
2017 |
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55 |
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in |
1992 |
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| Minimum
Temperature |
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64 |
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56 |
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55 |
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+9 |
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67 |
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in |
2011 |
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39 |
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in |
1953 |
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| Average Temperature |
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70 |
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67 |
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62 |
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+8 |
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73 |
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in |
1984 |
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48 |
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in |
1992 |
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| Month Avg Max Temperature |
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75.6 |
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74.3 |
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73.0 |
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+2.6 |
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79.6 |
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in |
1983 |
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67.7 |
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in |
1963 |
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| Month Avg
Min Temperature |
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61.5 |
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56.8 |
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58.3 |
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+3.3 |
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63.4 |
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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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68.9 |
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65.9 |
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65.6 |
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+3.3 |
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71.5 |
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in |
1961 |
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60.6 |
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in |
1963 |
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| High
Heat Index |
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76 |
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77 |
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69 |
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+7 |
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84 |
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in |
1984 |
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| Low Wind Chill |
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36 |
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in |
1992 |
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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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17 |
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in |
1992 |
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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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45 |
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-43 |
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118 |
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in |
1963 |
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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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52 |
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-41 |
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149 |
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in |
1956 |
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5 |
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in |
2015 |
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| CDD |
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5 |
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2 |
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1 |
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+4 |
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8 |
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in |
1984 |
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0 |
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in |
2018 |
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| Month CDD |
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95 |
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77 |
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60 |
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+35 |
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170 |
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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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778 |
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843 |
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597 |
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+181 |
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843 |
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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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72 |
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61 |
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61 |
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+11 |
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72 |
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in |
2021 |
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37 |
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in |
1950 |
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| Minimum
Dew Point |
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60 |
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52 |
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50 |
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+10 |
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66 |
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in |
2011 |
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26 |
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in |
1963 |
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| Average Dew Point |
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66 |
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57 |
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56 |
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+10 |
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69 |
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in |
2011 |
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33 |
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in |
1963 |
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| Month Avg Max Dew Point |
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67.6 |
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61.3 |
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63.4 |
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+4.2 |
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67.6 |
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in |
2021 |
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55.5 |
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in |
1984 |
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| Month Avg
Min Dew Point |
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58.0 |
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49.4 |
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53.8 |
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+4.3 |
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59.0 |
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in |
1961 |
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44.8 |
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in |
1984 |
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| Month Average Dew Point |
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63.0 |
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55.5 |
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58.5 |
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+4.5 |
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63.3 |
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in |
2018 |
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50.2 |
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in |
1984 |
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| Precipitation |
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.08 |
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.00 |
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.13 |
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-.05 |
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2.26 |
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in |
1975 |
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| One Hour |
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.08 |
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.00 |
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.40 |
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in |
2019 |
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| Hourly Rate |
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.28 |
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.00 |
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1.82 |
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in |
2019 |
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| Month Precipitation |
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8.74 |
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.66 |
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2.97 |
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+5.77 |
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9.58 |
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in |
1960 |
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.31 |
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in |
1959 |
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| Year Precipitation |
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37.84 |
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24.69 |
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32.25 |
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+5.59 |
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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
24, 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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96% |
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88% |
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91% |
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+5% |
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100% |
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in |
2017 |
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70% |
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in |
1950 |
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| Minimum
Humidity |
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80% |
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52% |
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56% |
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+24% |
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98% |
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in |
1973 |
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32% |
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in |
1963 |
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| Average Humidity |
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88% |
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70% |
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73% |
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+15% |
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99% |
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in |
1973 |
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55% |
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in |
1988 |
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| Maximum Barometer |
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30.05 |
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30.01 |
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30.15 |
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-00.10 |
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30.61 |
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in |
1953 |
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29.69 |
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in |
1966 |
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| Minimum
Barometer |
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30.00 |
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29.87 |
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29.94 |
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+00.06 |
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30.41 |
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in |
2008 |
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29.43 |
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in |
1987 |
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| Average Barometer |
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30.03 |
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29.94 |
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30.05 |
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-00.02 |
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30.49 |
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in |
2014 |
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29.59 |
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in |
1964 |
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| Average Wind |
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7.5 |
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5.0 |
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6.1 |
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+1.4 |
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13.0 |
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in |
1966 |
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1.8 |
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in |
2004 |
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| Direction |
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SSE |
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SW |
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WNW |
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W |
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SE |
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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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39 |
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in |
1931 |
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10 |
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in |
2017 |
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| Direction |
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S |
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SW |
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NNE |
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NW |
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NNE |
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| Maximum Water Temp |
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71.8 |
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66.2 |
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67.2 |
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+4.6 |
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71.8 |
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in |
2021 |
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63.8 |
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in |
2013 |
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| Minimum
Water Temp |
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70.5 |
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64.6 |
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65.4 |
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+5.1 |
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70.5 |
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in |
2021 |
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61.9 |
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in |
1997 |
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| Average Water Temp |
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71.2 |
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65.4 |
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66.3 |
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+4.8 |
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71.2 |
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in |
2021 |
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62.9 |
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in |
1997 |
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| Sunrise/ AM Twilight |
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6:33:52 AM |
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6:07:40 AM |
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| Sunset /
PM Twilight |
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6:40:21 PM |
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7:06:33 PM |
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| Length Of Day |
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12:06:29 |
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| Special Conditions |
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Fog |
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| Comments |
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| Hour-by-Hour Weather For September 24, 2021 |
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| Climate Weather for September 24 |
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| Weather History For September 24 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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