| Portsmouth Rhode Island Weather Almanac |
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| Friday,
September 3, 2021 |
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| Partly
Cloudy to Clear PM, Cool and Pleasant |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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September 3, 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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81 |
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76 |
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-2 |
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93 |
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in |
1929 |
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65 |
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in |
1943 |
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| Minimum
Temperature |
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57 |
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71 |
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61 |
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-4 |
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72 |
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in |
1973 |
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45 |
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in |
1893 |
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| Average Temperature |
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66 |
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76 |
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68 |
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-2 |
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82 |
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in |
1929 |
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57 |
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in |
1893 |
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| Month Avg Max Temperature |
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73.3 |
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76.7 |
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76.3 |
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-3.0 |
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90.3 |
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in |
1929 |
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66.3 |
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in |
2003 |
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| Month Avg
Min Temperature |
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59.3 |
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64.3 |
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61.3 |
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-2.0 |
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72.3 |
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in |
1959 |
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50.0 |
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in |
2017 |
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| Month Average
Temperature |
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66.7 |
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70.7 |
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68.7 |
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-2.0 |
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80.3 |
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in |
1898 |
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59.0 |
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in |
2017 |
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| High
Heat Index |
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73 |
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85 |
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77 |
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-4 |
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101 |
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in |
1973 |
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| Low Wind Chill |
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#N/A |
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in |
#N/A |
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| HDD |
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0 |
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0 |
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1 |
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-1 |
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8 |
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in |
1893 |
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0 |
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in |
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| Month HDD |
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0 |
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0 |
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3 |
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-3 |
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18 |
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in |
2017 |
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0 |
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in |
2021 |
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| Season HDD |
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9 |
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0 |
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10 |
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-1 |
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42 |
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in |
1905 |
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0 |
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in |
2020 |
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| CDD |
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1 |
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11 |
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4 |
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-3 |
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17 |
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in |
1929 |
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0 |
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in |
2017 |
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| Month CDD |
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5 |
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17 |
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14 |
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-9 |
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46 |
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in |
1898 |
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0 |
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in |
2017 |
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| Year CDD |
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688 |
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783 |
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551 |
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+137 |
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783 |
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in |
2020 |
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267 |
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in |
1902 |
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| Maximum Dew Point |
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59 |
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74 |
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65 |
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-6 |
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76 |
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in |
2010 |
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48 |
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in |
1960 |
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| Minimum
Dew Point |
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51 |
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64 |
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57 |
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-6 |
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72 |
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in |
1959 |
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39 |
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in |
1967 |
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| Average Dew Point |
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55 |
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69 |
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61 |
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-6 |
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74 |
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in |
1959 |
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45 |
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in |
1960 |
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| Month Avg Max Dew Point |
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63.3 |
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70.0 |
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65.7 |
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-2.3 |
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74.3 |
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in |
1959 |
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51.7 |
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in |
1970 |
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| Month Avg
Min Dew Point |
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54.7 |
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60.0 |
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57.0 |
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-2.3 |
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71.7 |
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in |
1959 |
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39.7 |
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in |
1991 |
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| Month Average Dew Point |
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59.3 |
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65.0 |
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57.0 |
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+2.3 |
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73.0 |
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in |
1959 |
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46.3 |
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in |
1970 |
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| Precipitation |
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.00 |
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T |
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.11 |
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-.11 |
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2.87 |
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in |
1972 |
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| One Hour |
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.00 |
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T |
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.52 |
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in |
2010 |
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| Hourly Rate |
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.00 |
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.00 |
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5.24 |
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in |
2010 |
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| Month Precipitation |
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6.45 |
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.31 |
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.33 |
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+6.12 |
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6.45 |
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in |
2021 |
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.00 |
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in |
2019 |
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| Year Precipitation |
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35.55 |
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24.34 |
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29.61 |
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+5.94 |
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45.30 |
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in |
1998 |
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16.55 |
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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
3, 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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86% |
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99% |
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93% |
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-7% |
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100% |
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in |
2017 |
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71% |
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in |
1953 |
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| Minimum
Humidity |
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52% |
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75% |
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60% |
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-8% |
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95% |
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in |
1986 |
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33% |
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in |
1960 |
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| Average Humidity |
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69% |
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87% |
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77% |
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-8% |
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98% |
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in |
1986 |
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54% |
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in |
1960 |
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| Maximum Barometer |
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30.00 |
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29.83 |
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30.09 |
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-00.09 |
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30.48 |
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in |
1986 |
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29.74 |
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in |
1957 |
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| Minimum
Barometer |
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29.43 |
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29.73 |
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29.88 |
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-00.45 |
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30.24 |
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in |
1994 |
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29.32 |
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in |
2010 |
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| Average Barometer |
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29.72 |
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29.78 |
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29.99 |
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-00.27 |
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30.30 |
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in |
1994 |
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29.63 |
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in |
2010 |
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| Average Wind |
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6.8 |
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4.2 |
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5.9 |
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+0.9 |
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17.9 |
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in |
1972 |
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1.2 |
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in |
2009 |
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| Direction |
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NW |
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SW |
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SW |
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NNE |
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SE |
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| High Wind Gust |
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20 |
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16 |
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20 |
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-0 |
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48 |
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in |
1972 |
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10 |
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in |
1976 |
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| Direction |
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NNW |
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WNW |
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NNW |
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NNE |
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S |
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| Maximum Water Temp |
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71.6 |
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69.1 |
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70.4 |
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+1.2 |
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75.2 |
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in |
2010 |
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65.8 |
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in |
2017 |
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| Minimum
Water Temp |
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70.9 |
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67.6 |
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68.1 |
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+2.8 |
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71.1 |
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in |
2018 |
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64.1 |
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in |
2017 |
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| Average Water Temp |
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71.3 |
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68.4 |
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69.3 |
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+2.0 |
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72.4 |
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in |
2018 |
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65.0 |
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in |
2017 |
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| Sunrise/ AM Twilight |
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6:12:32 AM |
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5:45:40 AM |
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| Sunset /
PM Twilight |
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7:16:23 PM |
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7:43:15 PM |
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| Length Of Day |
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13:03:51 |
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| Special Conditions |
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None |
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| Comments |
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| Hour-by-Hour Weather For September 3, 2021 |
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| Climate Weather for September 3 |
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| Weather History For September 3 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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