| Portsmouth Rhode Island Weather Almanac |
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| Tuesday,
September 14, 2021 |
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| Partly
Cloudy to Cloudy PM, Light Winds and Cooler |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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September 14, 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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76 |
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77 |
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73 |
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+3 |
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84 |
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in |
1916 |
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58 |
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in |
1964 |
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| Minimum
Temperature |
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59 |
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56 |
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58 |
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+1 |
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69 |
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in |
1947 |
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43 |
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in |
1963 |
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| Average Temperature |
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68 |
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67 |
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65 |
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+3 |
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76 |
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in |
1903 |
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52 |
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in |
1963 |
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| Month Avg Max Temperature |
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76.0 |
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77.9 |
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74.6 |
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+1.4 |
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83.4 |
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in |
1983 |
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68.9 |
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in |
1917 |
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| Month Avg
Min Temperature |
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61.1 |
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61.3 |
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59.6 |
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+1.4 |
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67.0 |
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in |
1961 |
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51.6 |
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in |
1893 |
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| Month Average
Temperature |
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68.9 |
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69.9 |
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67.1 |
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+1.8 |
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75.4 |
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in |
1961 |
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62.2 |
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in |
1893 |
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| High
Heat Index |
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76 |
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77 |
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72 |
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+4 |
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88 |
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in |
1984 |
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| Low Wind Chill |
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41 |
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in |
1963 |
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| HDD |
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0 |
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0 |
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2 |
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-2 |
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13 |
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in |
1963 |
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0 |
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in |
2021 |
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| Month HDD |
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1 |
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3 |
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16 |
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-15 |
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57 |
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in |
1913 |
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0 |
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in |
2015 |
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| Season HDD |
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10 |
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3 |
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23 |
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-13 |
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94 |
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in |
1914 |
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0 |
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in |
2015 |
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| CDD |
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3 |
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2 |
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2 |
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+1 |
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11 |
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in |
1903 |
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0 |
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in |
2019 |
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| Month CDD |
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55 |
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71 |
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45 |
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+10 |
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145 |
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in |
1961 |
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1 |
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in |
1893 |
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| Year CDD |
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738 |
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837 |
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582 |
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+156 |
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837 |
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in |
2020 |
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280 |
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in |
1902 |
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| Maximum Dew Point |
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66 |
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66 |
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63 |
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+3 |
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74 |
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in |
1961 |
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43 |
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in |
1975 |
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| Minimum
Dew Point |
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56 |
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41 |
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53 |
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+3 |
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67 |
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in |
2005 |
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32 |
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in |
1959 |
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| Average Dew Point |
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61 |
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54 |
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58 |
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+3 |
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71 |
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in |
1961 |
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38 |
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in |
1959 |
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| Month Avg Max Dew Point |
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66.5 |
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67.4 |
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64.5 |
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+2.0 |
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70.6 |
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in |
1961 |
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54.6 |
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in |
1967 |
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| Month Avg
Min Dew Point |
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56.9 |
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56.1 |
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55.2 |
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+1.7 |
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63.9 |
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in |
1961 |
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43.6 |
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in |
1967 |
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| Month Average Dew Point |
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61.9 |
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61.9 |
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59.8 |
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+2.1 |
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67.3 |
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in |
1961 |
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49.1 |
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in |
1967 |
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| Precipitation |
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.00 |
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.00 |
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.13 |
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-.13 |
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2.62 |
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in |
1944 |
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| One Hour |
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.00 |
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.00 |
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.44 |
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in |
1956 |
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| Hourly Rate |
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.00 |
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.00 |
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.49 |
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in |
2008 |
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| Month Precipitation |
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7.60 |
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.66 |
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1.63 |
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+5.97 |
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7.60 |
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in |
2021 |
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T |
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in |
2005 |
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| Year Precipitation |
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36.70 |
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24.69 |
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30.91 |
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+5.79 |
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46.33 |
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in |
1998 |
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17.43 |
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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
14, 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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94% |
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95% |
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93% |
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+1% |
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100% |
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in |
2005 |
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73% |
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in |
1953 |
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| Minimum
Humidity |
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60% |
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45% |
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62% |
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-2% |
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96% |
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in |
2008 |
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32% |
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in |
1959 |
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| Average Humidity |
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77% |
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70% |
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78% |
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-1% |
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97% |
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in |
2008 |
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55% |
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in |
1959 |
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| Maximum Barometer |
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30.11 |
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30.20 |
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30.12 |
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-00.01 |
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30.54 |
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in |
1985 |
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29.63 |
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in |
1971 |
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| Minimum
Barometer |
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30.01 |
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29.98 |
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29.89 |
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+00.12 |
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30.29 |
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in |
2004 |
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28.38 |
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in |
1944 |
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| Average Barometer |
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30.06 |
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30.09 |
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30.01 |
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+00.05 |
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30.36 |
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in |
2004 |
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29.50 |
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in |
1971 |
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| Average Wind |
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4.0 |
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8.1 |
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6.4 |
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-2.4 |
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14.2 |
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in |
1979 |
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1.5 |
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in |
2006 |
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| Direction |
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SSE |
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NNW |
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SSW |
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S |
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SE |
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| High Wind Gust |
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15 |
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25 |
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22 |
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-7 |
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88 |
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in |
1944 |
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12 |
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in |
2018 |
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| Direction |
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SSE |
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NNE |
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SSW |
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SE |
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ENE |
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| Maximum Water Temp |
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71.4 |
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70.5 |
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69.0 |
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+2.4 |
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72.0 |
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in |
2005 |
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65.5 |
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in |
2006 |
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| Minimum
Water Temp |
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68.9 |
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68.9 |
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67.0 |
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+1.9 |
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69.8 |
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in |
2011 |
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64.4 |
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in |
2006 |
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| Average Water Temp |
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70.2 |
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69.7 |
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68.0 |
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+2.1 |
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70.5 |
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in |
2011 |
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65.0 |
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in |
2006 |
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| Sunrise/ AM Twilight |
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6:23:40 AM |
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5:57:16 AM |
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| Sunset /
PM Twilight |
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6:57:39 PM |
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7:24:03 PM |
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| Length Of Day |
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12:33:59 |
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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 14, 2021 |
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| Climate Weather for September 14 |
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| Weather History For September 14 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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