| Portsmouth Rhode Island Weather Almanac |
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| Monday, August
30, 2021 |
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| Cloudy early,
Partly Cloudy Day to Mostly Cloudy PM, Much Warmer and Muggy |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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August 30, 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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82 |
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81 |
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77 |
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+5 |
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94 |
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in |
1973 |
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62 |
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in |
1903 |
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| Minimum
Temperature |
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68 |
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57 |
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62 |
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+6 |
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71 |
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in |
2018 |
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46 |
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in |
1986 |
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| Average Temperature |
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75 |
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69 |
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70 |
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+5 |
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82 |
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in |
1973 |
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58 |
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in |
1986 |
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| Month Avg Max Temperature |
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81.4 |
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82.9 |
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78.6 |
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+2.8 |
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82.9 |
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in |
2020 |
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73.4 |
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in |
1903 |
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| Month Avg
Min Temperature |
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66.9 |
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66.7 |
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63.8 |
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+3.1 |
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68.2 |
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in |
2018 |
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57.3 |
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in |
1964 |
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| Month Average Temperature |
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74.4 |
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75.0 |
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71.2 |
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+3.2 |
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75.5 |
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in |
2018 |
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65.9 |
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in |
1964 |
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| High Heat
Index |
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88 |
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80 |
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79 |
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+9 |
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103 |
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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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7 |
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in |
1986 |
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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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36 |
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in |
1905 |
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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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6 |
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+3 |
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40 |
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in |
1914 |
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0 |
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in |
2020 |
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| CDD |
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10 |
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4 |
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5 |
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+5 |
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17 |
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in |
1973 |
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0 |
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in |
2017 |
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| Month CDD |
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282 |
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301 |
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204 |
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+78 |
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316 |
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in |
2018 |
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54 |
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in |
1964 |
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| Year CDD |
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672 |
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765 |
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532 |
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+140 |
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765 |
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in |
2020 |
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244 |
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in |
1902 |
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| Maximum Dew Point |
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75 |
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70 |
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66 |
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+9 |
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75 |
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in |
2021 |
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39 |
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in |
1965 |
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| Minimum
Dew Point |
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67 |
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50 |
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58 |
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+9 |
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71 |
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in |
2004 |
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31 |
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in |
1965 |
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| Average Dew Point |
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71 |
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60 |
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62 |
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+9 |
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73 |
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in |
2004 |
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35 |
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in |
1965 |
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| Month Avg Max Dew Point |
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72.5 |
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70.8 |
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68.0 |
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+4.6 |
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72.5 |
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in |
2021 |
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60.4 |
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in |
1964 |
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| Month Avg
Min Dew Point |
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64.1 |
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61.8 |
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59.7 |
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+4.4 |
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65.2 |
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in |
2018 |
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50.4 |
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in |
1964 |
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| Month Average Dew Point |
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68.3 |
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66.3 |
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63.8 |
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+4.5 |
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68.8 |
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in |
2018 |
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55.4 |
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in |
1964 |
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| Precipitation |
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.00 |
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.00 |
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.11 |
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-.11 |
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3.72 |
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in |
1985 |
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| One Hour |
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.00 |
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.00 |
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1.01 |
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in |
1985 |
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| Hourly Rate |
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.00 |
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.00 |
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3.74 |
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in |
2005 |
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| Month Precipitation |
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6.27 |
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1.65 |
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3.52 |
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+2.75 |
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11.77 |
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in |
1946 |
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.33 |
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in |
1993 |
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| Year Precipitation |
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29.10 |
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24.03 |
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29.17 |
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-.07 |
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45.24 |
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in |
1998 |
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16.54 |
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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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August
30, 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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97% |
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96% |
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92% |
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+5% |
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100% |
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in |
2017 |
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59% |
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in |
1953 |
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| Minimum
Humidity |
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79% |
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42% |
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60% |
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+19% |
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93% |
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in |
2005 |
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29% |
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in |
1995 |
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| Average Humidity |
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88% |
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69% |
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76% |
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+12% |
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96% |
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in |
2005 |
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45% |
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in |
1953 |
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| Maximum Barometer |
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30.07 |
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29.94 |
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30.08 |
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-00.01 |
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30.55 |
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in |
1986 |
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29.85 |
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in |
1989 |
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| Minimum
Barometer |
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29.77 |
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29.43 |
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29.88 |
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-00.11 |
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30.17 |
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in |
2000 |
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29.43 |
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in |
2020 |
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| Average Barometer |
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29.92 |
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29.69 |
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29.98 |
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-00.06 |
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30.30 |
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in |
1986 |
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29.68 |
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in |
1989 |
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| Average Wind |
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6.9 |
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7.9 |
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5.3 |
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+1.6 |
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11.1 |
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in |
1965 |
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1.1 |
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in |
2008 |
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| Direction |
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SW |
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NW |
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SSW |
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W |
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SSW |
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| High Wind Gust |
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25 |
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28 |
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20 |
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+5 |
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35 |
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in |
1965 |
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10 |
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in |
2008 |
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| Direction |
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SSW |
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W |
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SW |
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WNW |
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S |
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| Maximum Water Temp |
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76.3 |
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65.1 |
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70.5 |
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+5.8 |
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76.3 |
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in |
2021 |
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65.1 |
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in |
2020 |
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| Minimum
Water Temp |
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73.4 |
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63.0 |
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68.2 |
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+5.2 |
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73.4 |
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in |
2021 |
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#N/A |
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in |
2020 |
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| Average Water Temp |
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74.9 |
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64.1 |
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69.3 |
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+5.5 |
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74.9 |
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in |
2021 |
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64.1 |
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in |
2020 |
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| Sunrise/ AM Twilight |
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6:10:32 AM |
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5:42:06 AM |
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| Sunset /
PM Twilight |
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7:20:32 PM |
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7:48:58 PM |
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| Length Of Day |
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13:10:00 |
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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 August 30, 2021 |
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| Climate Weather for August 30 |
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| Weather History For August 30 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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