| Portsmouth Rhode Island Weather Almanac |
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| Friday, July
30, 2021 |
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| Mostly
Cloudy & Fog early, Clear Day to Partly Cloudy PM, Breezy, Seasonal Temps |
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| Climate Normal
Period |
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Climate Record Period |
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| 1991- 2020 |
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1893 - 2021 |
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July 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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81 |
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88 |
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80 |
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+1 |
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93 |
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in |
1949 |
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64 |
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in |
1914 |
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| Minimum
Temperature |
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65 |
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73 |
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65 |
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+0 |
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73 |
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in |
2020 |
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54 |
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in |
1968 |
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| Average Temperature |
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73 |
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81 |
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73 |
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+0 |
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83 |
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in |
1949 |
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61 |
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in |
1914 |
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| Month Avg Max Temperature |
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79.1 |
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83.5 |
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79.7 |
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-0.6 |
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84.7 |
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in |
1952 |
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74.1 |
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in |
1902 |
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| Month
Avg Min Temperature |
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64.9 |
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67.2 |
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64.6 |
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+0.3 |
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69.9 |
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in |
2013 |
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59.4 |
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in |
1962 |
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| Month Average
Temperature |
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72.3 |
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75.7 |
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72.6 |
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-0.3 |
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76.1 |
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in |
2013 |
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67.7 |
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in |
1914 |
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| HDD |
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0 |
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0 |
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0 |
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+0 |
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4 |
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in |
1914 |
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0 |
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in |
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| Month HDD |
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9 |
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0 |
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3 |
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+6 |
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32 |
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in |
1914 |
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0 |
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in |
2020 |
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| Season HDD |
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9 |
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0 |
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3 |
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+6 |
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32 |
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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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8 |
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16 |
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8 |
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+0 |
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18 |
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in |
1949 |
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0 |
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in |
2001 |
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| Month CDD |
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228 |
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320 |
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227 |
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+1 |
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334 |
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in |
2013 |
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102 |
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in |
1902 |
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| Year CDD |
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390 |
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453 |
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320 |
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+70 |
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468 |
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in |
2010 |
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127 |
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in |
1902 |
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| Maximum Dew Point |
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70 |
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75 |
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69 |
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+1 |
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76 |
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in |
2019 |
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54 |
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in |
1968 |
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| Minimum
Dew Point |
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50 |
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69 |
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61 |
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-11 |
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69 |
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in |
2020 |
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44 |
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in |
1997 |
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| Average Dew Point |
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60 |
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72 |
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65 |
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-5 |
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73 |
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in |
2019 |
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49 |
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in |
1968 |
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| Month Avg Max Dew Point |
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70.4 |
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71.7 |
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68.6 |
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+1.8 |
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73.4 |
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in |
1994 |
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61.9 |
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in |
1965 |
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| Month
Avg Min Dew Point |
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61.6 |
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63.8 |
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60.2 |
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+1.3 |
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67.0 |
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in |
2013 |
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51.8 |
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in |
1965 |
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| Month Average Dew Point |
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66.0 |
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67.8 |
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64.4 |
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+1.6 |
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70.1 |
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in |
2013 |
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56.9 |
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in |
1965 |
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| Precipitation |
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.00 |
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.00 |
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.10 |
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-.10 |
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2.77 |
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in |
1963 |
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| One Hour |
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.00 |
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.00 |
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1.07 |
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in |
1963 |
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| Hourly Rate |
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.00 |
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.00 |
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2.27 |
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in |
2007 |
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| Month Precipitation |
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3.77 |
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1.30 |
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2.98 |
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+.79 |
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8.79 |
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in |
2009 |
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.36 |
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in |
1952 |
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| Year Precipitation |
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22.83 |
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22.32 |
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25.55 |
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-2.72 |
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41.06 |
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in |
1998 |
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14.32 |
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in |
1957 |
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| Snow |
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0.0 |
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0.0 |
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0.0 |
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+0.0 |
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0.0 |
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in |
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| Snow Depth |
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0 |
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0 |
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0 |
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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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July
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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97% |
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93% |
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+4% |
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100% |
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in |
2016 |
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70% |
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in |
1968 |
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| Minimum
Humidity |
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51% |
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57% |
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57% |
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-6% |
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97% |
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in |
1976 |
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35% |
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in |
1995 |
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| Average Humidity |
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74% |
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77% |
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75% |
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-1% |
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99% |
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in |
1976 |
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53% |
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in |
1968 |
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| Maximum Barometer |
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29.90 |
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29.89 |
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30.03 |
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-00.13 |
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30.39 |
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in |
1968 |
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29.77 |
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in |
1993 |
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| Minimum
Barometer |
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29.62 |
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29.79 |
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29.85 |
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-00.23 |
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30.17 |
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in |
2005 |
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29.25 |
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in |
1960 |
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| Average Barometer |
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29.76 |
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29.84 |
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29.94 |
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-00.18 |
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30.23 |
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in |
1984 |
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29.53 |
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in |
1960 |
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| Average Wind |
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8.5 |
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5.4 |
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5.1 |
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+3.4 |
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13.4 |
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in |
1960 |
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1.0 |
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in |
1965 |
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| Direction |
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NW |
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SW |
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SSW |
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S |
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SSE |
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| High Wind Gust |
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24 |
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24 |
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19 |
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+5 |
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48 |
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in |
1960 |
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8 |
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in |
2005 |
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| Direction |
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NW |
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WSW |
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S |
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SSE |
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S |
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| High
Heat Index |
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83 |
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97 |
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83 |
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+0 |
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104 |
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in |
2019 |
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| Low Wind Chill |
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#N/A |
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in |
#N/A |
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| Maximum Water Temp |
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73.6 |
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69.6 |
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71.6 |
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+2.0 |
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74.7 |
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in |
2006 |
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67.3 |
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in |
2017 |
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| Minimum
Water Temp |
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72.1 |
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65.5 |
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68.0 |
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+4.1 |
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72.1 |
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in |
2021 |
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65.7 |
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in |
2017 |
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| Average Water Temp |
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72.9 |
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67.6 |
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69.9 |
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+3.0 |
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72.9 |
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in |
2021 |
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65.7 |
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in |
2017 |
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| Sunrise/ AM Twilight |
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5:39:11 AM |
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5:07:59 AM |
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| Sunset /
PM Twilight |
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8:04:07 PM |
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8:35:19 PM |
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| Length Of Day |
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14:24:56 |
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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 July 30, 2021 |
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| Climate Weather for July 30 |
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| Weather History For July 30 |
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| Weather Calendar |
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To Weather Stat Page |
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