| Portsmouth Rhode Island Weather Almanac |
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| Friday,
August 13, 2021 |
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| Partly
Cloudy early then Clear, Light Winds, continued Hot and Humid |
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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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August 13, 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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91 |
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80 |
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79 |
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+12 |
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91 |
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in |
2021 |
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64 |
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in |
1996 |
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| Minimum
Temperature |
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72 |
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70 |
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64 |
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+8 |
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73 |
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in |
1988 |
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50 |
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in |
1957 |
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| Average Temperature |
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82 |
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75 |
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72 |
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+10 |
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82 |
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in |
2021 |
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61 |
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in |
1941 |
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| Month Avg Max Temperature |
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80.4 |
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85.1 |
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79.4 |
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+1.0 |
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85.1 |
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in |
2020 |
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71.5 |
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in |
1903 |
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| Month Avg
Min Temperature |
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65.2 |
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69.5 |
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64.7 |
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+0.5 |
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72.0 |
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in |
1988 |
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56.4 |
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in |
1964 |
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| Month Average
Temperature |
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73.1 |
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77.5 |
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72.0 |
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+1.1 |
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78.7 |
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in |
1988 |
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64.8 |
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in |
1964 |
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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 |
1941 |
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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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0 |
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+0 |
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18 |
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in |
1903 |
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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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3 |
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+6 |
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34 |
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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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17 |
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10 |
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7 |
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+10 |
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17 |
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in |
2021 |
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0 |
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in |
2006 |
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| Month CDD |
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105 |
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162 |
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98 |
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+7 |
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178 |
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in |
1988 |
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11 |
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in |
1964 |
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| Year CDD |
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495 |
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626 |
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426 |
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+69 |
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626 |
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in |
2020 |
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203 |
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in |
1902 |
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| Maximum Dew Point |
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76 |
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74 |
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68 |
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+8 |
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79 |
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in |
2016 |
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51 |
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in |
1966 |
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| Minimum
Dew Point |
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70 |
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66 |
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60 |
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+10 |
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71 |
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in |
2005 |
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42 |
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in |
1964 |
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| Average Dew Point |
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73 |
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70 |
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64 |
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+9 |
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74 |
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in |
2016 |
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48 |
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in |
1966 |
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| Month Avg Max Dew Point |
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71.0 |
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73.5 |
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68.9 |
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+2.1 |
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74.2 |
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in |
2018 |
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59.1 |
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in |
1964 |
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| Month Avg
Min Dew Point |
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62.9 |
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65.3 |
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61.0 |
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+1.9 |
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69.3 |
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in |
2003 |
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47.9 |
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in |
1964 |
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| Month Average Dew Point |
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67.0 |
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69.4 |
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64.8 |
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+2.1 |
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71.4 |
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in |
2003 |
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53.5 |
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in |
1964 |
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| Precipitation |
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.00 |
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.43 |
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.12 |
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-.12 |
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1.54 |
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in |
1942 |
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| One Hour |
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.00 |
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.37 |
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.77 |
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in |
2001 |
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| Hourly Rate |
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.00 |
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1.70 |
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5.76 |
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in |
2004 |
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| Month Precipitation |
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3.97 |
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.55 |
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1.55 |
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+2.42 |
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7.09 |
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in |
1952 |
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T |
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in |
2005 |
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| Year Precipitation |
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26.80 |
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22.93 |
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27.20 |
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-.40 |
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43.87 |
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in |
1983 |
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15.63 |
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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
13, 2021 |
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|
Record |
Record |
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| Observed Daily Data |
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2021 |
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2020 |
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Norm |
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Depart |
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Highest |
Lowest |
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| Maximum Humidity |
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96% |
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96% |
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93% |
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+3% |
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100% |
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in |
2018 |
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68% |
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in |
1966 |
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| Minimum
Humidity |
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58% |
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68% |
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61% |
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-3% |
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92% |
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in |
2018 |
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33% |
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in |
2006 |
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| Average Humidity |
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77% |
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82% |
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77% |
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-0% |
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96% |
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in |
2018 |
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54% |
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in |
1966 |
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| Maximum Barometer |
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30.04 |
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30.10 |
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30.06 |
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-00.02 |
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30.41 |
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in |
1986 |
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29.80 |
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in |
1964 |
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| Minimum
Barometer |
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29.97 |
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30.05 |
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29.86 |
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+00.11 |
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30.23 |
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in |
2003 |
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29.35 |
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in |
1963 |
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| Average Barometer |
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30.01 |
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30.08 |
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29.96 |
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+00.04 |
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30.27 |
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in |
2003 |
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29.62 |
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in |
1963 |
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| Average Wind |
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4.3 |
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2.6 |
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5.5 |
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-1.2 |
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16.5 |
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in |
1955 |
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2.0 |
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in |
2013 |
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| Direction |
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SW |
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NNW |
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SSW |
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ESE |
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SSW |
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| High Wind Gust |
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20 |
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13 |
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20 |
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+0 |
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46 |
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in |
1955 |
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11 |
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in |
2003 |
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| Direction |
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WSW |
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NE |
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SSW |
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ESE |
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S |
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| High
Heat Index |
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103 |
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81 |
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81 |
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+22 |
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104 |
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in |
2016 |
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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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74.1 |
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71.2 |
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71.8 |
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+2.3 |
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77.5 |
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in |
2016 |
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68.2 |
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in |
1997 |
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| Minimum
Water Temp |
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71.8 |
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68.9 |
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69.0 |
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+2.8 |
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74.3 |
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in |
2012 |
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65.8 |
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in |
2017 |
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| Average Water Temp |
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73.0 |
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70.1 |
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70.4 |
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+2.5 |
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75.6 |
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in |
2012 |
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67.3 |
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in |
2006 |
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| Sunrise/ AM Twilight |
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5:53:15 AM |
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5:23:27 AM |
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| Sunset /
PM Twilight |
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7:46:35 PM |
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8:16:23 PM |
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| Length Of Day |
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13:53:20 |
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| Special Conditions |
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None |
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| Comments |
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Record breaking high temperature |
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| Hour-by-Hour Weather For August 13, 2021 |
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| Climate Weather for August 13 |
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| Weather History For August 13 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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