| Portsmouth Rhode Island Weather Almanac |
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| Monday,
October 4, 2021 |
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| Cloudy,
Moderate Rain and Fog, Much Cooler |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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October 4, 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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62 |
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70 |
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66 |
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-4 |
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83 |
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in |
1941 |
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51 |
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in |
1996 |
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| Minimum
Temperature |
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57 |
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46 |
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51 |
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+6 |
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65 |
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in |
2007 |
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34 |
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in |
1945 |
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| Average Temperature |
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60 |
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58 |
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59 |
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+1 |
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74 |
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in |
1941 |
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44 |
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in |
1996 |
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| Month Avg Max Temperature |
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68.3 |
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69.5 |
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67.0 |
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+1.3 |
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79.8 |
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in |
1927 |
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52.5 |
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in |
1899 |
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| Month Avg
Min Temperature |
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53.5 |
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50.8 |
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52.0 |
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+1.5 |
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62.8 |
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in |
1954 |
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38.3 |
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in |
1899 |
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| Month Average
Temperature |
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61.3 |
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60.3 |
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59.5 |
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+1.8 |
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71.5 |
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in |
1927 |
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45.8 |
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in |
1899 |
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| High
Heat Index |
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85 |
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in |
1941 |
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| Low Wind Chill |
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34 |
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in |
1996 |
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| HDD |
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5 |
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7 |
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6 |
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-1 |
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21 |
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in |
1996 |
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0 |
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in |
2009 |
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| Month HDD |
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17 |
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20 |
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22 |
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-5 |
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77 |
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in |
1899 |
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0 |
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in |
1954 |
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| Season HDD |
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42 |
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76 |
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102 |
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-60 |
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254 |
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in |
1956 |
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29 |
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in |
1921 |
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| CDD |
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0 |
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0 |
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1 |
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-1 |
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9 |
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in |
1941 |
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0 |
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in |
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| Month CDD |
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2 |
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1 |
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4 |
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-2 |
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26 |
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in |
1927 |
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0 |
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in |
2018 |
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| Year CDD |
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788 |
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868 |
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607 |
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+181 |
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868 |
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in |
2020 |
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290 |
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in |
1902 |
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| Maximum 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 |
1986 |
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29 |
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in |
1965 |
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| Minimum
Dew Point |
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56 |
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41 |
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46 |
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+10 |
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64 |
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in |
2007 |
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19 |
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in |
1965 |
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| Average Dew Point |
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59 |
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48 |
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52 |
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+7 |
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67 |
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in |
2007 |
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24 |
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in |
1965 |
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| Month Avg Max Dew Point |
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59.8 |
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58.0 |
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58.5 |
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+1.3 |
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67.5 |
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in |
1954 |
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39.3 |
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in |
1974 |
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| Month Avg
Min Dew Point |
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51.0 |
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47.3 |
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46.5 |
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+4.5 |
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61.0 |
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in |
1954 |
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31.5 |
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in |
1965 |
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| Month Average Dew Point |
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55.8 |
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53.0 |
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52.5 |
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+3.3 |
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64.3 |
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in |
1954 |
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35.5 |
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in |
1974 |
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| Precipitation |
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1.07 |
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.00 |
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.14 |
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+.93 |
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1.54 |
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in |
1999 |
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| One Hour |
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.41 |
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.00 |
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.66 |
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in |
1999 |
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| Hourly Rate |
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1.49 |
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.00 |
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2.44 |
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in |
2014 |
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| Month Precipitation |
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1.10 |
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.00 |
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.56 |
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+.54 |
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2.51 |
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in |
1984 |
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.00 |
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in |
2020 |
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| Year Precipitation |
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40.20 |
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25.26 |
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33.64 |
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+6.56 |
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48.53 |
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in |
1998 |
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17.64 |
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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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October
4, 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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99% |
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88% |
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92% |
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+7% |
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100% |
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in |
2007 |
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52% |
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in |
1965 |
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| Minimum
Humidity |
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96% |
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41% |
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60% |
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+36% |
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97% |
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in |
1985 |
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33% |
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in |
1963 |
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| Average Humidity |
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98% |
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65% |
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76% |
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+22% |
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99% |
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in |
1985 |
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46% |
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in |
1965 |
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| Maximum Barometer |
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30.11 |
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30.30 |
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30.11 |
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+00.00 |
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30.60 |
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in |
1996 |
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29.73 |
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in |
1987 |
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| Minimum
Barometer |
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29.95 |
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30.12 |
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29.88 |
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+00.07 |
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30.33 |
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in |
1972 |
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29.30 |
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in |
1986 |
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| Average Barometer |
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30.03 |
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30.21 |
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29.99 |
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+00.04 |
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30.40 |
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in |
1996 |
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29.53 |
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in |
1986 |
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| Average Wind |
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6.4 |
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4.5 |
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7.2 |
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-0.8 |
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14.6 |
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in |
1965 |
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1.5 |
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in |
2005 |
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| Direction |
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ENE |
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NNW |
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W |
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WNW |
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SSE |
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| High Wind Gust |
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18 |
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14 |
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24 |
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-6 |
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56 |
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in |
1917 |
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10 |
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in |
2005 |
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| Direction |
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NNE |
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SW |
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WNW |
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S |
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SE |
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| Maximum Water Temp |
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65.5 |
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67.5 |
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64.9 |
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+0.6 |
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68.2 |
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in |
2007 |
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59.5 |
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in |
2010 |
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| Minimum
Water Temp |
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64.6 |
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66.6 |
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63.2 |
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+1.4 |
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66.6 |
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in |
2021 |
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57.6 |
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in |
2010 |
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| Average Water Temp |
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65.1 |
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67.1 |
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64.0 |
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+1.0 |
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67.1 |
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in |
2021 |
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58.5 |
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in |
2010 |
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| Sunrise/ AM Twilight |
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6:44:19 AM |
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6:18:07 AM |
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| Sunset /
PM Twilight |
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6:23:20 PM |
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6:49:32 PM |
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| Length Of Day |
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11:39:01 |
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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 October 4, 2021 |
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| Climate Weather for October 4 |
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| Weather History For October 4 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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