| Portsmouth Rhode Island
Weather Almanac |
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| Saturday, July 4, 2020 |
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| Cloudy early, Mostly Cloudy Day to Partly Cloudy PM,
Continued Warm |
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| Climate Normal
Period |
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Climate Record Period |
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| 1981- 2010 |
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1893 - 2020 |
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July 4, 2020 |
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Record |
Record |
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| Observed Daily Data |
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Observed |
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2019 |
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Normal |
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Depart |
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Highest |
Lowest |
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| Maximum Temperature |
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80 |
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89 |
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78 |
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+2 |
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95 |
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in |
1949 |
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64 |
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in |
1978 |
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| Minimum
Temperature |
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63 |
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66 |
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62 |
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+1 |
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72 |
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in |
2018 |
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52 |
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in |
1914 |
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| Average Temperature |
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72 |
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78 |
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70 |
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+2 |
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83 |
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in |
1919 |
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60 |
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in |
1978 |
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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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3.01 |
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in |
2014 |
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| One Hour |
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.00 |
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.00 |
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.58 |
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in |
2014 |
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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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| 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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5 |
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in |
1978 |
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0 |
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in |
2020 |
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| CDD |
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7 |
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13 |
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6 |
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+1 |
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18 |
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in |
1919 |
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0 |
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in |
2005 |
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| Maximum Dew Point |
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69 |
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73 |
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67 |
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+2 |
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76 |
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in |
2018 |
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52 |
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in |
1963 |
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| Minimum
Dew Point |
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61 |
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62 |
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58 |
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+3 |
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70 |
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in |
2002 |
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40 |
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in |
1982 |
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| Average Dew Point |
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65 |
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68 |
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62 |
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+3 |
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73 |
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in |
2018 |
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47 |
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in |
1982 |
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| Maximum Humidity |
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94% |
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91% |
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92% |
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+2% |
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100% |
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in |
2003 |
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56% |
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in |
1953 |
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| Minimum
Humidity |
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67% |
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53% |
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56% |
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+11% |
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88% |
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in |
1973 |
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30% |
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in |
1956 |
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| Average Humidity |
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81% |
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72% |
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74% |
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+6% |
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94% |
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in |
1973 |
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45% |
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in |
1953 |
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| Maximum Barometer |
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29.95 |
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30.16 |
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30.01 |
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-00.06 |
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30.34 |
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in |
1988 |
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29.63 |
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in |
1996 |
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| Minimum
Barometer |
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29.87 |
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29.97 |
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29.81 |
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+00.06 |
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30.22 |
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in |
2018 |
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29.47 |
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in |
1990 |
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| Average Barometer |
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29.91 |
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30.07 |
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29.91 |
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-00.00 |
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30.27 |
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in |
2018 |
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29.56 |
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in |
1996 |
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| Average Wind |
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5.1 |
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3.7 |
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5.7 |
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-0.6 |
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13.1 |
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in |
1978 |
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1.8 |
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in |
1995 |
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| Direction |
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NNE |
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S |
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SW |
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NE |
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SSW |
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| High Wind Gust |
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20 |
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16 |
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20 |
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-0 |
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36 |
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in |
2014 |
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11 |
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in |
2015 |
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| Direction |
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NNE |
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S |
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SW |
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N |
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ESE |
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| High
Heat Index |
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82 |
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97 |
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80 |
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+2 |
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100 |
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in |
2002 |
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| 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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63.5 |
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70.3 |
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69.8 |
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-6.3 |
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76.6 |
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in |
2002 |
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63.5 |
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in |
2020 |
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| Minimum
Water Temp |
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60.4 |
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66.3 |
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65.1 |
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-4.7 |
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70.2 |
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in |
1998 |
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60.3 |
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in |
2003 |
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| Average Water Temp |
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62.0 |
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68.3 |
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67.4 |
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-5.5 |
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71.8 |
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in |
2002 |
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62.0 |
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in |
2020 |
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| Sunrise/ AM Twilight |
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5:17:04 AM |
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4:43:29 AM |
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| Sunset /
PM Twilight |
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8:22:26 PM |
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8:56:01 PM |
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| Length Of Day |
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15:04:29 |
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| Special Conditions |
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Fog |
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| Comments |
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July 4, 2020 |
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|
Record |
Record |
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| Month-to-Date Summary |
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Observed |
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2019 |
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Normal |
Depart |
Highest |
Lowest |
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| Avg Maximum Temperature |
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80.0 |
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84.5 |
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78.0 |
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+2.0 |
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88.5 |
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in |
1955 |
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68.3 |
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in |
1914 |
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| Avg
Minimum Temperature |
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63.0 |
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64.3 |
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62.0 |
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+1.0 |
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70.8 |
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in |
1901 |
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53.0 |
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in |
1962 |
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| Average Temperature |
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71.5 |
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74.4 |
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70.0 |
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+1.5 |
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78.9 |
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in |
2002 |
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61.0 |
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in |
1914 |
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| Total
Precipitation |
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T |
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.00 |
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.44 |
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-.44 |
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3.01 |
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in |
2014 |
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.00 |
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in |
2019 |
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| Total 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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0.0 |
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in |
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| Total
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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15 |
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in |
1914 |
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0 |
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in |
2020 |
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| Total CDD |
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28 |
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39 |
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22 |
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+6 |
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56 |
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in |
2002 |
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0 |
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in |
1914 |
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| Avg Maximum Dew Point |
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69.8 |
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68.3 |
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66.6 |
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+3.2 |
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74.8 |
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in |
2018 |
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50.3 |
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in |
1982 |
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| Avg
Minimum Dew Point |
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60.8 |
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60.3 |
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57.5 |
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+3.3 |
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68.5 |
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in |
2013 |
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42.3 |
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in |
1982 |
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| Average Dew Point |
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65.3 |
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64.3 |
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62.0 |
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+3.2 |
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70.6 |
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in |
2013 |
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46.3 |
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in |
1982 |
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July 4, 2020 |
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Record |
Record |
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| Year-to-Date Summary |
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Observed |
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2019 |
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Normal |
Depart |
Highest |
Lowest |
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| Total Precipitation |
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21.02 |
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29.06 |
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24.87 |
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-3.85 |
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40.39 |
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in |
1998 |
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12.92 |
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in |
1957 |
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| Total
Snow (since Jul 1 20) |
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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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0.0 |
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in |
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| Total HDD (since Jul 1
20) |
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0 |
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0 |
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3 |
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-3 |
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15 |
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in |
1914 |
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0 |
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in |
2020 |
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| Total
CDD (since Jan 1) |
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161 |
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134 |
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111 |
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+50 |
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196 |
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in |
1957 |
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31 |
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in |
1972 |
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| Hour-by-Hour Weather For July 4, 2020 |
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| Climate Weather for July 4 |
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| Weather History For July 4 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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