| Portsmouth Rhode Island
Weather Almanac |
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| Tuesday, June 30, 2020 |
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| Cloudy to Mostly Cloudy PM, Light Winds and Cooler |
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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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June 30, 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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75 |
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81 |
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78 |
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-3 |
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93 |
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in |
1945 |
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66 |
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in |
1967 |
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| Minimum
Temperature |
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63 |
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62 |
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62 |
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+1 |
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68 |
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in |
2013 |
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51 |
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in |
1919 |
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| Average Temperature |
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69 |
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72 |
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70 |
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-1 |
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80 |
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in |
1959 |
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60 |
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in |
1967 |
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| Precipitation |
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.00 |
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.28 |
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.10 |
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-.10 |
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2.27 |
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in |
1939 |
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| One Hour |
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.00 |
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.20 |
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.77 |
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in |
1998 |
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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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44012 |
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in |
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| Heating Degree Days |
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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 |
1967 |
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0 |
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in |
2020 |
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| Cooling Degree Days |
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4 |
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7 |
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5 |
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-1 |
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15 |
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in |
1959 |
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0 |
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in |
1996 |
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| Maximum Dew Point |
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67 |
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67 |
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66 |
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+1 |
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74 |
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in |
2001 |
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53 |
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in |
1989 |
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| Minimum
Dew Point |
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62 |
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58 |
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57 |
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+6 |
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67 |
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in |
2013 |
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38 |
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in |
1978 |
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| Average Dew Point |
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65 |
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63 |
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61 |
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+4 |
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70 |
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in |
2001 |
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48 |
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in |
1989 |
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| Maximum Humidity |
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94% |
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93% |
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92% |
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+2% |
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100% |
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in |
2005 |
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66% |
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in |
1978 |
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| Minimum
Humidity |
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73% |
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53% |
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58% |
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+15% |
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93% |
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in |
1973 |
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29% |
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in |
1989 |
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| Average Humidity |
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84% |
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73% |
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75% |
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+9% |
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96% |
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in |
1998 |
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50% |
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in |
1978 |
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| Maximum Barometer |
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29.91 |
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29.82 |
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29.99 |
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-00.08 |
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30.41 |
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in |
1985 |
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29.50 |
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in |
1957 |
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| Minimum
Barometer |
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29.85 |
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29.67 |
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29.79 |
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+00.06 |
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30.20 |
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in |
2002 |
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29.35 |
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in |
1998 |
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| Average Barometer |
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29.88 |
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29.75 |
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29.89 |
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-00.01 |
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30.24 |
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in |
2002 |
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29.44 |
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in |
1957 |
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| Average Wind |
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2.7 |
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7.5 |
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6.2 |
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-3.5 |
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14.5 |
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in |
1975 |
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2.0 |
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in |
1980 |
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| Direction |
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NNE |
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NW |
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SSW |
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NE |
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NNE |
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| High Wind Gust |
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13 |
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33 |
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22 |
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-9 |
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44 |
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in |
1957 |
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11 |
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in |
1980 |
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| Direction |
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N |
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WNW |
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SSW |
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NW |
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ENE |
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| High
Heat Index |
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75 |
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81 |
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79 |
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-4 |
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94 |
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in |
1959 |
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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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63.7 |
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68.7 |
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68.4 |
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-4.7 |
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72.5 |
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in |
2001 |
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63.6 |
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in |
2006 |
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| Minimum
Water Temp |
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61.3 |
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65.2 |
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64.3 |
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-3.0 |
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68.0 |
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in |
2001 |
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#N/A |
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in |
2003 |
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| Average Water Temp |
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62.5 |
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67.0 |
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66.4 |
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-3.9 |
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70.3 |
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in |
2001 |
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61.9 |
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in |
2006 |
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| Sunrise/ AM Twilight |
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5:15:01 AM |
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4:41:15 AM |
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| Sunset /
PM Twilight |
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8:23:05 PM |
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8:56:51 PM |
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| Length Of Day |
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15:08:04 |
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| Special Conditions |
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None |
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| Comments |
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June 30, 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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77.1 |
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74.7 |
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73.7 |
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+3.3 |
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79.1 |
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in |
1957 |
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66.5 |
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in |
1903 |
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| Avg
Minimum Temperature |
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59.0 |
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58.4 |
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57.6 |
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+1.4 |
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61.3 |
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in |
2001 |
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53.1 |
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in |
1907 |
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| Average Temperature |
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68.0 |
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66.6 |
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65.7 |
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+2.4 |
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69.1 |
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in |
2001 |
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60.3 |
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in |
1903 |
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| Total
Precipitation |
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1.81 |
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7.15 |
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3.80 |
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-1.99 |
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10.87 |
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in |
1998 |
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.05 |
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in |
1949 |
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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
Heating Degree Days |
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28 |
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32 |
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53 |
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-25 |
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159 |
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in |
1907 |
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5 |
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in |
1899 |
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| Total Cooling Degree Days |
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125 |
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85 |
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80 |
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+45 |
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165 |
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in |
1957 |
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0 |
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in |
1972 |
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| Avg Maximum Dew Point |
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64.7 |
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62.9 |
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61.7 |
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+2.9 |
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66.3 |
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in |
2008 |
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54.9 |
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in |
1965 |
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| Avg
Minimum Dew Point |
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55.1 |
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52.7 |
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52.1 |
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+3.0 |
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57.2 |
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in |
2010 |
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44.9 |
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in |
1958 |
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| Average Dew Point |
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59.9 |
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57.8 |
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56.9 |
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+3.0 |
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61.6 |
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in |
2008 |
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50.3 |
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in |
1965 |
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June 30, 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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24.30 |
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-3.28 |
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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 19) |
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12.9 |
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21.1 |
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32.1 |
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-19.2 |
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84.1 |
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in |
1996 |
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5.0 |
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in |
1998 |
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| Total HDD (since Jul 1
19) |
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5120 |
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5522 |
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5625 |
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-505 |
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6620 |
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in |
1905 |
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4549 |
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in |
2012 |
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| Total
CDD (since Jan 1) |
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133 |
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95 |
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89 |
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+44 |
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181 |
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in |
1957 |
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11 |
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in |
1972 |
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| Hour-by-Hour Weather For June 30, 2020 |
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| Climate Weather for June 30 |
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| Weather History For June 30 |
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| Weather Calendar |
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