| Portsmouth Rhode Island
Weather Almanac |
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| Thursday, June 18, 2020 |
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| Dense Fog early then Partly Cloudy, Light Winds and Warmer |
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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 18, 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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68 |
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75 |
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+0 |
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91 |
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in |
1929 |
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58 |
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in |
1920 |
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| Minimum
Temperature |
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60 |
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63 |
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59 |
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+1 |
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68 |
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in |
1929 |
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45 |
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in |
1965 |
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| Average Temperature |
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68 |
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66 |
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66 |
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+2 |
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80 |
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in |
1929 |
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54 |
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in |
1920 |
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| Precipitation |
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.00 |
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.66 |
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.11 |
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-.11 |
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2.30 |
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in |
1922 |
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| One
Hour |
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.00 |
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.20 |
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.23 |
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in |
2009 |
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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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44000 |
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in |
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| HDD |
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0 |
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0 |
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1 |
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-1 |
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11 |
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in |
1920 |
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0 |
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in |
2020 |
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| CDD |
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3 |
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1 |
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3 |
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+0 |
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15 |
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in |
1929 |
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0 |
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in |
2015 |
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| Maximum Dew Point |
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68 |
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65 |
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62 |
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+6 |
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73 |
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in |
1994 |
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42 |
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in |
1950 |
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| Minimum
Dew Point |
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59 |
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61 |
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53 |
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+6 |
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65 |
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in |
1994 |
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32 |
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in |
1950 |
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| Average Dew Point |
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64 |
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63 |
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58 |
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+6 |
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69 |
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in |
1994 |
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37 |
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in |
1950 |
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| Maximum Humidity |
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97% |
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94% |
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92% |
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+5% |
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100% |
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in |
2017 |
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57% |
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in |
1956 |
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| Minimum
Humidity |
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72% |
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90% |
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57% |
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+15% |
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95% |
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in |
2017 |
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28% |
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in |
1950 |
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| Average Humidity |
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85% |
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92% |
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75% |
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+9% |
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98% |
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in |
2017 |
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45% |
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in |
1956 |
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| Maximum Barometer |
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30.23 |
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30.02 |
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30.07 |
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+00.16 |
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30.39 |
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in |
1954 |
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29.62 |
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in |
1952 |
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| Minimum
Barometer |
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30.13 |
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29.89 |
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29.85 |
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+00.28 |
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30.14 |
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in |
2012 |
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29.32 |
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in |
1985 |
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| Average Barometer |
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30.18 |
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29.96 |
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29.96 |
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+00.22 |
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30.25 |
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in |
1954 |
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29.57 |
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in |
1952 |
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| Average Wind |
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4.5 |
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5.0 |
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5.4 |
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-0.9 |
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10.2 |
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in |
1984 |
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1.8 |
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in |
1998 |
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| Direction |
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SW |
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SE |
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SSW |
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S |
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SSE |
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| High Wind Gust |
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18 |
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13 |
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21 |
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-3 |
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41 |
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in |
1909 |
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11 |
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in |
1998 |
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| Direction |
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S |
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SE |
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SSW |
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NW |
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SSE |
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| High
Heat Index |
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77 |
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69 |
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75 |
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+2 |
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90 |
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in |
1995 |
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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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62.1 |
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63.7 |
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64.9 |
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-2.8 |
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69.4 |
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in |
2007 |
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60.7 |
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in |
2003 |
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| Minimum
Water Temp |
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59.0 |
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60.8 |
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61.0 |
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-2.0 |
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65.7 |
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in |
2007 |
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54.9 |
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in |
2005 |
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| Average Water Temp |
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60.6 |
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62.3 |
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63.0 |
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-2.4 |
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67.6 |
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in |
2007 |
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59.0 |
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in |
2005 |
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| Sunrise/ AM Twilight |
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5:11:04 AM |
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4:37:07 AM |
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| Sunset /
PM Twilight |
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8:21:58 PM |
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8:55:56 PM |
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| Length Of Day |
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15:10:54 |
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| Special Conditions |
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Dense Fog |
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| Comments |
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June 18, 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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74.2 |
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72.2 |
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72.2 |
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+2.0 |
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78.5 |
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in |
1925 |
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64.2 |
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in |
1907 |
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| Avg
Minimum Temperature |
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55.6 |
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56.2 |
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55.5 |
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+0.1 |
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59.4 |
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in |
1899 |
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49.1 |
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in |
1907 |
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| Average Temperature |
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64.9 |
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64.2 |
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63.7 |
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+1.2 |
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68.7 |
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in |
1925 |
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56.6 |
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in |
1907 |
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| Total
Precipitation |
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1.16 |
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3.95 |
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2.30 |
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-1.14 |
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8.66 |
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in |
1982 |
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T |
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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
HDD |
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28 |
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30 |
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44 |
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-16 |
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156 |
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in |
1907 |
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3 |
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in |
1899 |
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| Total CDD |
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31 |
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19 |
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31 |
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+0 |
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86 |
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in |
1925 |
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0 |
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in |
1965 |
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| Avg Maximum Dew Point |
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60.9 |
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61.0 |
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60.0 |
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+0.9 |
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65.8 |
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in |
1996 |
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52.9 |
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in |
1965 |
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| Avg
Minimum Dew Point |
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51.0 |
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49.9 |
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50.3 |
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+0.7 |
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55.2 |
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in |
2005 |
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42.0 |
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in |
1958 |
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| Average Dew Point |
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55.9 |
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55.5 |
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55.1 |
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+0.8 |
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60.3 |
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in |
1996 |
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48.2 |
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in |
1965 |
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June 18, 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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20.37 |
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25.86 |
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22.80 |
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-2.43 |
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38.15 |
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in |
1998 |
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12.64 |
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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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5520 |
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5616 |
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-496 |
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6601 |
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in |
1905 |
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4545 |
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in |
2012 |
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| Total
CDD (since Jan 1) |
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39 |
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29 |
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40 |
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-1 |
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87 |
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in |
2001 |
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1 |
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in |
2003 |
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| Hour-by-Hour Weather For Jun 18, 2020 |
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| Climate Weather for Jun 18 |
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| Weather History For Jun 18 |
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| Weather Calendar |
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