| Portsmouth Rhode Island
Weather Almanac |
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| Thursday, April 30, 2020 |
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| Cloudy, Morning Moderate Rain and Fog, Windy and Continued
Cool |
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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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April 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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52 |
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51 |
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60 |
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-8 |
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83 |
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in |
1942 |
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42 |
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in |
1909 |
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| Minimum
Temperature |
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44 |
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41 |
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44 |
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+0 |
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55 |
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in |
1974 |
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29 |
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in |
1992 |
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| Average Temperature |
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48 |
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46 |
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52 |
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-4 |
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66 |
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in |
1942 |
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38 |
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in |
1909 |
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| Precipitation |
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.34 |
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.23 |
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.14 |
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+.20 |
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2.00 |
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in |
1902 |
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| One Hour |
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.17 |
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.12 |
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.36 |
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in |
2005 |
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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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1 |
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in |
1909 |
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| HDD |
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17 |
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19 |
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13 |
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+4 |
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27 |
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in |
1909 |
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0 |
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in |
1974 |
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| CDD |
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0 |
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0 |
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0 |
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+0 |
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1 |
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in |
1942 |
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| Maximum Dew Point |
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48 |
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46 |
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47 |
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+1 |
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58 |
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in |
1994 |
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28 |
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in |
1967 |
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| Minimum
Dew Point |
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38 |
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38 |
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34 |
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+5 |
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49 |
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in |
1974 |
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9 |
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in |
1978 |
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| Average Dew Point |
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43 |
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42 |
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40 |
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+3 |
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52 |
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in |
1996 |
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21 |
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in |
1978 |
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| Maximum Humidity |
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94% |
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95% |
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87% |
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+7% |
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100% |
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in |
2005 |
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52% |
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in |
1978 |
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| Minimum
Humidity |
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77% |
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78% |
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46% |
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+31% |
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97% |
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in |
1990 |
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17% |
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in |
1957 |
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| Average Humidity |
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86% |
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87% |
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66% |
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+19% |
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99% |
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in |
1990 |
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36% |
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in |
1978 |
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| Maximum Barometer |
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30.34 |
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30.42 |
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30.11 |
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+00.23 |
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30.71 |
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in |
1934 |
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29.68 |
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in |
1978 |
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| Minimum
Barometer |
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29.98 |
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30.20 |
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29.87 |
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+00.11 |
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30.35 |
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in |
2006 |
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29.25 |
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in |
1987 |
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| Average Barometer |
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30.16 |
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30.31 |
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29.99 |
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+00.17 |
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30.39 |
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in |
2006 |
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29.51 |
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in |
1987 |
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| Average Wind |
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13.4 |
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4.5 |
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7.0 |
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+6.4 |
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16.3 |
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in |
1987 |
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3.4 |
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in |
2013 |
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| Direction |
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ESE |
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E |
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S |
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WNW |
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S |
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| High Wind Gust |
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29 |
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13 |
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23 |
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+6 |
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45 |
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in |
1963 |
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13 |
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in |
2019 |
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| Direction |
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SE |
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NW |
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S |
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SSE |
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NW |
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| High Heat Index |
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| Wind Chill |
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37 |
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38 |
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37 |
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-0 |
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21 |
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in |
1992 |
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| Maximum Water Temp |
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41.9 |
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49.3 |
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50.9 |
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-9.0 |
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55.6 |
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in |
2012 |
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41.9 |
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in |
2020 |
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| Minimum
Water Temp |
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40.8 |
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46.0 |
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47.8 |
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-7.0 |
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52.3 |
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in |
2007 |
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40.8 |
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in |
2020 |
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| Average Water Temp |
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41.4 |
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47.7 |
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49.3 |
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-8.0 |
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53.8 |
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in |
2012 |
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41.4 |
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in |
2020 |
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| Sunrise/ AM Twilight |
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5:41:35 AM |
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5:11:29 AM |
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| Sunset /
PM Twilight |
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7:43:01 PM |
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8:13:08 PM |
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| Length Of Day |
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13:59:37 |
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| Special Conditions |
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Fog, Haze |
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| Comments |
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April 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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52.2 |
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56.6 |
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55.4 |
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-3.1 |
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61.1 |
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in |
1976 |
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48.8 |
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in |
1907 |
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| Avg
Minimum Temperature |
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37.6 |
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41.7 |
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39.2 |
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-1.6 |
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43.0 |
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in |
2010 |
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34.1 |
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in |
1943 |
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| Average Temperature |
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44.9 |
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49.2 |
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47.3 |
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-2.4 |
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51.7 |
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in |
2010 |
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42.0 |
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in |
1907 |
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| Total
Precipitation |
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5.44 |
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5.15 |
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4.54 |
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+.90 |
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11.94 |
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in |
1983 |
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.78 |
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in |
1942 |
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| Total Snow |
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0.0 |
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0.0 |
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1.0 |
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-1.0 |
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9.6 |
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in |
1996 |
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0.0 |
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in |
2019 |
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| Total
HDD |
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596 |
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469 |
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526 |
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+70 |
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682 |
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in |
1907 |
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392 |
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in |
2010 |
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| Total CDD |
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0 |
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0 |
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0 |
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+0 |
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13 |
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in |
1976 |
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0 |
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in |
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| Avg Maximum Dew Point |
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41.7 |
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47.0 |
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42.0 |
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-0.3 |
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47.6 |
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in |
2017 |
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34.3 |
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in |
1965 |
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| Avg
Minimum Dew Point |
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29.3 |
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33.3 |
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28.8 |
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+0.5 |
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37.3 |
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in |
2017 |
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20.5 |
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in |
1982 |
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| Average Dew Point |
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35.5 |
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40.2 |
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35.4 |
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+0.1 |
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42.4 |
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in |
2017 |
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28.9 |
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in |
1975 |
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April 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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16.20 |
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17.66 |
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16.91 |
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-.71 |
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31.21 |
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in |
1983 |
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7.53 |
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in |
1985 |
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| Total
Snow (since Jul 1 18) |
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12.9 |
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21.1 |
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31.8 |
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-18.9 |
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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
18) |
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4821 |
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5210 |
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5303 |
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-482 |
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6252 |
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in |
1904 |
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4289 |
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in |
2012 |
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| Total
CDD (since Jan 1) |
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0 |
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0 |
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0 |
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+0 |
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13 |
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in |
1976 |
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0 |
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in |
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| Hour-by-Hour Weather For April 30, 2020 |
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| Climate Weather for April 30 |
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| Weather History For April 30 |
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| Weather Calendar |
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