| Portsmouth Rhode Island Weather Almanac |
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| Tuesday,
August 20, 2024 |
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| Mostly
Cloudy early then Partly Cloudy, Breezy and Much Cooler |
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Climate
Normal Period |
Climate Record Period |
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|
1991 -
2020 |
1893 - 2024 |
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August 20, 2024 |
|
Record |
|
Record |
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| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
| Maximum Temperature |
|
73 |
|
81 |
|
78 |
|
-5 |
|
93 |
|
in |
1983 |
|
68 |
|
in |
1893 |
|
|
| Minimum
Temperature |
|
59 |
|
62 |
|
63 |
|
-4 |
|
72 |
|
in |
1899 |
|
50 |
|
in |
1907 |
|
|
| Average Temperature |
|
66 |
|
72 |
|
71 |
|
-5 |
|
81 |
|
in |
1937 |
|
62 |
|
in |
1998 |
|
|
| Month Avg Max Temperature |
|
80.0 |
|
78.6 |
|
79.1 |
|
+0.9 |
|
84.3 |
|
in |
1937 |
|
72.5 |
|
in |
1964 |
|
|
| Month
Avg Min Temperature |
|
65.0 |
|
64.2 |
|
64.4 |
|
+0.7 |
|
69.9 |
|
in |
2018 |
|
55.8 |
|
in |
1964 |
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| Month Average
Temperature |
|
72.7 |
|
71.7 |
|
71.7 |
|
+1.0 |
|
76.9 |
|
in |
1988 |
|
64.5 |
|
in |
1964 |
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|
| High
Heat Index |
|
74 |
|
83 |
|
79 |
|
-5 |
|
101 |
|
in |
1983 |
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|
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| Low
Wind Chill |
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|
49 |
|
in |
1907 |
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| Heating Degree Days |
|
0 |
|
0 |
|
0 |
|
+0 |
|
3 |
|
in |
1998 |
|
0 |
|
in |
2024 |
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|
| Month Heating DD |
|
1 |
|
0 |
|
0 |
|
+1 |
|
26 |
|
in |
1964 |
|
0 |
|
in |
2023 |
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|
| Season
Heating DD |
|
1 |
|
0 |
|
3 |
|
-2 |
|
34 |
|
in |
1914 |
|
0 |
|
in |
2023 |
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| Cooling Degree Days |
|
1 |
|
7 |
|
6 |
|
-5 |
|
16 |
|
in |
1937 |
|
0 |
|
in |
2008 |
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| Month Cooling DD |
|
155 |
|
133 |
|
145 |
|
+10 |
|
237 |
|
in |
1988 |
|
15 |
|
in |
1964 |
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| Year Cooling DD |
|
597 |
|
517 |
|
473 |
|
+124 |
|
674 |
|
in |
2020 |
|
210 |
|
in |
1902 |
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| Maximum Dew Point |
|
70 |
|
67 |
|
68 |
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+2 |
|
77 |
|
in |
2009 |
|
51 |
|
in |
1975 |
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| Minimum
Dew Point |
|
55 |
|
56 |
|
59 |
|
-4 |
|
70 |
|
in |
2015 |
|
44 |
|
in |
1981 |
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| Average Dew Point |
|
63 |
|
62 |
|
63 |
|
+0 |
|
73 |
|
in |
2009 |
|
48 |
|
in |
1981 |
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| Month Avg Max Dew Point |
|
72.2 |
|
69.0 |
|
68.6 |
|
+3.6 |
|
73.5 |
|
in |
2018 |
|
58.0 |
|
in |
1964 |
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| Month
Avg Min Dew Point |
|
62.9 |
|
59.7 |
|
60.5 |
|
+2.4 |
|
67.2 |
|
in |
2018 |
|
47.4 |
|
in |
1964 |
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| Month Average Dew Point |
|
67.5 |
|
64.3 |
|
64.5 |
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+3.0 |
|
70.4 |
|
in |
2018 |
|
52.7 |
|
in |
1964 |
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| Precipitation |
|
T |
|
.00 |
|
.12 |
|
-.12 |
|
1.14 |
|
in |
1939 |
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| One
Hour Rain |
|
T |
|
.00 |
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|
.44 |
|
in |
2001 |
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| Half
Hour Rain |
|
.00 |
|
.00 |
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|
.24 |
|
in |
2006 |
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| Hourly Rain Rate |
|
.00 |
|
.00 |
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1.77 |
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in |
2006 |
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| Month Precipitation |
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2.22 |
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4.15 |
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2.39 |
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-.17 |
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9.62 |
|
in |
1946 |
|
.16 |
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in |
1993 |
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| Year Precipitation |
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40.49 |
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34.40 |
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28.17 |
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+12.32 |
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43.94 |
|
in |
1983 |
|
15.70 |
|
in |
1957 |
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| Snow |
|
0.0 |
|
0.0 |
|
0.0 |
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+0.0 |
|
0.0 |
|
in |
1900 |
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| Snow Depth |
|
0 |
|
0 |
|
0 |
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+0 |
|
0 |
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in |
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| Month Snow |
|
#N/A |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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in |
#N/A |
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#N/A |
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in |
Many |
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| Season Snow |
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|
August
20, 2024 |
|
|
Record |
Record |
|
| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
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| Maximum Humidity |
|
97% |
|
91% |
|
93% |
|
+4% |
|
100% |
|
in |
2014 |
|
73% |
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in |
1953 |
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| Minimum
Humidity |
|
66% |
|
57% |
|
57% |
|
+9% |
|
90% |
|
in |
1950 |
|
33% |
|
in |
1987 |
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| Average Humidity |
|
82% |
|
74% |
|
75% |
|
+7% |
|
94% |
|
in |
1950 |
|
57% |
|
in |
1975 |
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| Maximum Barometer |
|
29.94 |
|
30.08 |
|
30.06 |
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-00.12 |
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30.49 |
|
in |
1996 |
|
29.77 |
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in |
1950 |
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| Minimum
Barometer |
|
29.67 |
|
30.00 |
|
29.87 |
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-00.20 |
|
30.29 |
|
in |
1996 |
|
29.49 |
|
in |
1983 |
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| Average Barometer |
|
29.81 |
|
30.04 |
|
29.97 |
|
-00.16 |
|
30.39 |
|
in |
1996 |
|
29.67 |
|
in |
1983 |
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| Average
Wind |
|
8.6 |
|
5.5 |
|
5.6 |
|
+3.0 |
|
10.8 |
|
in |
1950 |
|
1.6 |
|
in |
2012 |
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| Direction |
|
NW |
|
W |
|
SW |
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|
SSW |
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|
SSW |
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| High
Wind Gust |
|
25 |
|
21 |
|
20 |
|
+5 |
|
41 |
|
in |
1904 |
|
10 |
|
in |
1973 |
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| Direction |
|
NW |
|
SSW |
|
SSW |
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SE |
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|
E |
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| Maximum Water Temp |
|
71.1 |
|
71.8 |
|
71.5 |
|
-0.4 |
|
76.5 |
|
in |
2003 |
|
65.7 |
|
in |
2020 |
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| Minimum
Water Temp |
|
69.4 |
|
70.2 |
|
68.9 |
|
+0.5 |
|
72.9 |
|
in |
2018 |
|
63.9 |
|
in |
2008 |
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| Average Water Temp |
|
70.3 |
|
71.0 |
|
70.2 |
|
+0.0 |
|
74.3 |
|
in |
2003 |
|
65.0 |
|
in |
2020 |
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| Sunrise/ AM Twilight |
|
5:59:28 AM |
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4:57:34 AM |
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| Sunset
/ PM Twilight |
|
7:36:22 PM |
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8:45:49 PM |
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| Length Of Day |
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13:36:54 |
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| Special Conditions |
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None |
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| Comments |
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| Hour-by-Hour Weather For August 20, 2024 |
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| Climate Weather for August 20 |
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| Weather History For August 20 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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