| Portsmouth Rhode Island Weather Almanac |
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| Wednesday,
September 4, 2024 |
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| Clear, Very
Light Winds, Warmer |
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Climate
Normal Period |
Climate Record Period |
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|
1991 -
2020 |
1893 - 2024 |
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|
September 4, 2024 |
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Record |
|
Record |
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| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
| Maximum Temperature |
|
78 |
|
88 |
|
76 |
|
+2 |
|
89 |
|
in |
1937 |
|
63 |
|
in |
1997 |
|
|
| Minimum
Temperature |
|
52 |
|
66 |
|
61 |
|
-9 |
|
73 |
|
in |
1959 |
|
49 |
|
in |
1976 |
|
|
| Average Temperature |
|
65 |
|
77 |
|
68 |
|
-3 |
|
80 |
|
in |
2018 |
|
58 |
|
in |
1997 |
|
|
| Month Avg Max Temperature |
|
76.3 |
|
79.8 |
|
76.3 |
|
+0.0 |
|
89.0 |
|
in |
1929 |
|
67.3 |
|
in |
2003 |
|
|
| Month
Avg Min Temperature |
|
58.8 |
|
60.0 |
|
61.3 |
|
-2.5 |
|
72.5 |
|
in |
1959 |
|
51.5 |
|
in |
1967 |
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|
| Month Average
Temperature |
|
67.8 |
|
70.0 |
|
68.5 |
|
-0.8 |
|
79.3 |
|
in |
1898 |
|
60.8 |
|
in |
2017 |
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|
| High
Heat Index |
|
78 |
|
96 |
|
78 |
|
+0 |
|
99 |
|
in |
1973 |
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|
|
|
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|
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| Low
Wind Chill |
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|
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|
48 |
|
in |
1976 |
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| Heating Degree Days |
|
0 |
|
0 |
|
1 |
|
-1 |
|
7 |
|
in |
1997 |
|
0 |
|
in |
2024 |
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|
| Month Heating DD |
|
2 |
|
1 |
|
4 |
|
-2 |
|
18 |
|
in |
2017 |
|
0 |
|
in |
2022 |
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| Season
Heating DD |
|
4 |
|
1 |
|
11 |
|
-7 |
|
42 |
|
in |
1905 |
|
0 |
|
in |
2022 |
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| Cooling Degree Days |
|
0 |
|
12 |
|
4 |
|
-4 |
|
15 |
|
in |
2018 |
|
0 |
|
in |
2024 |
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| Month Cooling DD |
|
13 |
|
21 |
|
18 |
|
-5 |
|
57 |
|
in |
1898 |
|
0 |
|
in |
1986 |
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| Year Cooling DD |
|
659 |
|
593 |
|
555 |
|
+104 |
|
795 |
|
in |
2020 |
|
272 |
|
in |
1902 |
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| Maximum Dew Point |
|
59 |
|
75 |
|
65 |
|
-6 |
|
75 |
|
in |
2023 |
|
48 |
|
in |
1997 |
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| Minimum
Dew Point |
|
49 |
|
65 |
|
56 |
|
-7 |
|
68 |
|
in |
1961 |
|
40 |
|
in |
1989 |
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| Average Dew Point |
|
54 |
|
70 |
|
61 |
|
-7 |
|
71 |
|
in |
2018 |
|
45 |
|
in |
1989 |
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| Month Avg Max Dew Point |
|
63.5 |
|
67.3 |
|
65.5 |
|
-2.0 |
|
74.3 |
|
in |
1959 |
|
54.3 |
|
in |
1975 |
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| Month
Avg Min Dew Point |
|
53.0 |
|
57.5 |
|
56.8 |
|
-3.8 |
|
70.5 |
|
in |
1959 |
|
41.8 |
|
in |
1967 |
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| Month Average Dew Point |
|
58.5 |
|
62.5 |
|
61.0 |
|
-2.5 |
|
72.4 |
|
in |
1959 |
|
48.6 |
|
in |
1967 |
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| Precipitation |
|
.00 |
|
.00 |
|
.11 |
|
-.11 |
|
2.02 |
|
in |
1905 |
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| One
Hour Rain |
|
.00 |
|
.00 |
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|
.55 |
|
in |
1970 |
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| Half
Hour Rain |
|
.00 |
|
.00 |
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|
.12 |
|
in |
2012 |
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| Hourly Rain Rate |
|
.00 |
|
.00 |
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3.25 |
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in |
2012 |
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| Month Precipitation |
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.06 |
|
.00 |
|
.44 |
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-.38 |
|
6.45 |
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in |
2021 |
|
.00 |
|
in |
2022 |
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| Year Precipitation |
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40.75 |
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35.62 |
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29.85 |
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+10.90 |
|
45.30 |
|
in |
1998 |
|
16.55 |
|
in |
1957 |
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| Snow |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
0.0 |
|
in |
1900 |
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| Snow Depth |
|
0 |
|
0 |
|
0 |
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+0 |
|
0 |
|
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 |
|
#N/A |
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in |
Many |
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| Season Snow |
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|
September
4, 2024 |
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|
Record |
Record |
|
| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
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| Maximum Humidity |
|
94% |
|
98% |
|
93% |
|
+1% |
|
100% |
|
in |
2003 |
|
72% |
|
in |
1983 |
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| Minimum
Humidity |
|
45% |
|
63% |
|
58% |
|
-13% |
|
93% |
|
in |
2003 |
|
34% |
|
in |
2007 |
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| Average Humidity |
|
70% |
|
81% |
|
75% |
|
-6% |
|
97% |
|
in |
2003 |
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59% |
|
in |
1983 |
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| Maximum Barometer |
|
30.45 |
|
29.88 |
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30.09 |
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+00.36 |
|
30.63 |
|
in |
1989 |
|
29.70 |
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in |
1957 |
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| Minimum
Barometer |
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30.36 |
|
29.82 |
|
29.89 |
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+00.47 |
|
30.36 |
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in |
2024 |
|
29.30 |
|
in |
2010 |
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| Average Barometer |
|
30.41 |
|
29.85 |
|
29.99 |
|
+00.42 |
|
30.42 |
|
in |
1989 |
|
29.53 |
|
in |
2010 |
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| Average
Wind |
|
2.6 |
|
2.8 |
|
5.7 |
|
-3.1 |
|
12.1 |
|
in |
1972 |
|
1.3 |
|
in |
1969 |
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| Direction |
|
S |
|
S |
|
S |
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|
WNW |
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|
ESE |
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| High
Wind Gust |
|
14 |
|
13 |
|
21 |
|
-7 |
|
37 |
|
in |
1988 |
|
11 |
|
in |
1969 |
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| Direction |
|
WSW |
|
SSW |
|
SSW |
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|
SSE |
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|
S |
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| Maximum Water Temp |
|
69.1 |
|
70.3 |
|
70.5 |
|
-1.4 |
|
73.8 |
|
in |
2022 |
|
65.7 |
|
in |
2017 |
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| Minimum
Water Temp |
|
67.5 |
|
68.5 |
|
68.1 |
|
-0.6 |
|
71.8 |
|
in |
2022 |
|
63.4 |
|
in |
2017 |
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| Average Water Temp |
|
68.3 |
|
69.4 |
|
69.3 |
|
-1.0 |
|
72.8 |
|
in |
2022 |
|
64.6 |
|
in |
2017 |
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| Sunrise/ AM Twilight |
|
6:14:44 AM |
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5:46:44 AM |
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| Sunset
/ PM Twilight |
|
7:12:14 PM |
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7:41:32 PM |
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| Length Of Day |
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12:57:30 |
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| Special
Conditions |
|
Haze |
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| Comments |
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| Hour-by-Hour Weather For September 4, 2024 |
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| Climate Weather for September 4 |
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| Weather History For September 4 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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