| Portsmouth Rhode Island Weather Almanac |
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| Wednesday,
September 11, 2024 |
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| Clear early
then Partly Cloudy, Very Light Winds, Cooler |
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Climate
Normal Period |
Climate Record Period |
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| |
|
1991 -
2020 |
1893 - 2024 |
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September 11, 2024 |
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Record |
|
Record |
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| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
| Maximum Temperature |
|
75 |
|
82 |
|
73 |
|
+2 |
|
90 |
|
in |
1983 |
|
61 |
|
in |
1918 |
|
|
| Minimum
Temperature |
|
53 |
|
69 |
|
59 |
|
-6 |
|
71 |
|
in |
1931 |
|
42 |
|
in |
1980 |
|
|
| Average Temperature |
|
64 |
|
76 |
|
66 |
|
-2 |
|
81 |
|
in |
1931 |
|
54 |
|
in |
1917 |
|
|
| Month Avg Max Temperature |
|
75.5 |
|
83.0 |
|
75.0 |
|
+0.5 |
|
85.2 |
|
in |
1983 |
|
68.5 |
|
in |
1917 |
|
|
| Month
Avg Min Temperature |
|
57.2 |
|
66.5 |
|
60.1 |
|
-2.9 |
|
67.1 |
|
in |
1959 |
|
51.4 |
|
in |
1893 |
|
|
| Month Average Temperature |
|
66.5 |
|
75.0 |
|
67.5 |
|
-1.1 |
|
75.1 |
|
in |
1983 |
|
61.9 |
|
in |
1994 |
|
|
| High
Heat Index |
|
74 |
|
89 |
|
75 |
|
-1 |
|
98 |
|
in |
1989 |
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|
|
|
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| Low Wind
Chill |
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|
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|
40 |
|
in |
1980 |
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|
| Heating Degree Days |
|
1 |
|
0 |
|
1 |
|
+0 |
|
11 |
|
in |
1917 |
|
0 |
|
in |
2023 |
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|
| Month Heating DD |
|
7 |
|
1 |
|
11 |
|
-4 |
|
41 |
|
in |
1994 |
|
0 |
|
in |
2020 |
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| Season
Heating DD |
|
9 |
|
1 |
|
18 |
|
-9 |
|
73 |
|
in |
1914 |
|
0 |
|
in |
2020 |
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|
| Cooling Degree Days |
|
0 |
|
11 |
|
3 |
|
-3 |
|
16 |
|
in |
1931 |
|
0 |
|
in |
2024 |
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| Month Cooling DD |
|
23 |
|
111 |
|
39 |
|
-16 |
|
111 |
|
in |
2023 |
|
0 |
|
in |
1893 |
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| Year Cooling DD |
|
669 |
|
683 |
|
576 |
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+93 |
|
835 |
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in |
2020 |
|
279 |
|
in |
1902 |
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| Maximum Dew Point |
|
58 |
|
77 |
|
64 |
|
-6 |
|
77 |
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in |
2023 |
|
41 |
|
in |
1967 |
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| Minimum
Dew Point |
|
48 |
|
69 |
|
54 |
|
-6 |
|
69 |
|
in |
2023 |
|
34 |
|
in |
1995 |
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| Average Dew Point |
|
53 |
|
73 |
|
59 |
|
-6 |
|
73 |
|
in |
2023 |
|
39 |
|
in |
1967 |
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| Month Avg Max Dew Point |
|
62.5 |
|
74.0 |
|
64.8 |
|
-2.4 |
|
74.0 |
|
in |
2023 |
|
55.4 |
|
in |
1984 |
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| Month
Avg Min Dew Point |
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52.0 |
|
65.4 |
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55.6 |
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-3.6 |
|
65.4 |
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in |
2023 |
|
44.2 |
|
in |
1967 |
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| Month Average Dew Point |
|
57.5 |
|
69.8 |
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60.2 |
|
-2.7 |
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69.8 |
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in |
2023 |
|
50.3 |
|
in |
1984 |
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| Precipitation |
|
.00 |
|
1.59 |
|
.12 |
|
-.12 |
|
4.37 |
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in |
1954 |
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| One Hour
Rain |
|
.00 |
|
.95 |
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|
.95 |
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in |
2023 |
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| Half
Hour Rain |
|
.00 |
|
.67 |
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|
.67 |
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in |
2023 |
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| Hourly Rain Rate |
|
.00 |
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4.68 |
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4.68 |
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in |
2023 |
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| Month Precipitation |
|
.16 |
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1.61 |
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1.26 |
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-1.10 |
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7.60 |
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in |
2021 |
|
.00 |
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in |
1983 |
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| Year Precipitation |
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40.85 |
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37.23 |
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30.67 |
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+10.18 |
|
46.33 |
|
in |
1998 |
|
17.36 |
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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 |
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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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#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
11, 2024 |
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|
Record |
Record |
|
| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
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| Maximum Humidity |
|
96% |
|
99% |
|
91% |
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+5% |
|
100% |
|
in |
2018 |
|
74% |
|
in |
1988 |
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| Minimum
Humidity |
|
46% |
|
84% |
|
57% |
|
-11% |
|
93% |
|
in |
2007 |
|
26% |
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in |
1980 |
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| Average Humidity |
|
71% |
|
92% |
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74% |
|
-3% |
|
97% |
|
in |
1950 |
|
50% |
|
in |
1980 |
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| Maximum Barometer |
|
30.22 |
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30.06 |
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30.11 |
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+00.11 |
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30.44 |
|
in |
1967 |
|
29.64 |
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in |
2002 |
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| Minimum
Barometer |
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30.12 |
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29.97 |
|
29.87 |
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+00.25 |
|
30.32 |
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in |
2008 |
|
28.66 |
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in |
1954 |
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| Average Barometer |
|
30.17 |
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30.02 |
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29.99 |
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+00.18 |
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30.36 |
|
in |
2008 |
|
29.22 |
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in |
1954 |
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| Average
Wind |
|
2.6 |
|
3.7 |
|
7.0 |
|
-4.4 |
|
22.2 |
|
in |
1954 |
|
1.9 |
|
in |
1989 |
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| Direction |
|
N |
|
S |
|
NW |
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|
NNE |
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|
NE |
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| High
Wind Gust |
|
9 |
|
16 |
|
23 |
|
-14 |
|
98 |
|
in |
1954 |
|
9 |
|
in |
2024 |
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| Direction |
|
N |
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S |
|
NW |
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|
NW |
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|
N |
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| Maximum Water Temp |
|
68.9 |
|
73.8 |
|
69.5 |
|
-0.6 |
|
73.8 |
|
in |
2023 |
|
65.9 |
|
in |
2017 |
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| Minimum
Water Temp |
|
67.8 |
|
71.4 |
|
67.3 |
|
+0.5 |
|
71.4 |
|
in |
2023 |
|
64.2 |
|
in |
2017 |
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| Average Water Temp |
|
68.4 |
|
72.6 |
|
68.4 |
|
-0.1 |
|
72.6 |
|
in |
2023 |
|
65.1 |
|
in |
2017 |
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| Sunrise/ AM Twilight |
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6:21:49 AM |
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5:54:07 AM |
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| Sunset /
PM Twilight |
|
7:00:20 PM |
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7:29:19 PM |
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| Length Of Day |
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12:38:31 |
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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 September 11, 2024 |
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| Climate Weather for September 11 |
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| Weather History For September 11 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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