| Portsmouth Rhode Island Weather Almanac |
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| Friday,
September 13, 2024 |
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| Clear,
Morning Fog, Very Light Winds, Continued Warm |
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Climate
Normal Period |
Climate Record Period |
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|
1991 -
2020 |
1893 - 2024 |
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September 13, 2024 |
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Record |
|
Record |
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| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
| Maximum Temperature |
|
75 |
|
78 |
|
73 |
|
+2 |
|
88 |
|
in |
1952 |
|
60 |
|
in |
1965 |
|
|
| Minimum
Temperature |
|
57 |
|
67 |
|
58 |
|
-1 |
|
70 |
|
in |
1971 |
|
43 |
|
in |
1943 |
|
|
| Average Temperature |
|
66 |
|
73 |
|
65 |
|
+1 |
|
77 |
|
in |
1961 |
|
55 |
|
in |
1985 |
|
|
| Month Avg Max Temperature |
|
75.5 |
|
82.5 |
|
74.7 |
|
+0.8 |
|
84.5 |
|
in |
1983 |
|
68.7 |
|
in |
1917 |
|
|
| Month
Avg Min Temperature |
|
57.0 |
|
66.7 |
|
59.8 |
|
-2.8 |
|
66.9 |
|
in |
1961 |
|
51.2 |
|
in |
1893 |
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|
| Month Average Temperature |
|
66.4 |
|
74.8 |
|
67.2 |
|
-0.8 |
|
75.5 |
|
in |
1961 |
|
61.9 |
|
in |
1893 |
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|
| High
Heat Index |
|
78 |
|
81 |
|
74 |
|
+4 |
|
92 |
|
in |
1952 |
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|
|
|
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| Low Wind
Chill |
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|
41 |
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in |
1943 |
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| Heating Degree Days |
|
0 |
|
0 |
|
2 |
|
-2 |
|
10 |
|
in |
1985 |
|
0 |
|
in |
2024 |
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| Month Heating DD |
|
7 |
|
1 |
|
14 |
|
-7 |
|
48 |
|
in |
1914 |
|
0 |
|
in |
2015 |
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| Season
Heating DD |
|
9 |
|
1 |
|
21 |
|
-12 |
|
88 |
|
in |
1914 |
|
0 |
|
in |
2015 |
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| Cooling Degree Days |
|
1 |
|
8 |
|
2 |
|
-1 |
|
12 |
|
in |
1961 |
|
0 |
|
in |
2020 |
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| Month Cooling DD |
|
25 |
|
129 |
|
43 |
|
-18 |
|
136 |
|
in |
1961 |
|
0 |
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in |
1893 |
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| Year Cooling DD |
|
671 |
|
701 |
|
580 |
|
+91 |
|
835 |
|
in |
2020 |
|
280 |
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in |
1902 |
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| Maximum Dew Point |
|
68 |
|
73 |
|
63 |
|
+5 |
|
73 |
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in |
2023 |
|
45 |
|
in |
1985 |
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| Minimum
Dew Point |
|
55 |
|
65 |
|
54 |
|
+1 |
|
68 |
|
in |
1971 |
|
33 |
|
in |
1985 |
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| Average Dew Point |
|
62 |
|
69 |
|
58 |
|
+4 |
|
71 |
|
in |
1971 |
|
39 |
|
in |
1985 |
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| Month Avg Max Dew Point |
|
62.8 |
|
73.9 |
|
64.6 |
|
-1.8 |
|
73.9 |
|
in |
2023 |
|
55.3 |
|
in |
1967 |
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| Month
Avg Min Dew Point |
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52.2 |
|
65.5 |
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55.4 |
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-3.2 |
|
65.5 |
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in |
2023 |
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43.7 |
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in |
1967 |
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| Month Average Dew Point |
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57.8 |
|
69.8 |
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59.9 |
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-2.2 |
|
69.8 |
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in |
2023 |
|
49.5 |
|
in |
1967 |
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| Precipitation |
|
.00 |
|
.67 |
|
.12 |
|
-.12 |
|
2.42 |
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in |
1987 |
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| One Hour
Rain |
|
.00 |
|
.61 |
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1.52 |
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in |
2018 |
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| Half
Hour Rain |
|
.00 |
|
.59 |
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1.24 |
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in |
2018 |
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| Hourly Rain Rate |
|
.00 |
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2.92 |
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5.43 |
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in |
2022 |
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| Month Precipitation |
|
.16 |
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2.28 |
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1.50 |
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-1.34 |
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7.60 |
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in |
2021 |
|
T |
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in |
2005 |
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| Year Precipitation |
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40.85 |
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37.90 |
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30.91 |
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+9.94 |
|
46.33 |
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in |
1998 |
|
17.36 |
|
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 |
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#N/A |
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in |
Many |
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| Season Snow |
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|
September
13, 2024 |
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|
Record |
Record |
|
| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
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| Maximum Humidity |
|
98% |
|
99% |
|
93% |
|
+5% |
|
100% |
|
in |
2018 |
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68% |
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in |
1955 |
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| Minimum
Humidity |
|
71% |
|
82% |
|
58% |
|
+13% |
|
97% |
|
in |
2022 |
|
34% |
|
in |
1991 |
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| Average Humidity |
|
85% |
|
91% |
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75% |
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+9% |
|
98% |
|
in |
2022 |
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52% |
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in |
1955 |
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| Maximum Barometer |
|
30.27 |
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29.97 |
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30.12 |
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+00.15 |
|
30.51 |
|
in |
1985 |
|
29.65 |
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in |
1960 |
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| Minimum
Barometer |
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30.21 |
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29.91 |
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29.92 |
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+00.29 |
|
30.33 |
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in |
1992 |
|
29.45 |
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in |
1960 |
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| Average Barometer |
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30.24 |
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29.94 |
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30.02 |
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+00.22 |
|
30.40 |
|
in |
2019 |
|
29.55 |
|
in |
1960 |
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| Average
Wind |
|
2.7 |
|
4.0 |
|
5.7 |
|
-3.0 |
|
12.1 |
|
in |
1974 |
|
1.1 |
|
in |
2006 |
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| Direction |
|
S |
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SSE |
|
S |
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|
WSW |
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|
W |
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| High
Wind Gust |
|
14 |
|
18 |
|
20 |
|
-6 |
|
35 |
|
in |
1953 |
|
11 |
|
in |
1998 |
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| Direction |
|
S |
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S |
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S |
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SSE |
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NE |
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| Maximum Water Temp |
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70.3 |
|
73.9 |
|
69.4 |
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+0.9 |
|
73.9 |
|
in |
2023 |
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65.5 |
|
in |
2006 |
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| Minimum
Water Temp |
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68.0 |
|
72.3 |
|
67.3 |
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+0.7 |
|
72.3 |
|
in |
2023 |
|
62.9 |
|
in |
2005 |
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| Average Water Temp |
|
69.2 |
|
73.1 |
|
68.4 |
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+0.8 |
|
73.1 |
|
in |
2023 |
|
64.7 |
|
in |
2006 |
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| Sunrise/ AM Twilight |
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6:23:51 AM |
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5:56:13 AM |
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| Sunset /
PM Twilight |
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6:56:53 PM |
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7:25:48 PM |
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| Length Of Day |
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12:33:02 |
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| Special
Conditions |
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Fog |
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| Comments |
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| Hour-by-Hour Weather For September 13, 2024 |
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| Climate Weather for September 13 |
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| Weather History For September 13 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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