| Portsmouth Rhode Island Weather Almanac |
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| Sunday,
September 15, 2024 |
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| Partly
Cloudy and Fog early then Clear, Light Winds and Cooler |
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Climate
Normal Period |
Climate Record Period |
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|
1991 -
2020 |
1893 - 2024 |
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September 15, 2024 |
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Record |
|
Record |
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| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
| Maximum Temperature |
|
78 |
|
68 |
|
72 |
|
+6 |
|
84 |
|
in |
1941 |
|
59 |
|
in |
1970 |
|
|
| Minimum
Temperature |
|
55 |
|
56 |
|
58 |
|
-3 |
|
70 |
|
in |
2005 |
|
40 |
|
in |
1895 |
|
|
| Average Temperature |
|
67 |
|
62 |
|
65 |
|
+2 |
|
76 |
|
in |
1931 |
|
51 |
|
in |
1895 |
|
|
| Month Avg Max Temperature |
|
76.3 |
|
81.2 |
|
74.4 |
|
+1.9 |
|
82.9 |
|
in |
1961 |
|
68.9 |
|
in |
1917 |
|
|
| Month
Avg Min Temperature |
|
57.2 |
|
65.7 |
|
59.5 |
|
-2.3 |
|
66.6 |
|
in |
1961 |
|
52.5 |
|
in |
1967 |
|
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| Month Average
Temperature |
|
66.9 |
|
73.7 |
|
66.9 |
|
-0.1 |
|
74.9 |
|
in |
1961 |
|
61.8 |
|
in |
1963 |
|
|
| High
Heat Index |
|
78 |
|
68 |
|
72 |
|
+6 |
|
85 |
|
in |
2008 |
|
|
|
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|
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| Low
Wind Chill |
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|
37 |
|
in |
1895 |
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| Heating Degree Days |
|
0 |
|
3 |
|
2 |
|
-2 |
|
14 |
|
in |
1895 |
|
0 |
|
in |
2024 |
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| Month Heating DD |
|
7 |
|
4 |
|
18 |
|
-11 |
|
69 |
|
in |
1913 |
|
0 |
|
in |
2015 |
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| Season
Heating DD |
|
9 |
|
4 |
|
25 |
|
-16 |
|
95 |
|
in |
1914 |
|
0 |
|
in |
2015 |
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|
| Cooling Degree Days |
|
2 |
|
0 |
|
2 |
|
+0 |
|
11 |
|
in |
1931 |
|
0 |
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in |
2023 |
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| Month Cooling DD |
|
35 |
|
135 |
|
47 |
|
-12 |
|
148 |
|
in |
1961 |
|
7 |
|
in |
1975 |
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| Year Cooling DD |
|
681 |
|
707 |
|
584 |
|
+97 |
|
837 |
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in |
2020 |
|
280 |
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in |
1902 |
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| Maximum Dew Point |
|
62 |
|
59 |
|
63 |
|
-1 |
|
74 |
|
in |
1989 |
|
43 |
|
in |
1975 |
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| Minimum
Dew Point |
|
52 |
|
52 |
|
53 |
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-1 |
|
67 |
|
in |
2005 |
|
34 |
|
in |
1983 |
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| Average Dew Point |
|
57 |
|
56 |
|
58 |
|
-1 |
|
70 |
|
in |
2005 |
|
40 |
|
in |
1983 |
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| Month Avg Max Dew Point |
|
63.3 |
|
72.5 |
|
64.4 |
|
-1.1 |
|
72.5 |
|
in |
2023 |
|
54.9 |
|
in |
1967 |
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| Month
Avg Min Dew Point |
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52.8 |
|
63.9 |
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55.1 |
|
-2.3 |
|
63.9 |
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in |
2023 |
|
43.7 |
|
in |
1967 |
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| Month Average Dew Point |
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58.3 |
|
68.4 |
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59.7 |
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-1.4 |
|
68.4 |
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in |
2023 |
|
49.3 |
|
in |
1967 |
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| Precipitation |
|
.00 |
|
.00 |
|
.14 |
|
-.14 |
|
2.26 |
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in |
1966 |
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| One
Hour Rain |
|
.00 |
|
.00 |
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|
.78 |
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in |
2005 |
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| Half
Hour Rain |
|
.00 |
|
.00 |
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|
.55 |
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in |
2005 |
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| Hourly Rain Rate |
|
.00 |
|
.00 |
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|
3.00 |
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in |
2005 |
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| Month Precipitation |
|
.16 |
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2.28 |
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1.77 |
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-1.61 |
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7.60 |
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in |
2021 |
|
T |
|
in |
1983 |
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| Year Precipitation |
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40.85 |
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37.90 |
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31.18 |
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+9.67 |
|
46.34 |
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in |
1998 |
|
17.43 |
|
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 |
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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
15, 2024 |
|
|
Record |
Record |
|
| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
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| Maximum Humidity |
|
98% |
|
88% |
|
93% |
|
+5% |
|
100% |
|
in |
2017 |
|
73% |
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in |
1962 |
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| Minimum
Humidity |
|
49% |
|
66% |
|
61% |
|
-12% |
|
91% |
|
in |
2006 |
|
34% |
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in |
1983 |
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| Average Humidity |
|
74% |
|
77% |
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77% |
|
-4% |
|
95% |
|
in |
2006 |
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54% |
|
in |
1962 |
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| Maximum Barometer |
|
30.38 |
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30.06 |
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30.12 |
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+00.26 |
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30.52 |
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in |
1975 |
|
29.71 |
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in |
1990 |
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| Minimum
Barometer |
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30.31 |
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29.80 |
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29.90 |
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+00.41 |
|
30.36 |
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in |
1963 |
|
29.19 |
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in |
1966 |
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| Average Barometer |
|
30.35 |
|
29.93 |
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30.01 |
|
+00.33 |
|
30.41 |
|
in |
1963 |
|
29.49 |
|
in |
1966 |
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| Average
Wind |
|
3.6 |
|
15.0 |
|
6.3 |
|
-2.7 |
|
15.0 |
|
in |
2023 |
|
2.3 |
|
in |
2018 |
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| Direction |
|
N |
|
N |
|
N |
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|
N |
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|
SSE |
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| High
Wind Gust |
|
18 |
|
33 |
|
21 |
|
-3 |
|
45 |
|
in |
1902 |
|
10 |
|
in |
2004 |
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| Direction |
|
SSE |
|
NNE |
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SSW |
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NW |
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|
SE |
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| Maximum Water Temp |
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68.7 |
|
72.0 |
|
69.1 |
|
-0.4 |
|
72.5 |
|
in |
2021 |
|
65.3 |
|
in |
2006 |
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| Minimum
Water Temp |
|
66.9 |
|
68.9 |
|
67.0 |
|
-0.1 |
|
70.3 |
|
in |
2021 |
|
63.3 |
|
in |
2001 |
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| Average Water Temp |
|
67.8 |
|
70.5 |
|
68.1 |
|
-0.3 |
|
71.4 |
|
in |
2021 |
|
64.4 |
|
in |
2001 |
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| Sunrise/ AM Twilight |
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6:25:53 AM |
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5:58:18 AM |
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| Sunset
/ PM Twilight |
|
6:53:26 PM |
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7:22:17 PM |
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| Length Of Day |
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12:27:33 |
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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 15, 2024 |
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| Climate Weather for September 15 |
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| Weather History For September 15 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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