| Portsmouth Rhode Island Weather Almanac |
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| Monday,
September 16, 2024 |
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| Clear, Light
Fog early, Partly Cloudy PM, Continued 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 16, 2024 |
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Record |
|
Record |
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| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
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Lowest |
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| Maximum Temperature |
|
74 |
|
70 |
|
72 |
|
+2 |
|
87 |
|
in |
1941 |
|
57 |
|
in |
1954 |
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|
| Minimum
Temperature |
|
54 |
|
58 |
|
57 |
|
-3 |
|
70 |
|
in |
1915 |
|
44 |
|
in |
1988 |
|
|
| Average Temperature |
|
64 |
|
64 |
|
65 |
|
-1 |
|
78 |
|
in |
1915 |
|
54 |
|
in |
1984 |
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| Month Avg Max Temperature |
|
76.1 |
|
80.5 |
|
74.3 |
|
+1.9 |
|
81.9 |
|
in |
1961 |
|
68.6 |
|
in |
1917 |
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| Month
Avg Min Temperature |
|
57.0 |
|
65.3 |
|
59.4 |
|
-2.4 |
|
65.8 |
|
in |
1961 |
|
52.8 |
|
in |
1893 |
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| Month Average
Temperature |
|
66.7 |
|
73.1 |
|
66.8 |
|
-0.1 |
|
74.0 |
|
in |
1961 |
|
61.5 |
|
in |
1963 |
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| High
Heat Index |
|
76 |
|
69 |
|
72 |
|
+4 |
|
92 |
|
in |
1991 |
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| Low
Wind Chill |
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|
42 |
|
in |
1984 |
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| Heating Degree Days |
|
1 |
|
1 |
|
2 |
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-1 |
|
11 |
|
in |
1984 |
|
0 |
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in |
2021 |
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| Month Heating DD |
|
8 |
|
5 |
|
20 |
|
-12 |
|
79 |
|
in |
1913 |
|
0 |
|
in |
2015 |
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| Season
Heating DD |
|
10 |
|
5 |
|
27 |
|
-17 |
|
95 |
|
in |
1914 |
|
0 |
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in |
2015 |
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| Cooling Degree Days |
|
0 |
|
0 |
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2 |
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-2 |
|
13 |
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in |
1915 |
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0 |
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in |
2024 |
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| Month Cooling DD |
|
35 |
|
135 |
|
49 |
|
-14 |
|
148 |
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in |
1961 |
|
7 |
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in |
1975 |
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| Year Cooling DD |
|
681 |
|
707 |
|
586 |
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+95 |
|
837 |
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in |
2020 |
|
280 |
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in |
1902 |
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| Maximum Dew Point |
|
64 |
|
56 |
|
63 |
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+1 |
|
73 |
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in |
1999 |
|
43 |
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in |
1966 |
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| Minimum
Dew Point |
|
51 |
|
53 |
|
53 |
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-2 |
|
68 |
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in |
2005 |
|
32 |
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in |
1984 |
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| Average Dew Point |
|
58 |
|
55 |
|
58 |
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+0 |
|
70 |
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in |
2005 |
|
39 |
|
in |
1984 |
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| Month Avg Max Dew Point |
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63.3 |
|
71.5 |
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64.3 |
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-1.0 |
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71.5 |
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in |
2023 |
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55.2 |
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in |
1967 |
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| Month
Avg Min Dew Point |
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52.7 |
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63.3 |
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54.9 |
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-2.3 |
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63.3 |
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in |
2023 |
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44.3 |
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in |
1967 |
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| Month Average Dew Point |
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58.3 |
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67.6 |
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59.6 |
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-1.3 |
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67.6 |
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in |
2023 |
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49.7 |
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in |
1967 |
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| Precipitation |
|
.00 |
|
.20 |
|
.14 |
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-.14 |
|
6.20 |
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in |
1932 |
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| One
Hour Rain |
|
.00 |
|
.06 |
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|
.79 |
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in |
2021 |
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| Half
Hour Rain |
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.00 |
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.03 |
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|
.77 |
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in |
2021 |
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| Hourly Rain Rate |
|
.00 |
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.08 |
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8.35 |
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in |
2021 |
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| Month Precipitation |
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.16 |
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2.48 |
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1.91 |
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-1.75 |
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8.49 |
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in |
2021 |
|
T |
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in |
1983 |
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| Year Precipitation |
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40.85 |
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38.10 |
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31.32 |
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+9.53 |
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46.35 |
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in |
1998 |
|
17.49 |
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in |
1957 |
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| Snow |
|
0.0 |
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0.0 |
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0.0 |
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+0.0 |
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0.0 |
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in |
1900 |
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| Snow Depth |
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0 |
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0 |
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0 |
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+0 |
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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
16, 2024 |
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Record |
Record |
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| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
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| Maximum Humidity |
|
99% |
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88% |
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93% |
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+6% |
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100% |
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in |
2017 |
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81% |
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in |
2011 |
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| Minimum
Humidity |
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65% |
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59% |
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59% |
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+6% |
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95% |
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in |
2004 |
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34% |
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in |
1984 |
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| Average Humidity |
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82% |
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74% |
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76% |
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+6% |
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98% |
|
in |
2004 |
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59% |
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in |
1984 |
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| Maximum Barometer |
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30.37 |
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29.83 |
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30.14 |
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+00.23 |
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30.54 |
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in |
1988 |
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29.72 |
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in |
1953 |
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| Minimum
Barometer |
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30.28 |
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29.69 |
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29.93 |
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+00.35 |
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30.28 |
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in |
2024 |
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29.20 |
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in |
1999 |
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| Average Barometer |
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30.33 |
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29.76 |
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30.04 |
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+00.29 |
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30.36 |
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in |
1988 |
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29.63 |
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in |
1999 |
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| Average
Wind |
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2.6 |
|
12.6 |
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5.9 |
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-3.3 |
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17.3 |
|
in |
1999 |
|
1.3 |
|
in |
2006 |
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| Direction |
|
S |
|
WNW |
|
WNW |
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|
ENE |
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N |
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| High
Wind Gust |
|
12 |
|
33 |
|
21 |
|
-9 |
|
45 |
|
in |
1999 |
|
11 |
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in |
2006 |
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| Direction |
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SSE |
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WNW |
|
WNW |
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|
SE |
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WNW |
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| Maximum Water Temp |
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68.4 |
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68.9 |
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68.5 |
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-0.1 |
|
71.6 |
|
in |
2021 |
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65.8 |
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in |
2007 |
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| Minimum
Water Temp |
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66.6 |
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67.3 |
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66.8 |
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-0.2 |
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70.2 |
|
in |
1999 |
|
64.2 |
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in |
2001 |
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| Average Water Temp |
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67.5 |
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68.1 |
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67.7 |
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-0.2 |
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70.7 |
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in |
2021 |
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65.1 |
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in |
2007 |
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| Sunrise/ AM Twilight |
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6:26:54 AM |
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5:59:21 AM |
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| Sunset
/ PM Twilight |
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6:51:42 PM |
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7:20:32 PM |
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| Length Of Day |
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12:24:48 |
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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 16, 2024 |
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| Climate Weather for September 16 |
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| Weather History For September 16 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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