| Portsmouth Rhode Island Weather Almanac |
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| Sunday,
September 29, 2024 |
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| Cloudy to
Mostly Cloudy PM, Cooler |
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Climate
Normal Period |
Climate Record Period |
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|
1991 -
2020 |
1893 - 2024 |
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September 29, 2024 |
|
Record |
|
Record |
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| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
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|
| Maximum Temperature |
|
68 |
|
61 |
|
68 |
|
+0 |
|
80 |
|
in |
1952 |
|
55 |
|
in |
1936 |
|
|
| Minimum
Temperature |
|
57 |
|
55 |
|
54 |
|
+3 |
|
66 |
|
in |
2015 |
|
35 |
|
in |
1957 |
|
|
| Average Temperature |
|
63 |
|
58 |
|
61 |
|
+2 |
|
73 |
|
in |
1959 |
|
46 |
|
in |
1914 |
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| Month Avg Max Temperature |
|
72.9 |
|
74.4 |
|
72.3 |
|
+0.7 |
|
78.2 |
|
in |
1961 |
|
67.7 |
|
in |
1963 |
|
|
| Month
Avg Min Temperature |
|
57.4 |
|
60.5 |
|
57.6 |
|
-0.2 |
|
62.8 |
|
in |
1961 |
|
52.0 |
|
in |
1956 |
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|
| Month Average Temperature |
|
65.4 |
|
67.9 |
|
64.9 |
|
+0.4 |
|
70.7 |
|
in |
1961 |
|
60.3 |
|
in |
1963 |
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|
| High
Heat Index |
|
68 |
|
62 |
|
68 |
|
+0 |
|
82 |
|
in |
1959 |
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|
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| Low Wind
Chill |
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|
31 |
|
in |
1914 |
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| Heating Degree Days |
|
2 |
|
7 |
|
5 |
|
-3 |
|
19 |
|
in |
1914 |
|
0 |
|
in |
2020 |
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| Month Heating DD |
|
35 |
|
53 |
|
68 |
|
-33 |
|
172 |
|
in |
1956 |
|
9 |
|
in |
2021 |
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|
| Season
Heating DD |
|
37 |
|
53 |
|
75 |
|
-38 |
|
203 |
|
in |
1956 |
|
9 |
|
in |
2021 |
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| Cooling Degree Days |
|
0 |
|
0 |
|
1 |
|
-1 |
|
8 |
|
in |
1959 |
|
0 |
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in |
2024 |
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| Month Cooling DD |
|
46 |
|
136 |
|
65 |
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-19 |
|
186 |
|
in |
1961 |
|
7 |
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in |
1893 |
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| Year Cooling DD |
|
692 |
|
708 |
|
602 |
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+90 |
|
864 |
|
in |
2020 |
|
288 |
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in |
1902 |
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| Maximum Dew Point |
|
60 |
|
61 |
|
60 |
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+0 |
|
71 |
|
in |
2015 |
|
33 |
|
in |
1981 |
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| Minimum
Dew Point |
|
55 |
|
53 |
|
49 |
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+6 |
|
66 |
|
in |
1959 |
|
26 |
|
in |
1981 |
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| Average Dew Point |
|
58 |
|
57 |
|
54 |
|
+4 |
|
68 |
|
in |
2015 |
|
30 |
|
in |
1981 |
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| Month Avg Max Dew Point |
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63.2 |
|
66.6 |
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62.9 |
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+0.3 |
|
67.2 |
|
in |
2018 |
|
54.8 |
|
in |
1966 |
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| Month
Avg Min Dew Point |
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54.1 |
|
58.3 |
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53.0 |
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+1.1 |
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58.3 |
|
in |
2023 |
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44.2 |
|
in |
1984 |
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| Month Average Dew Point |
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59.0 |
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62.7 |
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57.9 |
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+1.1 |
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62.9 |
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in |
2018 |
|
49.6 |
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in |
1984 |
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| Precipitation |
|
.00 |
|
.52 |
|
.14 |
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-.14 |
|
2.82 |
|
in |
2004 |
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| One Hour
Rain |
|
.00 |
|
.15 |
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|
.58 |
|
in |
1974 |
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| Half
Hour Rain |
|
.00 |
|
.15 |
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|
.31 |
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in |
2004 |
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| Hourly Rain Rate |
|
.00 |
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1.54 |
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3.03 |
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in |
2006 |
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| Month Precipitation |
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3.09 |
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5.83 |
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3.66 |
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-.57 |
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10.67 |
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in |
1961 |
|
.31 |
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in |
1959 |
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| Year Precipitation |
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43.78 |
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41.45 |
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33.07 |
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+10.71 |
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48.49 |
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in |
1998 |
|
17.64 |
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in |
1957 |
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| Snow |
|
0.0 |
|
0.0 |
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0.0 |
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+0.0 |
|
0.0 |
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in |
1900 |
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| Snow Depth |
|
0 |
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0 |
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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
29, 2024 |
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|
Record |
Record |
|
| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
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| Maximum Humidity |
|
96% |
|
99% |
|
92% |
|
+4% |
|
100% |
|
in |
2006 |
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68% |
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in |
1981 |
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| Minimum
Humidity |
|
74% |
|
92% |
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59% |
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+15% |
|
92% |
|
in |
2023 |
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29% |
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in |
1957 |
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| Average Humidity |
|
85% |
|
96% |
|
75% |
|
+10% |
|
96% |
|
in |
2023 |
|
49% |
|
in |
1957 |
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| Maximum Barometer |
|
30.06 |
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30.28 |
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30.13 |
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-00.07 |
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30.57 |
|
in |
1988 |
|
29.61 |
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in |
1966 |
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| Minimum
Barometer |
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30.00 |
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30.16 |
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29.89 |
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+00.11 |
|
30.30 |
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in |
2000 |
|
29.18 |
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in |
1963 |
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| Average Barometer |
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30.03 |
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30.22 |
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30.01 |
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+00.02 |
|
30.39 |
|
in |
1988 |
|
29.49 |
|
in |
1997 |
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| Average
Wind |
|
4.8 |
|
8.5 |
|
6.7 |
|
-1.9 |
|
16.5 |
|
in |
2001 |
|
3.0 |
|
in |
1965 |
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| Direction |
|
NE |
|
NE |
|
N |
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|
NNE |
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NNW |
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| High
Wind Gust |
|
13 |
|
20 |
|
22 |
|
-9 |
|
38 |
|
in |
1989 |
|
13 |
|
in |
2024 |
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| Direction |
|
NE |
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NE |
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NNE |
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SW |
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NE |
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| Maximum Water Temp |
|
66.0 |
|
64.9 |
|
66.1 |
|
-0.1 |
|
69.6 |
|
in |
2021 |
|
63.0 |
|
in |
2010 |
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| Minimum
Water Temp |
|
64.9 |
|
63.9 |
|
64.6 |
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+0.3 |
|
67.5 |
|
in |
2021 |
|
60.0 |
|
in |
2004 |
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| Average Water Temp |
|
65.5 |
|
64.4 |
|
65.4 |
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+0.1 |
|
68.6 |
|
in |
2021 |
|
61.7 |
|
in |
2000 |
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| Sunrise/ AM Twilight |
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6:40:19 AM |
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6:12:52 AM |
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| Sunset /
PM Twilight |
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6:29:17 PM |
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6:57:57 PM |
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| Length Of Day |
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11:48:58 |
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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 29, 2024 |
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| Climate Weather for September 29 |
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| Weather History For September 29 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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