| Portsmouth Rhode Island Weather Almanac |
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| Saturday,
September 28, 2024 |
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| Mostly
Cloudy early, Partly Cloudy Day to Cloudy PM, 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 28, 2024 |
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Record |
|
Record |
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| Observed Daily Data |
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2024 |
|
2023 |
|
Norm |
|
Depart |
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Highest |
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Lowest |
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| Maximum Temperature |
|
74 |
|
69 |
|
68 |
|
+6 |
|
80 |
|
in |
2017 |
|
55 |
|
in |
1914 |
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| Minimum
Temperature |
|
60 |
|
50 |
|
54 |
|
+6 |
|
67 |
|
in |
2010 |
|
35 |
|
in |
1980 |
|
|
| Average Temperature |
|
67 |
|
60 |
|
61 |
|
+6 |
|
71 |
|
in |
1961 |
|
46 |
|
in |
1965 |
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| Month Avg Max Temperature |
|
73.1 |
|
74.9 |
|
72.4 |
|
+0.7 |
|
78.6 |
|
in |
1961 |
|
67.8 |
|
in |
1963 |
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| Month
Avg Min Temperature |
|
57.4 |
|
60.7 |
|
57.7 |
|
-0.3 |
|
63.3 |
|
in |
1961 |
|
52.0 |
|
in |
1956 |
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| Month Average
Temperature |
|
65.5 |
|
68.2 |
|
65.1 |
|
+0.4 |
|
71.1 |
|
in |
1961 |
|
60.4 |
|
in |
1963 |
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| High
Heat Index |
|
76 |
|
69 |
|
70 |
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+6 |
|
81 |
|
in |
2017 |
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| Low
Wind Chill |
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|
33 |
|
in |
1980 |
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| Heating Degree Days |
|
0 |
|
5 |
|
5 |
|
-5 |
|
19 |
|
in |
1965 |
|
0 |
|
in |
2024 |
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| Month Heating DD |
|
33 |
|
46 |
|
63 |
|
-30 |
|
167 |
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in |
1956 |
|
3 |
|
in |
2021 |
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| Season
Heating DD |
|
35 |
|
46 |
|
70 |
|
-35 |
|
198 |
|
in |
1956 |
|
3 |
|
in |
2021 |
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| Cooling Degree Days |
|
2 |
|
0 |
|
1 |
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+1 |
|
6 |
|
in |
1961 |
|
0 |
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in |
2023 |
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| Month Cooling DD |
|
46 |
|
136 |
|
64 |
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-18 |
|
186 |
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in |
1961 |
|
7 |
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in |
1893 |
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| Year Cooling DD |
|
692 |
|
708 |
|
601 |
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+91 |
|
860 |
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in |
2020 |
|
287 |
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in |
1902 |
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| Maximum Dew Point |
|
63 |
|
59 |
|
60 |
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+3 |
|
72 |
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in |
2017 |
|
31 |
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in |
1957 |
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| Minimum
Dew Point |
|
56 |
|
49 |
|
49 |
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+7 |
|
66 |
|
in |
2010 |
|
22 |
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in |
1957 |
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| Average Dew Point |
|
60 |
|
54 |
|
55 |
|
+5 |
|
68 |
|
in |
2010 |
|
27 |
|
in |
1957 |
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| Month Avg Max Dew Point |
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63.4 |
|
66.8 |
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63.0 |
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+0.4 |
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67.4 |
|
in |
2018 |
|
54.8 |
|
in |
1966 |
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| Month
Avg Min Dew Point |
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54.1 |
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58.5 |
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53.2 |
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+0.9 |
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58.5 |
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in |
2023 |
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44.3 |
|
in |
1984 |
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| Month Average Dew Point |
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59.0 |
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62.9 |
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58.1 |
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+1.0 |
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63.1 |
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in |
2018 |
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49.8 |
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in |
1984 |
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| Precipitation |
|
.00 |
|
.00 |
|
.14 |
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-.14 |
|
1.85 |
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in |
1958 |
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| One
Hour Rain |
|
.00 |
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.00 |
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|
.73 |
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in |
2018 |
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| Half
Hour Rain |
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.00 |
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.00 |
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.39 |
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in |
2018 |
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| Hourly Rain Rate |
|
.00 |
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.00 |
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3.81 |
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in |
2021 |
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| Month Precipitation |
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3.09 |
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5.31 |
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3.52 |
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-.43 |
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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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40.93 |
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32.93 |
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+10.85 |
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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 |
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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
28, 2024 |
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|
Record |
Record |
|
| Observed Daily Data |
|
2024 |
|
2023 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
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| Maximum Humidity |
|
97% |
|
98% |
|
93% |
|
+4% |
|
100% |
|
in |
2017 |
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59% |
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in |
1957 |
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| Minimum
Humidity |
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68% |
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65% |
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59% |
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+9% |
|
96% |
|
in |
2004 |
|
24% |
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in |
1957 |
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| Average Humidity |
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83% |
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82% |
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76% |
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+6% |
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98% |
|
in |
2004 |
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42% |
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in |
1957 |
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| Maximum Barometer |
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30.04 |
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30.32 |
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30.12 |
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-00.08 |
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30.46 |
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in |
1985 |
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29.62 |
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in |
2009 |
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| Minimum
Barometer |
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29.98 |
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30.26 |
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29.89 |
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+00.09 |
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30.28 |
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in |
1950 |
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29.45 |
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in |
2009 |
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| Average Barometer |
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30.01 |
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30.29 |
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30.00 |
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+00.01 |
|
30.35 |
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in |
1950 |
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29.54 |
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in |
2009 |
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| Average
Wind |
|
5.0 |
|
6.4 |
|
6.4 |
|
-1.4 |
|
14.3 |
|
in |
1956 |
|
0.9 |
|
in |
1965 |
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| Direction |
|
E |
|
ENE |
|
S |
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|
NNE |
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NNW |
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| High
Wind Gust |
|
13 |
|
17 |
|
22 |
|
-9 |
|
44 |
|
in |
1985 |
|
10 |
|
in |
2015 |
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| Direction |
|
E |
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E |
|
S |
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SW |
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|
SE |
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| Maximum Water Temp |
|
66.2 |
|
65.5 |
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66.8 |
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-0.6 |
|
70.2 |
|
in |
2021 |
|
62.9 |
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in |
2010 |
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| Minimum
Water Temp |
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65.7 |
|
63.5 |
|
65.1 |
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+0.6 |
|
69.4 |
|
in |
2021 |
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61.1 |
|
in |
2010 |
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| Average Water Temp |
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66.0 |
|
64.5 |
|
66.0 |
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-0.0 |
|
69.8 |
|
in |
2021 |
|
62.0 |
|
in |
2010 |
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| Sunrise/ AM Twilight |
|
6:39:16 AM |
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6:11:50 AM |
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| Sunset
/ PM Twilight |
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6:30:59 PM |
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6:59:40 PM |
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| Length Of Day |
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11:51:43 |
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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 28, 2024 |
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| Climate Weather for September 28 |
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| Weather History For September 28 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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