Portsmouth Rhode Island Weather Almanac |
|
|
|
|
|
|
|
|
|
Saturday,
September 17, 2022 |
|
|
|
|
|
|
|
|
|
Clear to
Partly Cloudy PM, Continued Cool |
|
|
|
|
|
|
|
|
|
|
|
Climate
Normal Period |
Climate Record Period |
|
|
|
|
|
|
|
|
|
|
1991 -
2020 |
1893 - 2022 |
|
|
|
|
|
|
|
|
|
|
September 17, 2022 |
|
Record |
|
Record |
|
|
|
|
|
|
|
|
|
Observed Daily Data |
|
2022 |
|
2021 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
|
|
|
|
|
|
|
Maximum Temperature |
|
70 |
|
73 |
|
72 |
|
-2 |
|
86 |
|
in |
1991 |
|
57 |
|
in |
1954 |
|
|
|
|
|
|
|
|
|
Minimum
Temperature |
|
50 |
|
64 |
|
57 |
|
-7 |
|
69 |
|
in |
1991 |
|
43 |
|
in |
1948 |
|
|
|
|
|
|
|
|
|
Average Temperature |
|
60 |
|
69 |
|
64 |
|
-4 |
|
78 |
|
in |
1991 |
|
53 |
|
in |
2013 |
|
|
|
|
|
|
|
|
|
Month Avg Max Temperature |
|
75.2 |
|
75.9 |
|
74.1 |
|
+1.1 |
|
81.2 |
|
in |
1983 |
|
68.1 |
|
in |
1917 |
|
|
|
|
|
|
|
|
|
Month
Avg Min Temperature |
|
59.5 |
|
61.8 |
|
59.2 |
|
+0.2 |
|
64.8 |
|
in |
1961 |
|
52.7 |
|
in |
1893 |
|
|
|
|
|
|
|
|
|
Month Average
Temperature |
|
67.5 |
|
69.2 |
|
66.6 |
|
+0.9 |
|
73.1 |
|
in |
1961 |
|
61.4 |
|
in |
1963 |
|
|
|
|
|
|
|
|
|
High
Heat Index |
|
69 |
|
75 |
|
71 |
|
-2 |
|
96 |
|
in |
1991 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Low Wind Chill |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
41 |
|
in |
1959 |
|
|
|
|
|
|
|
|
|
Heating Degree Days |
|
5 |
|
0 |
|
3 |
|
+2 |
|
12 |
|
in |
2013 |
|
0 |
|
in |
2021 |
|
|
|
|
|
|
|
|
|
Month HDD |
|
12 |
|
1 |
|
23 |
|
-11 |
|
85 |
|
in |
1913 |
|
0 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
Season
HDD |
|
12 |
|
1 |
|
30 |
|
-18 |
|
85 |
|
in |
1913 |
|
0 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
Cooling Degree Days |
|
0 |
|
4 |
|
2 |
|
-2 |
|
13 |
|
in |
1991 |
|
0 |
|
in |
2022 |
|
|
|
|
|
|
|
|
|
Month CDD |
|
55 |
|
72 |
|
51 |
|
+4 |
|
148 |
|
in |
1961 |
|
7 |
|
in |
1975 |
|
|
|
|
|
|
|
|
|
Year CDD |
|
759 |
|
755 |
|
588 |
|
+171 |
|
840 |
|
in |
2020 |
|
280 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
Maximum Dew Point |
|
59 |
|
69 |
|
62 |
|
-3 |
|
72 |
|
in |
1991 |
|
43 |
|
in |
2013 |
|
|
|
|
|
|
|
|
|
Minimum
Dew Point |
|
47 |
|
62 |
|
52 |
|
-5 |
|
68 |
|
in |
1991 |
|
28 |
|
in |
1959 |
|
|
|
|
|
|
|
|
|
Average Dew Point |
|
53 |
|
66 |
|
57 |
|
-4 |
|
70 |
|
in |
1991 |
|
38 |
|
in |
1959 |
|
|
|
|
|
|
|
|
|
Month Avg Max Dew Point |
|
64.6 |
|
67.3 |
|
64.2 |
|
+0.5 |
|
69.0 |
|
in |
2018 |
|
55.1 |
|
in |
1975 |
|
|
|
|
|
|
|
|
|
Month
Avg Min Dew Point |
|
55.3 |
|
58.0 |
|
54.8 |
|
+0.5 |
|
60.9 |
|
in |
2018 |
|
44.6 |
|
in |
1967 |
|
|
|
|
|
|
|
|
|
Month Average Dew Point |
|
60.3 |
|
62.9 |
|
59.4 |
|
+0.9 |
|
65.2 |
|
in |
2018 |
|
50.1 |
|
in |
1967 |
|
|
|
|
|
|
|
|
|
Precipitation |
|
.00 |
|
.07 |
|
.14 |
|
-.14 |
|
2.66 |
|
in |
1933 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
One Hour |
|
.00 |
|
.07 |
|
|
|
|
|
.76 |
|
in |
1995 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hourly Rate |
|
.00 |
|
.41 |
|
|
|
|
|
1.47 |
|
in |
2005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Month Precipitation |
|
3.23 |
|
8.56 |
|
2.05 |
|
+1.18 |
|
8.56 |
|
in |
2021 |
|
.03 |
|
in |
1980 |
|
|
|
|
|
|
|
|
|
Year Precipitation |
|
28.65 |
|
37.66 |
|
31.33 |
|
-2.68 |
|
46.35 |
|
in |
1998 |
|
17.53 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
Snow |
|
#N/A |
|
#N/A |
|
0.0 |
|
#N/A |
|
|
|
in |
|
|
|
|
in |
|
|
|
|
|
|
|
|
|
|
Snow Depth |
|
#N/A |
|
#N/A |
|
|
|
|
|
|
|
in |
|
|
|
|
in |
|
|
|
|
|
|
|
|
|
|
Month Snow |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
|
|
in |
|
|
|
|
in |
|
|
|
|
|
|
|
|
|
|
Season Snow |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
in |
#N/A |
|
#N/A |
|
in |
#N/A |
|
|
|
|
|
|
|
|
|
|
|
September 17, 2022 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
Observed Daily Data |
|
2022 |
|
2021 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
Maximum Humidity |
|
90% |
|
99% |
|
93% |
|
-3% |
|
100% |
|
in |
2017 |
|
67% |
|
in |
2000 |
|
|
|
|
|
|
|
|
|
Minimum
Humidity |
|
52% |
|
88% |
|
61% |
|
-9% |
|
98% |
|
in |
1993 |
|
28% |
|
in |
1968 |
|
|
|
|
|
|
|
|
|
Average Humidity |
|
71% |
|
94% |
|
77% |
|
-6% |
|
99% |
|
in |
1993 |
|
54% |
|
in |
1950 |
|
|
|
|
|
|
|
|
|
Maximum Barometer |
|
30.30 |
|
30.30 |
|
30.16 |
|
+00.14 |
|
30.55 |
|
in |
1986 |
|
29.83 |
|
in |
1952 |
|
|
|
|
|
|
|
|
|
Minimum
Barometer |
|
30.17 |
|
30.12 |
|
29.94 |
|
+00.23 |
|
30.37 |
|
in |
2011 |
|
29.18 |
|
in |
1999 |
|
|
|
|
|
|
|
|
|
Average Barometer |
|
30.24 |
|
30.21 |
|
30.05 |
|
+00.18 |
|
30.43 |
|
in |
2011 |
|
29.52 |
|
in |
1999 |
|
|
|
|
|
|
|
|
|
Average Wind |
|
5.3 |
|
5.6 |
|
5.4 |
|
-0.1 |
|
18.9 |
|
in |
1999 |
|
0.9 |
|
in |
2006 |
|
|
|
|
|
|
|
|
|
Direction |
|
SSW |
|
NE |
|
N |
|
|
|
WNW |
SSE |
|
|
|
|
|
|
|
|
High Wind Gust |
|
14 |
|
17 |
|
20 |
|
-6 |
|
50 |
|
in |
1999 |
|
10 |
|
in |
2006 |
|
|
|
|
|
|
|
|
|
Direction |
|
NNE |
|
ENE |
|
NNE |
|
|
|
SW |
S |
|
|
|
|
|
|
|
|
Maximum Water Temp |
|
69.8 |
|
70.5 |
|
68.3 |
|
+1.5 |
|
71.1 |
|
in |
2015 |
|
64.8 |
|
in |
2013 |
|
|
|
|
|
|
|
|
|
Minimum
Water Temp |
|
68.4 |
|
69.8 |
|
66.3 |
|
+2.1 |
|
69.8 |
|
in |
2021 |
|
61.8 |
|
in |
2013 |
|
|
|
|
|
|
|
|
|
Average Water Temp |
|
69.1 |
|
70.2 |
|
67.3 |
|
+1.8 |
|
70.2 |
|
in |
2021 |
|
63.3 |
|
in |
2013 |
|
|
|
|
|
|
|
|
|
Sunrise/ AM Twilight |
|
6:27:23 AM |
|
6:00:23 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Sunset /
PM Twilight |
|
6:50:51 PM |
|
7:18:47 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Length Of Day |
|
12:23:28 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Special Conditions |
|
None |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Comments |
|
Moderate Drought |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hour-by-Hour Weather For September 17, 2022 |
|
|
|
|
|
|
|
|
Climate Weather for September 17 |
|
|
|
|
|
|
|
|
Weather History For September 17 |
|
|
|
|
|
|
|
|
Weather Calendar |
|
|
|
|
|
|
|
|
|
Back
To Weather Stat Page |
|
|
|
|
|
|
|
|
|
Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|