Portsmouth Rhode Island Weather Almanac |
|
|
|
|
|
|
|
|
|
Sunday,
September 5, 2021 |
|
|
|
|
|
|
|
|
|
Partly
Cloudy early, Mostly Cloudy Day to Cloudy, Light Rain & Fog Late,
Seasonal Temps |
|
|
|
|
|
|
|
|
|
|
|
Climate
Normal Period |
Climate Record Period |
|
|
|
|
|
|
|
|
|
|
1991 -
2020 |
1893 - 2021 |
|
|
|
|
|
|
|
|
|
|
September 5, 2021 |
|
Record |
|
Record |
|
|
|
|
|
|
|
|
|
Observed Daily Data |
|
2021 |
|
2020 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
|
|
|
|
|
|
|
Maximum Temperature |
|
74 |
|
79 |
|
75 |
|
-1 |
|
91 |
|
in |
1961 |
|
59 |
|
in |
1994 |
|
|
|
|
|
|
|
|
|
Minimum
Temperature |
|
62 |
|
60 |
|
60 |
|
+2 |
|
72 |
|
in |
1953 |
|
47 |
|
in |
1906 |
|
|
|
|
|
|
|
|
|
Average Temperature |
|
68 |
|
70 |
|
68 |
|
+0 |
|
80 |
|
in |
1961 |
|
56 |
|
in |
1994 |
|
|
|
|
|
|
|
|
|
Month Avg Max Temperature |
|
74.2 |
|
79.2 |
|
76.0 |
|
-1.8 |
|
86.6 |
|
in |
1898 |
|
66.6 |
|
in |
1994 |
|
|
|
|
|
|
|
|
|
Month Avg
Min Temperature |
|
59.6 |
|
63.8 |
|
61.0 |
|
-1.4 |
|
70.6 |
|
in |
1959 |
|
51.4 |
|
in |
1893 |
|
|
|
|
|
|
|
|
|
Month Average
Temperature |
|
67.2 |
|
71.8 |
|
68.4 |
|
-1.2 |
|
78.8 |
|
in |
1898 |
|
60.8 |
|
in |
1994 |
|
|
|
|
|
|
|
|
|
High
Heat Index |
|
74 |
|
77 |
|
77 |
|
-3 |
|
102 |
|
in |
1961 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Low Wind Chill |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#N/A |
|
in |
#N/A |
|
|
|
|
|
|
|
|
|
HDD |
|
0 |
|
0 |
|
1 |
|
-1 |
|
9 |
|
in |
1994 |
|
0 |
|
in |
|
|
|
|
|
|
|
|
|
|
Month HDD |
|
0 |
|
0 |
|
5 |
|
-5 |
|
25 |
|
in |
1994 |
|
0 |
|
in |
2021 |
|
|
|
|
|
|
|
|
|
Season HDD |
|
9 |
|
0 |
|
12 |
|
-3 |
|
42 |
|
in |
1905 |
|
0 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
CDD |
|
3 |
|
5 |
|
3 |
|
+0 |
|
15 |
|
in |
1961 |
|
0 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
Month CDD |
|
11 |
|
34 |
|
21 |
|
-10 |
|
69 |
|
in |
1898 |
|
0 |
|
in |
1986 |
|
|
|
|
|
|
|
|
|
Year CDD |
|
694 |
|
800 |
|
558 |
|
+136 |
|
800 |
|
in |
2020 |
|
272 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
Maximum Dew Point |
|
68 |
|
58 |
|
65 |
|
+3 |
|
74 |
|
in |
2008 |
|
50 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
Minimum
Dew Point |
|
60 |
|
46 |
|
56 |
|
+4 |
|
69 |
|
in |
1953 |
|
35 |
|
in |
2000 |
|
|
|
|
|
|
|
|
|
Average Dew Point |
|
64 |
|
52 |
|
61 |
|
+3 |
|
71 |
|
in |
2008 |
|
43 |
|
in |
2000 |
|
|
|
|
|
|
|
|
|
Month Avg Max Dew Point |
|
64.2 |
|
67.8 |
|
65.4 |
|
-1.2 |
|
73.4 |
|
in |
1973 |
|
54.4 |
|
in |
1987 |
|
|
|
|
|
|
|
|
|
Month Avg
Min Dew Point |
|
55.6 |
|
56.0 |
|
56.6 |
|
-1.0 |
|
67.6 |
|
in |
1959 |
|
44.4 |
|
in |
1967 |
|
|
|
|
|
|
|
|
|
Month Average Dew Point |
|
60.2 |
|
62.0 |
|
61.0 |
|
-0.8 |
|
70.3 |
|
in |
1973 |
|
49.6 |
|
in |
1987 |
|
|
|
|
|
|
|
|
|
Precipitation |
|
.07 |
|
.00 |
|
.11 |
|
-.04 |
|
2.84 |
|
in |
1991 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
One Hour |
|
.06 |
|
.00 |
|
|
|
|
|
.67 |
|
in |
1991 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hourly Rate |
|
.32 |
|
.00 |
|
|
|
|
|
2.09 |
|
in |
2012 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Month Precipitation |
|
6.52 |
|
.39 |
|
.55 |
|
+5.97 |
|
6.52 |
|
in |
2021 |
|
.00 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
Year Precipitation |
|
35.62 |
|
24.42 |
|
29.83 |
|
+5.79 |
|
45.30 |
|
in |
1998 |
|
16.55 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
Snow |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
in |
#N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Snow Depth |
|
#N/A |
|
#N/A |
|
|
|
|
|
#N/A |
|
in |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Month Snow |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
in |
#N/A |
|
#N/A |
|
in |
|
|
|
|
|
|
|
|
|
|
Season Snow |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
in |
#N/A |
|
#N/A |
|
in |
#N/A |
|
|
|
|
|
|
|
|
|
|
|
September
5, 2021 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
Observed Daily Data |
|
2021 |
|
2020 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
Maximum Humidity |
|
96% |
|
79% |
|
92% |
|
+4% |
|
100% |
|
in |
2003 |
|
78% |
|
in |
1998 |
|
|
|
|
|
|
|
|
|
Minimum
Humidity |
|
74% |
|
33% |
|
56% |
|
+18% |
|
92% |
|
in |
1991 |
|
32% |
|
in |
2007 |
|
|
|
|
|
|
|
|
|
Average Humidity |
|
85% |
|
56% |
|
74% |
|
+11% |
|
96% |
|
in |
1991 |
|
56% |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
Maximum Barometer |
|
29.94 |
|
30.18 |
|
30.11 |
|
-00.17 |
|
30.57 |
|
in |
1989 |
|
29.66 |
|
in |
1988 |
|
|
|
|
|
|
|
|
|
Minimum
Barometer |
|
29.80 |
|
30.00 |
|
29.91 |
|
-00.11 |
|
30.28 |
|
in |
2004 |
|
29.15 |
|
in |
1988 |
|
|
|
|
|
|
|
|
|
Average Barometer |
|
29.87 |
|
30.09 |
|
30.01 |
|
-00.14 |
|
30.39 |
|
in |
1989 |
|
29.41 |
|
in |
1988 |
|
|
|
|
|
|
|
|
|
Average Wind |
|
6.5 |
|
6.0 |
|
5.8 |
|
+0.7 |
|
13.5 |
|
in |
2016 |
|
1.6 |
|
in |
2006 |
|
|
|
|
|
|
|
|
|
Direction |
|
SW |
|
NNW |
|
SSW |
|
|
|
NNE |
|
|
|
|
SSW |
|
|
|
|
|
|
|
|
|
|
|
|
High Wind Gust |
|
23 |
|
21 |
|
20 |
|
+3 |
|
41 |
|
in |
2016 |
|
11 |
|
in |
1952 |
|
|
|
|
|
|
|
|
|
Direction |
|
SW |
|
SW |
|
SW |
|
|
|
NNE |
|
|
|
|
SW |
|
|
|
|
|
|
|
|
|
|
|
|
Maximum Water Temp |
|
72.0 |
|
70.9 |
|
70.4 |
|
+1.6 |
|
73.8 |
|
in |
2018 |
|
66.9 |
|
in |
1997 |
|
|
|
|
|
|
|
|
|
Minimum
Water Temp |
|
70.2 |
|
68.5 |
|
67.8 |
|
+2.4 |
|
71.5 |
|
in |
2018 |
|
64.7 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
Average Water Temp |
|
71.1 |
|
69.7 |
|
69.1 |
|
+2.0 |
|
72.7 |
|
in |
2018 |
|
65.9 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
Sunrise/ AM Twilight |
|
6:14:34 AM |
|
5:47:48 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Sunset /
PM Twilight |
|
7:13:02 PM |
|
7:39:48 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Length Of Day |
|
12:58:28 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Special Conditions |
|
Fog |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Comments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hour-by-Hour Weather For September 5, 2021 |
|
|
|
|
|
|
|
|
Climate Weather for September 5 |
|
|
|
|
|
|
|
|
Weather History For September 5 |
|
|
|
|
|
|
|
|
Weather Calendar |
|
|
|
|
|
|
|
|
|
Back
To Weather Stat Page |
|
|
|
|
|
|
|
|
|
Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|