Portsmouth Rhode Island
Weather Almanac |
|
|
|
|
|
|
|
|
Tuesday, September 8, 2020 |
|
|
|
|
|
|
|
|
Cloudy & Dense Fog early, Partly Cloudy Day to Mostly
Cloudy PM, Light Winds, Warm and Humid |
|
|
|
|
|
|
|
|
Climate
Normal Period |
|
Climate Record Period |
|
|
|
|
|
|
|
|
|
1981- 2010 |
|
1893 - 2020 |
|
|
|
|
|
|
|
|
|
|
|
September
8, 2020 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
Observed Daily Data |
|
Observed |
|
2019 |
|
Normal |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
Maximum Temperature |
|
81 |
|
76 |
|
74 |
|
+7 |
|
88 |
|
in |
1945 |
|
62 |
|
in |
1932 |
|
|
|
|
|
|
|
|
|
Minimum
Temperature |
|
63 |
|
60 |
|
59 |
|
+4 |
|
70 |
|
in |
2015 |
|
46 |
|
in |
1952 |
|
|
|
|
|
|
|
|
|
Average Temperature |
|
72 |
|
68 |
|
66 |
|
+6 |
|
79 |
|
in |
2015 |
|
56 |
|
in |
1952 |
|
|
|
|
|
|
|
|
|
Precipitation |
|
.00 |
|
.00 |
|
.13 |
|
-.13 |
|
1.84 |
|
in |
2011 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
One Hour |
|
.00 |
|
.00 |
|
|
|
|
|
.69 |
|
in |
2011 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Snow |
|
#N/A |
|
0.0 |
|
0.0 |
|
#N/A |
|
0.0 |
|
in |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Snow Depth |
|
#N/A |
|
0 |
|
|
|
|
|
0 |
|
in |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
HDD |
|
0 |
|
0 |
|
1 |
|
-1 |
|
9 |
|
in |
1952 |
|
0 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
CDD |
|
7 |
|
3 |
|
3 |
|
+4 |
|
14 |
|
in |
2015 |
|
0 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
Maximum Dew Point |
|
70 |
|
59 |
|
62 |
|
+8 |
|
74 |
|
in |
2012 |
|
48 |
|
in |
1980 |
|
|
|
|
|
|
|
|
|
Minimum
Dew Point |
|
62 |
|
54 |
|
53 |
|
+9 |
|
69 |
|
in |
2004 |
|
37 |
|
in |
1955 |
|
|
|
|
|
|
|
|
|
Average Dew Point |
|
66 |
|
57 |
|
58 |
|
+9 |
|
71 |
|
in |
2004 |
|
44 |
|
in |
1980 |
|
|
|
|
|
|
|
|
|
Maximum Humidity |
|
98% |
|
86% |
|
92% |
|
+6% |
|
100% |
|
in |
2006 |
|
60% |
|
in |
1983 |
|
|
|
|
|
|
|
|
|
Minimum
Humidity |
|
65% |
|
51% |
|
59% |
|
+6% |
|
96% |
|
in |
1993 |
|
30% |
|
in |
1980 |
|
|
|
|
|
|
|
|
|
Average Humidity |
|
82% |
|
69% |
|
75% |
|
+6% |
|
98% |
|
in |
1993 |
|
48% |
|
in |
1983 |
|
|
|
|
|
|
|
|
|
Maximum Barometer |
|
30.24 |
|
30.16 |
|
30.12 |
|
+00.12 |
|
30.54 |
|
in |
1984 |
|
29.59 |
|
in |
1998 |
|
|
|
|
|
|
|
|
|
Minimum
Barometer |
|
30.10 |
|
29.85 |
|
29.93 |
|
+00.17 |
|
30.27 |
|
in |
1984 |
|
29.47 |
|
in |
1998 |
|
|
|
|
|
|
|
|
|
Average Barometer |
|
30.17 |
|
30.01 |
|
30.03 |
|
+00.14 |
|
30.41 |
|
in |
1984 |
|
29.53 |
|
in |
1998 |
|
|
|
|
|
|
|
|
|
Average Wind |
|
3.4 |
|
6.7 |
|
5.5 |
|
-2.1 |
|
10.2 |
|
in |
1981 |
|
1.0 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
Direction |
|
S |
|
WNW |
|
S |
|
|
|
S |
|
|
|
|
SW |
|
|
|
|
|
|
|
|
|
|
|
|
High Wind Gust |
|
15 |
|
18 |
|
20 |
|
-5 |
|
47 |
|
in |
1932 |
|
11 |
|
in |
2009 |
|
|
|
|
|
|
|
|
|
Direction |
|
SW |
|
NW |
|
SW |
|
|
|
N |
|
|
|
|
WNW |
|
|
|
|
|
|
|
|
|
|
|
|
High
Heat Index |
|
84 |
|
76 |
|
75 |
|
+9 |
|
93 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Wind Chill |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#N/A |
|
in |
#N/A |
|
|
|
|
|
|
|
|
|
Maximum Water Temp |
|
72.1 |
|
69.6 |
|
70.2 |
|
+1.9 |
|
74.3 |
|
in |
2015 |
|
66.2 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
Minimum
Water Temp |
|
69.4 |
|
68.3 |
|
67.9 |
|
+1.5 |
|
72.2 |
|
in |
2012 |
|
64.3 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
Average Water Temp |
|
70.8 |
|
69.0 |
|
69.0 |
|
+1.7 |
|
73.1 |
|
in |
2012 |
|
65.3 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
Sunrise/ AM Twilight |
|
6:19:52 AM |
|
5:51:56 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Sunset
/ PM Twilight |
|
7:05:03 PM |
|
7:32:59 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Length Of Day |
|
12:45:11 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Special Conditions |
|
Dense Fog |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Comments |
|
|
|
|
|
|
|
|
|
|
|
|
|
September
8, 2020 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
Month-to-Date Summary |
|
Observed |
|
2019 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
Avg Maximum Temperature |
|
79.5 |
|
74.8 |
|
75.0 |
|
+4.5 |
|
85.0 |
|
in |
1983 |
|
68.3 |
|
in |
1994 |
|
|
|
|
|
|
|
|
|
Avg
Minimum Temperature |
|
63.4 |
|
58.8 |
|
59.9 |
|
+3.5 |
|
69.3 |
|
in |
1898 |
|
51.4 |
|
in |
1893 |
|
|
|
|
|
|
|
|
|
Average Temperature |
|
71.6 |
|
66.9 |
|
67.4 |
|
+4.2 |
|
76.8 |
|
in |
1898 |
|
61.4 |
|
in |
1994 |
|
|
|
|
|
|
|
|
|
Total
Precipitation |
|
.39 |
|
.08 |
|
1.04 |
|
-.65 |
|
4.18 |
|
in |
1905 |
|
.00 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
Total Snow |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
0.0 |
|
in |
|
|
0.0 |
|
in |
|
|
|
|
|
|
|
|
|
|
Total
HDD |
|
0 |
|
5 |
|
8 |
|
-8 |
|
33 |
|
in |
1994 |
|
0 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
Total CDD |
|
53 |
|
20 |
|
29 |
|
+24 |
|
94 |
|
in |
1898 |
|
0 |
|
in |
1893 |
|
|
|
|
|
|
|
|
|
Avg Maximum Dew Point |
|
67.6 |
|
64.4 |
|
63.0 |
|
+4.7 |
|
71.3 |
|
in |
2014 |
|
52.9 |
|
in |
1984 |
|
|
|
|
|
|
|
|
|
Avg
Minimum Dew Point |
|
57.6 |
|
54.9 |
|
54.0 |
|
+3.7 |
|
64.3 |
|
in |
1959 |
|
43.6 |
|
in |
1984 |
|
|
|
|
|
|
|
|
|
Average Dew Point |
|
62.8 |
|
59.9 |
|
58.5 |
|
+4.3 |
|
67.4 |
|
in |
1959 |
|
48.3 |
|
in |
1984 |
|
|
|
|
|
|
|
|
|
|
|
September 8, 2020 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
Year-to-Date Summary |
|
Observed |
|
2019 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
Total Precipitation |
|
24.42 |
|
37.91 |
|
32.66 |
|
-8.24 |
|
46.33 |
|
in |
1998 |
|
16.94 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
Total
Snow (since Jul 1 20) |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
0.0 |
|
in |
|
|
0.0 |
|
in |
|
|
|
|
|
|
|
|
|
|
Total HDD (since Jul 1
20) |
|
0 |
|
5 |
|
17 |
|
-17 |
|
33 |
|
in |
1994 |
|
0 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
Total
CDD (since Jan 1) |
|
819 |
|
678 |
|
527 |
|
+292 |
|
819 |
|
in |
2020 |
|
276 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hour-by-Hour Weather For September 8, 2020 |
|
|
|
Climate Weather for September 8 |
|
|
|
Weather History For September 8 |
|
|
|
Weather Calendar |
|
|
|
Back To Weather Stat Page |
|
|
|
Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|