| Portsmouth Rhode Island
Weather Almanac |
|
|
|
|
|
|
|
|
| Tuesday, December 1, 2020 |
|
|
|
|
|
|
|
|
| Cloudy, Light Rain, Fog and Thunderstorm early then Mostly
Cloudy, Windy and Continued Very Warm |
|
|
|
|
|
|
|
|
| Climate
Normal Period |
|
Climate Record Period |
|
|
|
|
|
|
|
|
|
| 1981- 2010 |
|
1893 - 2020 |
|
|
|
|
|
|
|
|
|
| |
|
December
1, 2020 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
Observed |
|
2019 |
|
Normal |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Maximum Temperature |
|
62 |
|
37 |
|
47 |
|
+15 |
|
63 |
|
in |
2006 |
|
30 |
|
in |
1958 |
|
|
|
|
|
|
|
|
|
| Minimum
Temperature |
|
42 |
|
22 |
|
33 |
|
+9 |
|
57 |
|
in |
2006 |
|
12 |
|
in |
1936 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
52 |
|
30 |
|
40 |
|
+12 |
|
60 |
|
in |
2006 |
|
22 |
|
in |
1936 |
|
|
|
|
|
|
|
|
|
| Precipitation |
|
.04 |
|
.36 |
|
.15 |
|
-.11 |
|
1.64 |
|
in |
1972 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| One
Hour |
|
.04 |
|
.11 |
|
|
|
|
|
.46 |
|
in |
1972 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Snow |
|
0.0 |
|
0.8 |
|
0.1 |
|
-0.1 |
|
0.8 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Snow
Depth |
|
0 |
|
0 |
|
|
|
|
|
13 |
|
in |
1898 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| HDD |
|
13 |
|
35 |
|
25 |
|
-12 |
|
43 |
|
in |
1936 |
|
5 |
|
in |
2006 |
|
|
|
|
|
|
|
|
|
| CDD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
0 |
|
in |
|
0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Maximum Dew Point |
|
61 |
|
33 |
|
39 |
|
+22 |
|
62 |
|
in |
2006 |
|
10 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Minimum
Dew Point |
|
31 |
|
9 |
|
25 |
|
+7 |
|
55 |
|
in |
2006 |
|
-2 |
|
in |
2007 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
46 |
|
21 |
|
32 |
|
+14 |
|
59 |
|
in |
2006 |
|
4 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Maximum Humidity |
|
98% |
|
94% |
|
82% |
|
+16% |
|
100% |
|
in |
2013 |
|
48% |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Minimum
Humidity |
|
61% |
|
48% |
|
52% |
|
+9% |
|
92% |
|
in |
1977 |
|
23% |
|
in |
1962 |
|
|
|
|
|
|
|
|
|
| Average Humidity |
|
80% |
|
71% |
|
67% |
|
+12% |
|
96% |
|
in |
2006 |
|
39% |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Maximum Barometer |
|
29.79 |
|
30.04 |
|
30.17 |
|
-00.38 |
|
30.87 |
|
in |
1993 |
|
29.51 |
|
in |
1997 |
|
|
|
|
|
|
|
|
|
| Minimum
Barometer |
|
29.52 |
|
29.64 |
|
29.82 |
|
-00.30 |
|
30.67 |
|
in |
1993 |
|
29.08 |
|
in |
1972 |
|
|
|
|
|
|
|
|
|
| Average Barometer |
|
29.66 |
|
29.84 |
|
29.99 |
|
-00.34 |
|
30.77 |
|
in |
1993 |
|
29.34 |
|
in |
1987 |
|
|
|
|
|
|
|
|
|
| Average Wind |
|
11.9 |
|
9.4 |
|
8.6 |
|
+3.3 |
|
20.4 |
|
in |
1999 |
|
1.3 |
|
in |
1962 |
|
|
|
|
|
|
|
|
|
| Direction |
|
SW |
|
N |
|
SW |
|
|
|
N |
|
|
|
|
WNW |
|
|
|
|
|
|
|
|
|
|
|
|
| High Wind Gust |
|
38 |
|
26 |
|
27 |
|
+11 |
|
55 |
|
in |
1957 |
|
10 |
|
in |
1962 |
|
|
|
|
|
|
|
|
|
| Direction |
|
SSE |
|
NE |
|
N |
|
|
|
WNW |
|
|
|
|
NE |
|
|
|
|
|
|
|
|
|
|
|
|
| High Heat Index |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Wind Chill |
|
35 |
|
13 |
|
23 |
|
+12 |
|
|
|
|
|
|
-1 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Maximum Water Temp |
|
54.5 |
|
44.8 |
|
49.8 |
|
+4.7 |
|
54.5 |
|
in |
2020 |
|
44.8 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| Minimum
Water Temp |
|
53.1 |
|
42.1 |
|
47.3 |
|
+5.8 |
|
53.1 |
|
in |
2020 |
|
42.1 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| Average Water Temp |
|
53.8 |
|
43.5 |
|
48.5 |
|
+5.3 |
|
53.8 |
|
in |
2020 |
|
43.5 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| Sunrise/ AM Twilight |
|
6:53:30 AM |
|
6:22:43 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Sunset /
PM Twilight |
|
4:16:05 PM |
|
4:46:52 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Length Of Day |
|
9:22:35 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Special Conditions |
|
Fog, Thunderstorm |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Comments |
|
|
|
|
|
|
|
|
|
|
|
| |
|
December
1, 2020 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Month-to-Date Summary |
|
Observed |
|
2019 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Avg Maximum Temperature |
|
62.0 |
|
37.0 |
|
47.0 |
|
+15.0 |
|
63.0 |
|
in |
2006 |
|
30.0 |
|
in |
1958 |
|
|
|
|
|
|
|
|
|
| Avg
Minimum Temperature |
|
42.0 |
|
22.0 |
|
33.0 |
|
+9.0 |
|
57.0 |
|
in |
2006 |
|
12.0 |
|
in |
1936 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
52.0 |
|
30.0 |
|
40.0 |
|
+12.0 |
|
60.0 |
|
in |
2006 |
|
22.0 |
|
in |
1936 |
|
|
|
|
|
|
|
|
|
| Total
Precipitation |
|
.04 |
|
.36 |
|
.15 |
|
-.11 |
|
1.64 |
|
in |
1972 |
|
.00 |
|
in |
2011 |
|
|
|
|
|
|
|
|
|
| Total Snow |
|
0.0 |
|
0.8 |
|
0.1 |
|
-0.1 |
|
0.8 |
|
in |
2019 |
|
0.0 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
| Total
HDD |
|
13 |
|
35 |
|
25 |
|
-12 |
|
43 |
|
in |
1936 |
|
5 |
|
in |
2006 |
|
|
|
|
|
|
|
|
|
| Total CDD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
0 |
|
in |
|
|
|
|
in |
|
|
|
|
|
|
|
|
|
|
| Avg Maximum Dew Point |
|
61.0 |
|
33.0 |
|
39.4 |
|
+21.6 |
|
62.0 |
|
in |
2006 |
|
10.0 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Avg
Minimum Dew Point |
|
31.0 |
|
9.0 |
|
24.5 |
|
+6.5 |
|
55.0 |
|
in |
2006 |
|
-2.0 |
|
in |
2007 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
46.0 |
|
21.0 |
|
32.0 |
|
+14.1 |
|
58.5 |
|
in |
2006 |
|
4.0 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| |
|
December 1, 2020 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Year-to-Date Summary |
|
Observed |
|
2019 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Total Precipitation |
|
36.92 |
|
49.86 |
|
44.13 |
|
-7.21 |
|
60.27 |
|
in |
1983 |
|
24.15 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Total
Snow (since Jul 1 20) |
|
0.6 |
|
0.8 |
|
1.2 |
|
-0.6 |
|
19.5 |
|
in |
1898 |
|
0.0 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
| Total HDD (since Jul 1
20) |
|
806 |
|
1025 |
|
1057 |
|
-251 |
|
1340 |
|
in |
1904 |
|
793 |
|
in |
2011 |
|
|
|
|
|
|
|
|
|
| Total
CDD (since Jan 1) |
|
871 |
|
731 |
|
563 |
|
+308 |
|
871 |
|
in |
2020 |
|
290 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hour-by-Hour Weather For December 1, 2020 |
|
|
|
|
| Climate Weather for December 1 |
|
|
|
|
| Weather History For December 1 |
|
|
|
|
| Weather Calendar |
|
|
|
| Back To Weather Stat Page |
|
|
|
| Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|