Portsmouth Rhode Island
Weather Almanac |
|
|
|
|
|
|
|
|
Sunday, December 6, 2020 |
|
|
|
|
|
|
|
|
Mostly Cloudy early then Clear, Windy and Cooler |
|
|
|
|
|
|
|
|
Climate Normal
Period |
|
Climate Record Period |
|
|
|
|
|
|
|
|
|
1981- 2010 |
|
1893 - 2020 |
|
|
|
|
|
|
|
|
|
|
|
December
6, 2020 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
Observed Daily Data |
|
Observed |
|
2019 |
|
Normal |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
Maximum Temperature |
|
38 |
|
47 |
|
45 |
|
-7 |
|
62 |
|
in |
2001 |
|
24 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
Minimum
Temperature |
|
30 |
|
29 |
|
31 |
|
-1 |
|
54 |
|
in |
1999 |
|
11 |
|
in |
1901 |
|
|
|
|
|
|
|
|
|
Average Temperature |
|
34 |
|
38 |
|
38 |
|
-4 |
|
58 |
|
in |
2001 |
|
19 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
Precipitation |
|
.00 |
|
T |
|
.15 |
|
-.15 |
|
2.06 |
|
in |
1945 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
One Hour |
|
.00 |
|
T |
|
|
|
|
|
.50 |
|
in |
1953 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Snow |
|
0.0 |
|
0.0 |
|
0.2 |
|
-0.2 |
|
13.9 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Snow
Depth |
|
0 |
|
1 |
|
|
|
|
|
8 |
|
in |
2002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
HDD |
|
31 |
|
27 |
|
27 |
|
+4 |
|
46 |
|
in |
1902 |
|
7 |
|
in |
2001 |
|
|
|
|
|
|
|
|
|
CDD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
0 |
|
in |
|
0 |
|
in |
|
|
|
|
|
|
|
|
|
|
Maximum Dew Point |
|
32 |
|
41 |
|
37 |
|
-5 |
|
59 |
|
in |
1982 |
|
12 |
|
in |
1969 |
|
|
|
|
|
|
|
|
|
Minimum
Dew Point |
|
22 |
|
19 |
|
22 |
|
-0 |
|
52 |
|
in |
2011 |
|
2 |
|
in |
1992 |
|
|
|
|
|
|
|
|
|
Average Dew Point |
|
27 |
|
30 |
|
29 |
|
-2 |
|
54 |
|
in |
2011 |
|
10 |
|
in |
1969 |
|
|
|
|
|
|
|
|
|
Maximum Humidity |
|
83% |
|
81% |
|
88% |
|
-5% |
|
100% |
|
in |
2013 |
|
56% |
|
in |
1992 |
|
|
|
|
|
|
|
|
|
Minimum
Humidity |
|
62% |
|
60% |
|
60% |
|
+2% |
|
95% |
|
in |
2014 |
|
32% |
|
in |
1958 |
|
|
|
|
|
|
|
|
|
Average Humidity |
|
73% |
|
71% |
|
74% |
|
-2% |
|
98% |
|
in |
1972 |
|
47% |
|
in |
1992 |
|
|
|
|
|
|
|
|
|
Maximum Barometer |
|
29.75 |
|
30.14 |
|
30.10 |
|
-00.35 |
|
30.63 |
|
in |
1976 |
|
29.52 |
|
in |
1997 |
|
|
|
|
|
|
|
|
|
Minimum
Barometer |
|
29.51 |
|
29.90 |
|
29.76 |
|
-00.25 |
|
30.28 |
|
in |
2004 |
|
28.85 |
|
in |
1977 |
|
|
|
|
|
|
|
|
|
Average Barometer |
|
29.63 |
|
30.02 |
|
29.93 |
|
-00.30 |
|
30.46 |
|
in |
1976 |
|
29.19 |
|
in |
1977 |
|
|
|
|
|
|
|
|
|
Average Wind |
|
13.3 |
|
10.3 |
|
8.4 |
|
+4.9 |
|
20.7 |
|
in |
2003 |
|
2.0 |
|
in |
1974 |
|
|
|
|
|
|
|
|
|
Direction |
|
NW |
|
SSW |
|
NW |
|
|
|
NNE |
|
|
|
|
SW |
|
|
|
|
|
|
|
|
|
|
|
|
High Wind Gust |
|
37 |
|
33 |
|
27 |
|
+10 |
|
52 |
|
in |
1953 |
|
9 |
|
in |
1974 |
|
|
|
|
|
|
|
|
|
Direction |
|
NW |
|
NW |
|
NW |
|
|
|
SSW |
|
|
|
|
S |
|
|
|
|
|
|
|
|
|
|
|
|
High Heat Index |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Wind Chill |
|
20 |
|
21 |
|
22 |
|
-2 |
|
|
|
|
|
|
0 |
|
in |
1954 |
|
|
|
|
|
|
|
|
|
Maximum Water Temp |
|
49.8 |
|
44.1 |
|
48.1 |
|
+1.7 |
|
53.0 |
|
in |
2011 |
|
42.6 |
|
in |
2007 |
|
|
|
|
|
|
|
|
|
Minimum
Water Temp |
|
47.7 |
|
40.6 |
|
45.8 |
|
+1.9 |
|
51.8 |
|
in |
2011 |
|
40.6 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
Average Water Temp |
|
48.8 |
|
42.4 |
|
46.9 |
|
+1.8 |
|
52.4 |
|
in |
2011 |
|
41.7 |
|
in |
2007 |
|
|
|
|
|
|
|
|
|
Sunrise/ AM Twilight |
|
6:58:18 AM |
|
6:27:17 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Sunset /
PM Twilight |
|
4:15:24 PM |
|
4:46:25 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Length Of Day |
|
9:17:06 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Special Conditions |
|
None |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Comments |
|
|
|
|
|
|
|
|
|
|
|
|
|
December
6, 2020 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
Month-to-Date Summary |
|
Observed |
|
2019 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
Avg Maximum Temperature |
|
49.8 |
|
40.5 |
|
46.0 |
|
+3.8 |
|
59.2 |
|
in |
2001 |
|
33.0 |
|
in |
1904 |
|
|
|
|
|
|
|
|
|
Avg
Minimum Temperature |
|
37.3 |
|
27.8 |
|
32.3 |
|
+5.0 |
|
45.3 |
|
in |
2001 |
|
14.5 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
Average Temperature |
|
43.8 |
|
34.5 |
|
39.2 |
|
+4.7 |
|
52.7 |
|
in |
2001 |
|
24.8 |
|
in |
1976 |
|
|
|
|
|
|
|
|
|
Total
Precipitation |
|
2.53 |
|
.79 |
|
.90 |
|
+1.63 |
|
4.15 |
|
in |
1981 |
|
.00 |
|
in |
2000 |
|
|
|
|
|
|
|
|
|
Total Snow |
|
T |
|
4.2 |
|
1.1 |
|
-1.1 |
|
17.0 |
|
in |
1981 |
|
0.0 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
Total
HDD |
|
127 |
|
183 |
|
154 |
|
-27 |
|
241 |
|
in |
1976 |
|
74 |
|
in |
2001 |
|
|
|
|
|
|
|
|
|
Total CDD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
0 |
|
in |
|
|
|
|
in |
|
|
|
|
|
|
|
|
|
|
Avg Maximum Dew Point |
|
42.7 |
|
34.3 |
|
38.0 |
|
+4.7 |
|
52.7 |
|
in |
1982 |
|
16.0 |
|
in |
1976 |
|
|
|
|
|
|
|
|
|
Avg
Minimum Dew Point |
|
28.5 |
|
19.5 |
|
23.3 |
|
+5.2 |
|
39.8 |
|
in |
1982 |
|
-2.7 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
Average Dew Point |
|
35.8 |
|
27.2 |
|
30.6 |
|
+5.2 |
|
46.3 |
|
in |
1982 |
|
9.3 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
|
|
December 6, 2020 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
Year-to-Date Summary |
|
Observed |
|
2019 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
Total Precipitation |
|
39.41 |
|
50.29 |
|
44.88 |
|
-5.47 |
|
61.67 |
|
in |
1983 |
|
24.19 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
Total
Snow (since Jul 1 20) |
|
0.6 |
|
4.2 |
|
2.2 |
|
-1.6 |
|
19.5 |
|
in |
1898 |
|
0.0 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
Total HDD (since Jul 1
20) |
|
920 |
|
1173 |
|
1186 |
|
-266 |
|
1534 |
|
in |
1904 |
|
888 |
|
in |
2011 |
|
|
|
|
|
|
|
|
|
Total
CDD (since Jan 1) |
|
871 |
|
731 |
|
563 |
|
+308 |
|
871 |
|
in |
2020 |
|
290 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hour-by-Hour Weather For December 6, 2020 |
|
|
|
|
Climate Weather for December 6 |
|
|
|
|
Weather History For December 6 |
|
|
|
|
Weather Calendar |
|
|
|
Back To Weather Stat Page |
|
|
|
Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|