| Portsmouth Rhode Island
Weather Almanac |
|
|
|
|
|
|
|
|
| Tuesday, December 22, 2020 |
|
|
|
|
|
|
|
|
| Cloudy, Light Fog and Haze early, Partly Cloudy Day to Mostly
Cloudy PM and Warmer |
|
|
|
|
|
|
|
|
| Climate
Normal Period |
|
Climate Record Period |
|
|
|
|
|
|
|
|
|
| 1981- 2010 |
|
1893 - 2020 |
|
|
|
|
|
|
|
|
|
| |
|
December
22, 2020 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
Observed |
|
2019 |
|
Normal |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Maximum Temperature |
|
44 |
|
44 |
|
40 |
|
+4 |
|
59 |
|
in |
2013 |
|
17 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Minimum
Temperature |
|
33 |
|
29 |
|
26 |
|
+7 |
|
53 |
|
in |
2015 |
|
4 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
39 |
|
37 |
|
33 |
|
+6 |
|
56 |
|
in |
2015 |
|
11 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Precipitation |
|
.00 |
|
.00 |
|
.13 |
|
-.13 |
|
1.49 |
|
in |
1969 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| One
Hour |
|
.00 |
|
.00 |
|
|
|
|
|
.48 |
|
in |
1984 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Snow |
|
0.0 |
|
0.0 |
|
0.3 |
|
-0.3 |
|
3.3 |
|
in |
1962 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Snow
Depth |
|
4 |
|
0 |
|
|
|
|
|
19 |
|
in |
2009 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| HDD |
|
26 |
|
28 |
|
32 |
|
-6 |
|
54 |
|
in |
1989 |
|
9 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| CDD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
0 |
|
in |
|
0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Maximum Dew Point |
|
34 |
|
34 |
|
32 |
|
+2 |
|
57 |
|
in |
2015 |
|
-5 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Minimum
Dew Point |
|
26 |
|
27 |
|
16 |
|
+10 |
|
50 |
|
in |
2015 |
|
-12 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
30 |
|
31 |
|
24 |
|
+6 |
|
54 |
|
in |
2015 |
|
-9 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Maximum Humidity |
|
90% |
|
93% |
|
84% |
|
+6% |
|
100% |
|
in |
2018 |
|
52% |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Minimum
Humidity |
|
60% |
|
63% |
|
56% |
|
+4% |
|
93% |
|
in |
1990 |
|
20% |
|
in |
1988 |
|
|
|
|
|
|
|
|
|
| Average Humidity |
|
75% |
|
78% |
|
70% |
|
+5% |
|
97% |
|
in |
1990 |
|
42% |
|
in |
1971 |
|
|
|
|
|
|
|
|
|
| Maximum Barometer |
|
30.06 |
|
30.43 |
|
30.18 |
|
-00.12 |
|
30.72 |
|
in |
1971 |
|
29.68 |
|
in |
2012 |
|
|
|
|
|
|
|
|
|
| Minimum
Barometer |
|
29.64 |
|
30.14 |
|
29.81 |
|
-00.17 |
|
30.47 |
|
in |
2007 |
|
28.97 |
|
in |
1969 |
|
|
|
|
|
|
|
|
|
| Average Barometer |
|
29.85 |
|
30.29 |
|
30.00 |
|
-00.15 |
|
30.56 |
|
in |
1980 |
|
29.38 |
|
in |
1969 |
|
|
|
|
|
|
|
|
|
| Average Wind |
|
7.4 |
|
4.8 |
|
8.5 |
|
-1.1 |
|
16.7 |
|
in |
1952 |
|
1.8 |
|
in |
1994 |
|
|
|
|
|
|
|
|
|
| Direction |
|
NW |
|
SW |
|
WNW |
|
|
|
N |
|
|
|
|
SSW |
|
|
|
|
|
|
|
|
|
|
|
|
| High Wind Gust |
|
30 |
|
20 |
|
27 |
|
+3 |
|
49 |
|
in |
2012 |
|
10 |
|
in |
1994 |
|
|
|
|
|
|
|
|
|
| Direction |
|
NW |
|
SSW |
|
WNW |
|
|
|
NNW |
|
|
|
|
SSW |
|
|
|
|
|
|
|
|
|
|
|
|
| High Heat Index |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Wind Chill |
|
30 |
|
26 |
|
17 |
|
+13 |
|
|
|
|
|
|
-16 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Maximum Water Temp |
|
44.4 |
|
40.4 |
|
44.4 |
|
-0.0 |
|
50.7 |
|
in |
2011 |
|
40.4 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| Minimum
Water Temp |
|
43.5 |
|
37.3 |
|
42.0 |
|
+1.5 |
|
49.5 |
|
in |
2011 |
|
37.3 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| Average Water Temp |
|
44.0 |
|
38.9 |
|
43.2 |
|
+0.7 |
|
50.1 |
|
in |
2011 |
|
38.9 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| Sunrise/ AM Twilight |
|
7:09:15 AM |
|
6:37:56 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Sunset /
PM Twilight |
|
4:19:45 PM |
|
4:51:04 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Length Of Day |
|
9:10:30 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Special Conditions |
|
Light Fog, Haze |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Comments |
|
|
|
|
|
|
|
|
|
|
|
| |
|
December
22, 2020 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Month-to-Date Summary |
|
Observed |
|
2019 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Avg Maximum Temperature |
|
42.4 |
|
41.1 |
|
43.2 |
|
-0.8 |
|
53.5 |
|
in |
2015 |
|
31.8 |
|
in |
1904 |
|
|
|
|
|
|
|
|
|
| Avg
Minimum Temperature |
|
31.0 |
|
27.9 |
|
29.5 |
|
+1.5 |
|
41.3 |
|
in |
2015 |
|
15.5 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
37.0 |
|
34.9 |
|
36.3 |
|
+0.6 |
|
47.7 |
|
in |
2015 |
|
24.0 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Total
Precipitation |
|
4.25 |
|
5.28 |
|
3.18 |
|
+1.07 |
|
9.27 |
|
in |
1936 |
|
.37 |
|
in |
1998 |
|
|
|
|
|
|
|
|
|
| Total Snow |
|
7.4 |
|
8.4 |
|
4.9 |
|
+2.5 |
|
21.3 |
|
in |
1981 |
|
0.0 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| Total
HDD |
|
617 |
|
663 |
|
625 |
|
-8 |
|
903 |
|
in |
1989 |
|
380 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| Total CDD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
0 |
|
in |
|
|
|
|
in |
|
|
|
|
|
|
|
|
|
|
| Avg Maximum Dew Point |
|
35.9 |
|
35.2 |
|
35.2 |
|
+0.7 |
|
48.2 |
|
in |
2015 |
|
16.7 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Avg
Minimum Dew Point |
|
23.6 |
|
20.3 |
|
20.0 |
|
+3.7 |
|
35.8 |
|
in |
2015 |
|
-1.0 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
30.0 |
|
28.1 |
|
27.6 |
|
+2.4 |
|
42.2 |
|
in |
2015 |
|
7.9 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| |
|
December 22, 2020 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Year-to-Date Summary |
|
Observed |
|
2019 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Total Precipitation |
|
41.13 |
|
54.78 |
|
47.16 |
|
-6.03 |
|
65.09 |
|
in |
1983 |
|
27.14 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
| Total
Snow (since Jul 1 20) |
|
8.0 |
|
8.4 |
|
6.0 |
|
+2.0 |
|
21.3 |
|
in |
1898 |
|
0.0 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| Total HDD (since Jul 1
20) |
|
1410 |
|
1653 |
|
1657 |
|
-247 |
|
2176 |
|
in |
1904 |
|
1175 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| Total
CDD (since Jan 1) |
|
871 |
|
731 |
|
563 |
|
+308 |
|
871 |
|
in |
2020 |
|
290 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hour-by-Hour Weather For December 22, 2020 |
|
|
|
|
| Climate Weather for December 22 |
|
|
|
|
| Weather History For December 22 |
|
|
|
|
| Weather Calendar |
|
|
|
| Back To Weather Stat Page |
|
|
|
| Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|