| Portsmouth Rhode Island Weather Almanac |
|
|
|
|
|
|
|
|
|
| Monday,
December 12, 2022 |
|
|
|
|
|
|
|
|
|
| Cloudy,
Light Snow/Fog early, Partly Cloudy Day to Clear PM, Windy and Colder |
|
|
|
|
|
|
|
|
|
| |
|
Climate
Normal Period |
Climate Record Period |
|
|
|
|
|
|
|
|
| |
|
1991 -
2020 |
1893 - 2022 |
|
|
|
|
|
|
|
|
| |
|
December 12, 2022 |
|
Record |
|
Record |
|
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
2022 |
|
2021 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
|
|
|
|
|
|
|
| Maximum Temperature |
|
32 |
|
58 |
|
44 |
|
-12 |
|
62 |
|
in |
2015 |
|
17 |
|
in |
1905 |
|
|
|
|
|
|
|
|
|
| Minimum
Temperature |
|
26 |
|
38 |
|
31 |
|
-5 |
|
49 |
|
in |
2015 |
|
3 |
|
in |
1988 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
29 |
|
48 |
|
37 |
|
-8 |
|
56 |
|
in |
2015 |
|
12 |
|
in |
1988 |
|
|
|
|
|
|
|
|
|
| Month Avg Max Temperature |
|
46.1 |
|
49.2 |
|
45.3 |
|
+0.8 |
|
54.6 |
|
in |
1953 |
|
30.8 |
|
in |
1904 |
|
|
|
|
|
|
|
|
|
| Month Avg
Min Temperature |
|
34.7 |
|
34.6 |
|
32.3 |
|
+2.3 |
|
40.7 |
|
in |
2015 |
|
16.4 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Month Average
Temperature |
|
40.6 |
|
42.1 |
|
38.8 |
|
+1.8 |
|
47.5 |
|
in |
2015 |
|
25.5 |
|
in |
1904 |
|
|
|
|
|
|
|
|
|
| High Heat Index |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Low Wind
Chill |
|
14 |
|
34 |
|
20 |
|
-6 |
|
|
|
|
|
|
-12 |
|
in |
1988 |
|
|
|
|
|
|
|
|
|
| Heating Degree Days |
|
36 |
|
17 |
|
27 |
|
+9 |
|
53 |
|
in |
1988 |
|
9 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| Month HDD |
|
293 |
|
275 |
|
314 |
|
-21 |
|
474 |
|
in |
1904 |
|
210 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| Season
HDD |
|
1114 |
|
1069 |
|
1304 |
|
-190 |
|
1786 |
|
in |
1904 |
|
1005 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| Cooling Degree Days |
|
0 |
|
0 |
|
#REF! |
|
#REF! |
|
0 |
|
in |
2022 |
|
0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Month CDD |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
in |
|
|
|
|
|
|
|
|
|
|
| Year CDD |
|
777 |
|
795 |
|
609 |
|
+168 |
|
871 |
|
in |
2020 |
|
290 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
| Maximum Dew Point |
|
31 |
|
56 |
|
37 |
|
-6 |
|
59 |
|
in |
2008 |
|
2 |
|
in |
1988 |
|
|
|
|
|
|
|
|
|
| Minimum
Dew Point |
|
13 |
|
22 |
|
22 |
|
-9 |
|
44 |
|
in |
2020 |
|
-15 |
|
in |
1988 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
22 |
|
39 |
|
29 |
|
-7 |
|
50 |
|
in |
2020 |
|
-7 |
|
in |
1988 |
|
|
|
|
|
|
|
|
|
| Month Avg Max Dew Point |
|
41.3 |
|
42.8 |
|
36.8 |
|
+4.4 |
|
47.4 |
|
in |
2015 |
|
19.6 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Month Avg
Min Dew Point |
|
25.8 |
|
24.1 |
|
21.9 |
|
+3.9 |
|
36.8 |
|
in |
2015 |
|
-0.5 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Month Average Dew Point |
|
33.8 |
|
33.7 |
|
29.4 |
|
+4.4 |
|
42.3 |
|
in |
2015 |
|
9.5 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Precipitation |
|
.02 |
|
.04 |
|
.15 |
|
-.13 |
|
1.46 |
|
in |
2008 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| One Hour |
|
.00 |
|
.03 |
|
|
|
|
|
.42 |
|
in |
2008 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hourly Rate |
|
.00 |
|
.12 |
|
|
|
|
|
1.90 |
|
in |
2008 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Month Precipitation |
|
1.96 |
|
.68 |
|
1.81 |
|
+.15 |
|
6.47 |
|
in |
1936 |
|
T |
|
in |
1988 |
|
|
|
|
|
|
|
|
|
| Year Precipitation |
|
39.77 |
|
46.26 |
|
43.24 |
|
-3.47 |
|
62.00 |
|
in |
1983 |
|
26.39 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
| Snow |
|
0.1 |
|
0.0 |
|
0.2 |
|
-0.1 |
|
6.1 |
|
in |
1960 |
|
|
|
in |
|
|
|
|
|
|
|
|
|
|
| Snow Depth |
|
1 |
|
0 |
|
|
|
|
|
8 |
|
in |
1981 |
|
|
|
in |
|
|
|
|
|
|
|
|
|
|
| Month Snow |
|
1.5 |
|
0.2 |
|
2.0 |
|
-0.5 |
|
17.0 |
|
in |
1981 |
|
0.0 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| Season Snow |
|
1.5 |
|
0.2 |
|
2.6 |
|
-1.1 |
|
20.5 |
|
in |
1898 |
|
0.0 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| |
|
December 12, 2022 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
2022 |
|
2021 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Maximum Humidity |
|
99% |
|
96% |
|
89% |
|
+10% |
|
100% |
|
in |
2020 |
|
50% |
|
in |
1975 |
|
|
|
|
|
|
|
|
|
| Minimum
Humidity |
|
53% |
|
42% |
|
58% |
|
-5% |
|
95% |
|
in |
1949 |
|
28% |
|
in |
1977 |
|
|
|
|
|
|
|
|
|
| Average Humidity |
|
76% |
|
69% |
|
74% |
|
+2% |
|
98% |
|
in |
1949 |
|
40% |
|
in |
1975 |
|
|
|
|
|
|
|
|
|
| Maximum Barometer |
|
30.17 |
|
30.19 |
|
30.17 |
|
+00.00 |
|
30.72 |
|
in |
2019 |
|
29.47 |
|
in |
1951 |
|
|
|
|
|
|
|
|
|
| Minimum
Barometer |
|
30.04 |
|
29.54 |
|
29.82 |
|
+00.22 |
|
30.50 |
|
in |
2006 |
|
28.95 |
|
in |
1944 |
|
|
|
|
|
|
|
|
|
| Average Barometer |
|
30.11 |
|
29.87 |
|
30.00 |
|
+00.11 |
|
30.57 |
|
in |
2006 |
|
29.40 |
|
in |
1951 |
|
|
|
|
|
|
|
|
|
| Average
Wind |
|
10.7 |
|
10.6 |
|
8.0 |
|
+2.7 |
|
24.4 |
|
in |
1960 |
|
1.0 |
|
in |
1997 |
|
|
|
|
|
|
|
|
|
| Direction |
|
N |
|
WNW |
|
WNW |
|
|
|
N |
WNW |
|
|
|
|
|
|
|
|
| High
Wind Gust |
|
24 |
|
34 |
|
25 |
|
-1 |
|
59 |
|
in |
1960 |
|
6 |
|
in |
1997 |
|
|
|
|
|
|
|
|
|
| Direction |
|
NNW |
|
WNW |
|
W |
|
|
|
N |
WNW |
|
|
|
|
|
|
|
|
| Maximum Water Temp |
|
46.2 |
|
50.7 |
|
47.0 |
|
-0.8 |
|
52.3 |
|
in |
2011 |
|
42.2 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| Minimum
Water Temp |
|
44.8 |
|
48.9 |
|
44.6 |
|
+0.2 |
|
50.4 |
|
in |
2015 |
|
39.9 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| Average Water Temp |
|
45.5 |
|
49.8 |
|
45.8 |
|
-0.3 |
|
50.7 |
|
in |
2015 |
|
41.1 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| Sunrise/ AM Twilight |
|
7:02:21 AM |
|
6:32:54 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Sunset /
PM Twilight |
|
4:15:11 PM |
|
4:44:53 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Length Of Day |
|
9:12:50 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Special Conditions |
|
Fog |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Comments |
|
Abnormally Dry |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hour-by-Hour Weather For December 12, 2022 |
|
|
|
|
|
|
|
|
|
| Climate Weather for December 12 |
|
|
|
|
|
|
|
|
|
| Weather History For December 12 |
|
|
|
|
|
|
|
|
|
| Weather Calendar |
|
|
|
|
|
|
|
|
|
| Back
To Weather Stat Page |
|
|
|
|
|
|
|
|
|
| Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|