Portsmouth Rhode Island Weather Almanac |
|
|
|
|
|
|
|
|
|
Friday, December
29, 2023 |
|
|
|
|
|
|
|
|
|
Cloudy, Light
Rain and Fog, Mostly Cloudy PM, Light Winds, Continued Warm |
|
|
|
|
|
|
|
|
|
|
|
Climate
Normal Period |
Climate Record Period |
|
|
|
|
|
|
|
|
|
|
1991 - 2020 |
1893 - 2023 |
|
|
|
|
|
|
|
|
|
|
December 29, 2023 |
|
Record |
|
Record |
|
|
|
|
|
|
|
|
|
Observed Daily Data |
|
2023 |
|
2022 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
|
|
|
|
|
|
|
Maximum Temperature |
|
45 |
|
50 |
|
40 |
|
+5 |
|
58 |
|
in |
1984 |
|
14 |
|
in |
1917 |
|
|
|
|
|
|
|
|
|
Minimum
Temperature |
|
41 |
|
38 |
|
27 |
|
+14 |
|
47 |
|
in |
1984 |
|
-8 |
|
in |
1917 |
|
|
|
|
|
|
|
|
|
Average Temperature |
|
43 |
|
44 |
|
34 |
|
+9 |
|
53 |
|
in |
1984 |
|
3 |
|
in |
1917 |
|
|
|
|
|
|
|
|
|
Month Avg Max Temperature |
|
47.2 |
|
42.2 |
|
43.4 |
|
+3.8 |
|
54.3 |
|
in |
2015 |
|
30.3 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
Month Avg
Min Temperature |
|
35.1 |
|
29.5 |
|
30.2 |
|
+4.8 |
|
41.9 |
|
in |
2015 |
|
14.1 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
Month Average Temperature |
|
41.4 |
|
36.1 |
|
36.8 |
|
+4.6 |
|
48.4 |
|
in |
2015 |
|
22.4 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
High Heat Index |
|
|
|
|
|
|
|
|
|
#N/A |
|
in |
#N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Low Wind
Chill |
|
35 |
|
34 |
|
17 |
|
+18 |
|
|
|
|
|
|
-23 |
|
in |
1917 |
|
|
|
|
|
|
|
|
|
Heating Degree Days |
|
22 |
|
21 |
|
31 |
|
-9 |
|
62 |
|
in |
1917 |
|
12 |
|
in |
1984 |
|
|
|
|
|
|
|
|
|
Month Heating DD |
|
685 |
|
839 |
|
816 |
|
-131 |
|
1234 |
|
in |
1989 |
|
480 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
Season
Heating DD |
|
1626 |
|
1660 |
|
1806 |
|
-180 |
|
2412 |
|
in |
1904 |
|
1275 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
Cooling Degree Days |
|
0 |
|
0 |
|
0 |
|
+0 |
|
|
|
in |
|
|
0 |
|
in |
Many |
|
|
|
|
|
|
|
|
|
Month Cooling DD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
3 |
|
in |
2022 |
|
0 |
|
in |
Many |
|
|
|
|
|
|
|
|
|
Year Cooling DD |
|
726 |
|
784 |
|
609 |
|
+117 |
|
871 |
|
in |
2020 |
|
290 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
Maximum Dew Point |
|
45 |
|
39 |
|
33 |
|
+12 |
|
53 |
|
in |
2018 |
|
2 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
Minimum Dew
Point |
|
40 |
|
30 |
|
17 |
|
+23 |
|
45 |
|
in |
1984 |
|
-9 |
|
in |
1993 |
|
|
|
|
|
|
|
|
|
Average Dew Point |
|
43 |
|
35 |
|
25 |
|
+18 |
|
48 |
|
in |
2005 |
|
-1 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
Month Avg Max Dew Point |
|
40.8 |
|
35.0 |
|
34.2 |
|
+6.6 |
|
49.6 |
|
in |
2015 |
|
15.2 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
Month Avg
Min Dew Point |
|
29.6 |
|
21.4 |
|
18.7 |
|
+10.9 |
|
36.3 |
|
in |
2015 |
|
-1.2 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
Month Average Dew Point |
|
35.5 |
|
28.5 |
|
26.5 |
|
+9.1 |
|
43.2 |
|
in |
2015 |
|
7.0 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
Precipitation |
|
.15 |
|
.00 |
|
.13 |
|
+.02 |
|
1.89 |
|
in |
1901 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
One Hour
Rain |
|
.06 |
|
.00 |
|
|
|
|
|
.35 |
|
in |
2013 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Half Hour
Rain |
|
.04 |
|
.00 |
|
|
|
|
|
.19 |
|
in |
2013 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hourly Rain Rate |
|
.09 |
|
.00 |
|
|
|
|
|
1.92 |
|
in |
2005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Month Precipitation |
|
5.74 |
|
4.66 |
|
4.27 |
|
+1.47 |
|
9.28 |
|
in |
1936 |
|
.58 |
|
in |
1955 |
|
|
|
|
|
|
|
|
|
Year Precipitation |
|
54.79 |
|
42.47 |
|
45.70 |
|
+9.09 |
|
65.49 |
|
in |
1983 |
|
27.66 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
Snow |
|
0.0 |
|
0.0 |
|
0.3 |
|
-0.3 |
|
8.3 |
|
in |
1945 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Snow Depth |
|
0 |
|
0 |
|
1 |
|
-1 |
|
15 |
|
in |
1947 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Month Snow |
|
0.1 |
|
1.5 |
|
5.9 |
|
-5.8 |
|
21.7 |
|
in |
1981 |
|
T |
|
in |
2011 |
|
|
|
|
|
|
|
|
|
Season Snow |
|
0.1 |
|
0.1 |
|
6.5 |
|
+6.5 |
|
22.9 |
|
in |
1904 |
|
T |
|
in |
1999 |
|
|
|
|
|
|
|
|
|
|
|
December 29, 2023 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
Observed Daily Data |
|
2023 |
|
2022 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
Maximum Humidity |
|
99% |
|
91% |
|
86% |
|
+13% |
|
100% |
|
in |
2018 |
|
54% |
|
in |
1952 |
|
|
|
|
|
|
|
|
|
Minimum
Humidity |
|
96% |
|
61% |
|
57% |
|
+39% |
|
96% |
|
in |
2023 |
|
17% |
|
in |
1994 |
|
|
|
|
|
|
|
|
|
Average Humidity |
|
98% |
|
76% |
|
72% |
|
+26% |
|
98% |
|
in |
2023 |
|
39% |
|
in |
1949 |
|
|
|
|
|
|
|
|
|
Maximum Barometer |
|
29.68 |
|
30.34 |
|
30.14 |
|
-00.46 |
|
30.82 |
|
in |
1933 |
|
29.49 |
|
in |
1976 |
|
|
|
|
|
|
|
|
|
Minimum
Barometer |
|
29.58 |
|
30.23 |
|
29.76 |
|
-00.18 |
|
30.43 |
|
in |
2006 |
|
28.86 |
|
in |
1956 |
|
|
|
|
|
|
|
|
|
Average Barometer |
|
29.63 |
|
30.29 |
|
29.95 |
|
-00.32 |
|
30.57 |
|
in |
2006 |
|
29.34 |
|
in |
1976 |
|
|
|
|
|
|
|
|
|
Average
Wind |
|
4.9 |
|
6.3 |
|
7.9 |
|
-3.0 |
|
17.9 |
|
in |
2009 |
|
1.5 |
|
in |
1992 |
|
|
|
|
|
|
|
|
|
Direction |
|
SW |
|
WSW |
|
WNW |
|
|
|
NW |
NNE |
|
|
|
|
|
|
|
|
High Wind
Gust |
|
18 |
|
23 |
|
26 |
|
-8 |
|
47 |
|
in |
2009 |
|
7 |
|
in |
1992 |
|
|
|
|
|
|
|
|
|
Direction |
|
WSW |
|
SSW |
|
NW |
|
|
|
NW |
NW |
|
|
|
|
|
|
|
|
Maximum Water Temp |
|
47.8 |
|
42.6 |
|
43.9 |
|
+3.9 |
|
49.0 |
|
in |
2006 |
|
39.0 |
|
in |
2010 |
|
|
|
|
|
|
|
|
|
Minimum
Water Temp |
|
47.1 |
|
41.0 |
|
41.3 |
|
+5.8 |
|
47.1 |
|
in |
2023 |
|
#N/A |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
Average Water Temp |
|
47.5 |
|
41.8 |
|
42.6 |
|
+4.8 |
|
47.5 |
|
in |
2023 |
|
37.2 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
Sunrise/ AM Twilight |
|
7:11:08 AM |
|
6:41:35 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Sunset / PM
Twilight |
|
4:23:03 PM |
|
4:53:05 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Length Of Day |
|
9:11:55 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Special Conditions |
|
Dense Fog |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Comments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hour-by-Hour Weather For December 29, 2023 |
|
|
|
|
|
|
|
|
|
Climate Weather for December 29 |
|
|
|
|
|
|
|
|
|
Weather History For December 29 |
|
|
|
|
|
|
|
|
|
Weather Calendar |
|
|
|
|
|
|
|
|
Back To Weather Stat Page |
|
|
|
|
|
|
|
|
Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|