| Portsmouth Rhode Island
Weather Almanac |
|
|
|
|
|
|
|
|
| Saturday, September 28, 2019 |
|
|
|
|
|
|
|
|
| Clear to Mostly Cloudy PM, Breezy and Warmer |
|
|
|
|
|
|
|
|
| Climate
Normal Period |
|
Climate Record Period |
|
|
|
|
|
|
|
|
|
| 1981- 2010 |
|
1893 - 2019 |
|
|
|
|
|
|
|
|
|
| |
|
September
28, 2019 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
Observed |
|
2018 |
|
Normal |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Maximum Temperature |
|
74 |
|
60 |
|
68 |
|
+6 |
|
80 |
|
in |
2017 |
|
55 |
|
in |
1914 |
|
|
|
|
|
|
|
|
|
| Minimum
Temperature |
|
58 |
|
55 |
|
52 |
|
+6 |
|
67 |
|
in |
2010 |
|
35 |
|
in |
1980 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
66 |
|
58 |
|
60 |
|
+6 |
|
71 |
|
in |
1961 |
|
46 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
| Precipitation |
|
.00 |
|
1.40 |
|
.13 |
|
-.13 |
|
1.85 |
|
in |
1958 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| One
Hour |
|
.00 |
|
.73 |
|
|
|
|
|
.73 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Snow |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
0.0 |
|
in |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Snow Depth |
|
0 |
|
0 |
|
|
|
|
|
|
|
in |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| HDD |
|
0 |
|
7 |
|
5 |
|
-5 |
|
19 |
|
in |
1965 |
|
0 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| CDD |
|
1 |
|
0 |
|
1 |
|
+0 |
|
6 |
|
in |
1961 |
|
0 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
| Maximum Dew Point |
|
66 |
|
58 |
|
57 |
|
+9 |
|
72 |
|
in |
2017 |
|
31 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Minimum
Dew Point |
|
56 |
|
53 |
|
48 |
|
+9 |
|
66 |
|
in |
2010 |
|
22 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
61 |
|
56 |
|
52 |
|
+9 |
|
68 |
|
in |
2010 |
|
27 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Maximum Humidity |
|
92% |
|
97% |
|
93% |
|
-1% |
|
100% |
|
in |
2017 |
|
59% |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Minimum
Humidity |
|
67% |
|
83% |
|
59% |
|
+9% |
|
96% |
|
in |
2004 |
|
24% |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Average Humidity |
|
80% |
|
90% |
|
76% |
|
+4% |
|
98% |
|
in |
2004 |
|
42% |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Maximum Barometer |
|
30.17 |
|
30.11 |
|
30.12 |
|
+00.05 |
|
30.46 |
|
in |
1985 |
|
29.62 |
|
in |
2009 |
|
|
|
|
|
|
|
|
|
| Minimum
Barometer |
|
30.08 |
|
30.01 |
|
29.88 |
|
+00.20 |
|
30.28 |
|
in |
1950 |
|
29.45 |
|
in |
2009 |
|
|
|
|
|
|
|
|
|
| Average Barometer |
|
30.13 |
|
30.06 |
|
30.00 |
|
+00.12 |
|
30.35 |
|
in |
1950 |
|
29.54 |
|
in |
2009 |
|
|
|
|
|
|
|
|
|
| Average Wind |
|
8.5 |
|
6.8 |
|
6.5 |
|
+2.0 |
|
14.3 |
|
in |
1956 |
|
0.9 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
| Direction |
|
S |
|
NNE |
|
S |
|
|
|
NNE |
|
|
|
|
NNW |
|
|
|
|
|
|
|
|
|
|
|
|
| High Wind Gust |
|
24 |
|
20 |
|
23 |
|
+1 |
|
44 |
|
in |
1985 |
|
10 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| Direction |
|
S |
|
N |
|
S |
|
|
|
SW |
|
|
|
|
SE |
|
|
|
|
|
|
|
|
|
|
|
|
| High
Heat Index |
|
76 |
|
60 |
|
69 |
|
+7 |
|
81 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Wind Chill |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Maximum Water Temp |
|
67.5 |
|
66.6 |
|
66.8 |
|
+0.8 |
|
69.3 |
|
in |
2005 |
|
62.9 |
|
in |
2010 |
|
|
|
|
|
|
|
|
|
| Minimum
Water Temp |
|
66.1 |
|
65.1 |
|
64.9 |
|
+1.2 |
|
67.6 |
|
in |
2003 |
|
61.1 |
|
in |
2010 |
|
|
|
|
|
|
|
|
|
| Average Water Temp |
|
66.8 |
|
65.9 |
|
65.8 |
|
+1.0 |
|
68.4 |
|
in |
2003 |
|
62.0 |
|
in |
2010 |
|
|
|
|
|
|
|
|
|
| Sunrise/ AM Twilight |
|
6:39:45 AM |
|
6:12:14 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Sunset /
PM Twilight |
|
6:31:29 PM |
|
6:58:59 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Length Of Day |
|
11:51:44 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Special Conditions |
|
None |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Comments |
|
|
|
|
|
|
|
|
|
|
|
| |
|
September
28, 2019 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Month-to-Date Summary |
|
Observed |
|
2018 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Avg Maximum Temperature |
|
74.8 |
|
73.2 |
|
72.1 |
|
+2.7 |
|
78.6 |
|
in |
1961 |
|
67.8 |
|
in |
1963 |
|
|
|
|
|
|
|
|
|
| Avg
Minimum Temperature |
|
56.9 |
|
61.3 |
|
56.8 |
|
+0.1 |
|
63.3 |
|
in |
1961 |
|
52.0 |
|
in |
1956 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
65.8 |
|
67.2 |
|
64.4 |
|
+1.4 |
|
70.9 |
|
in |
1961 |
|
60.3 |
|
in |
1963 |
|
|
|
|
|
|
|
|
|
| Total
Precipitation |
|
1.57 |
|
6.49 |
|
3.64 |
|
-2.07 |
|
10.67 |
|
in |
1961 |
|
.31 |
|
in |
1959 |
|
|
|
|
|
|
|
|
|
| Total Snow |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
0.0 |
|
in |
|
|
0.0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Total
HDD |
|
35 |
|
41 |
|
68 |
|
-33 |
|
167 |
|
in |
1956 |
|
7 |
|
in |
1930 |
|
|
|
|
|
|
|
|
|
| Total CDD |
|
64 |
|
110 |
|
58 |
|
+6 |
|
186 |
|
in |
1961 |
|
7 |
|
in |
1893 |
|
|
|
|
|
|
|
|
|
| Avg Maximum Dew Point |
|
63.2 |
|
62.1 |
|
60.4 |
|
+2.9 |
|
66.6 |
|
in |
1961 |
|
54.8 |
|
in |
1966 |
|
|
|
|
|
|
|
|
|
| Avg
Minimum Dew Point |
|
52.9 |
|
50.8 |
|
51.2 |
|
+1.7 |
|
58.1 |
|
in |
1961 |
|
44.3 |
|
in |
1984 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
58.1 |
|
56.7 |
|
55.8 |
|
+2.3 |
|
62.4 |
|
in |
1961 |
|
49.8 |
|
in |
1984 |
|
|
|
|
|
|
|
|
|
| |
|
September 28, 2019 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Year-to-Date Summary |
|
Observed |
|
2018 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Total Precipitation |
|
39.40 |
|
35.33 |
|
35.13 |
|
+4.27 |
|
48.49 |
|
in |
1998 |
|
17.64 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Total
Snow (since Jul 1 19) |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
0.0 |
|
in |
|
|
0.0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Total HDD (since Jul 1
19) |
|
38 |
|
41 |
|
77 |
|
-39 |
|
198 |
|
in |
1956 |
|
12 |
|
in |
1930 |
|
|
|
|
|
|
|
|
|
| Total
CDD (since Jan 1) |
|
722 |
|
758 |
|
556 |
|
+166 |
|
797 |
|
in |
2016 |
|
287 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hour-by-Hour Weather For September 28, 2019 |
|
|
|
| Climate Weather for September 28 |
|
|
|
| Weather History For September 28 |
|
|
|
| Weather Calendar |
|
|
|
| Back To Weather Stat Page |
|
|
|
| Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|