| Portsmouth Rhode Island
Weather Almanac |
|
|
|
|
|
|
|
|
| Wednesday, September 4, 2019 |
|
|
|
|
|
|
|
|
| Partly Cloudy (Dense Fog early) to Mostly Cloudy PM, Breezy,
Warm and Humid |
|
|
|
|
|
|
|
|
| Climate
Normal Period |
|
Climate Record Period |
|
|
|
|
|
|
|
|
|
| 1981- 2010 |
|
1893 - 2019 |
|
|
|
|
|
|
|
|
|
| |
|
September
4, 2019 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
Observed |
|
2018 |
|
Normal |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Maximum Temperature |
|
79 |
|
88 |
|
75 |
|
+4 |
|
89 |
|
in |
1937 |
|
63 |
|
in |
1997 |
|
|
|
|
|
|
|
|
|
| Minimum
Temperature |
|
63 |
|
71 |
|
60 |
|
+3 |
|
73 |
|
in |
1959 |
|
49 |
|
in |
1976 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
71 |
|
80 |
|
68 |
|
+3 |
|
80 |
|
in |
2018 |
|
58 |
|
in |
1997 |
|
|
|
|
|
|
|
|
|
| Precipitation |
|
.00 |
|
.00 |
|
.13 |
|
-.13 |
|
2.02 |
|
in |
1905 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| One
Hour |
|
.00 |
|
.00 |
|
|
|
|
|
.55 |
|
in |
1970 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Snow |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
0.0 |
|
in |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Snow Depth |
|
0 |
|
0 |
|
|
|
|
|
|
|
in |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| HDD |
|
0 |
|
0 |
|
1 |
|
-1 |
|
7 |
|
in |
1997 |
|
0 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| CDD |
|
6 |
|
15 |
|
4 |
|
+2 |
|
15 |
|
in |
2018 |
|
0 |
|
in |
1997 |
|
|
|
|
|
|
|
|
|
| Maximum Dew Point |
|
72 |
|
74 |
|
63 |
|
+9 |
|
75 |
|
in |
1993 |
|
48 |
|
in |
1997 |
|
|
|
|
|
|
|
|
|
| Minimum
Dew Point |
|
61 |
|
67 |
|
54 |
|
+7 |
|
68 |
|
in |
1961 |
|
40 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
67 |
|
71 |
|
59 |
|
+8 |
|
71 |
|
in |
2018 |
|
45 |
|
in |
1989 |
|
|
|
|
|
|
|
|
|
| Maximum Humidity |
|
96% |
|
97% |
|
92% |
|
+4% |
|
100% |
|
in |
2003 |
|
72% |
|
in |
1983 |
|
|
|
|
|
|
|
|
|
| Minimum
Humidity |
|
76% |
|
55% |
|
58% |
|
+18% |
|
93% |
|
in |
2003 |
|
34% |
|
in |
2007 |
|
|
|
|
|
|
|
|
|
| Average Humidity |
|
86% |
|
76% |
|
75% |
|
+11% |
|
97% |
|
in |
2003 |
|
59% |
|
in |
1983 |
|
|
|
|
|
|
|
|
|
| Maximum Barometer |
|
30.07 |
|
30.24 |
|
30.09 |
|
-00.02 |
|
30.63 |
|
in |
1989 |
|
29.70 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Minimum
Barometer |
|
29.88 |
|
30.16 |
|
29.89 |
|
-00.01 |
|
30.24 |
|
in |
1965 |
|
29.30 |
|
in |
2010 |
|
|
|
|
|
|
|
|
|
| Average Barometer |
|
29.98 |
|
30.20 |
|
29.99 |
|
-00.01 |
|
30.42 |
|
in |
1989 |
|
29.53 |
|
in |
2010 |
|
|
|
|
|
|
|
|
|
| Average Wind |
|
7.3 |
|
4.4 |
|
5.8 |
|
+1.5 |
|
12.1 |
|
in |
1972 |
|
1.3 |
|
in |
1969 |
|
|
|
|
|
|
|
|
|
| Direction |
|
SSW |
|
SE |
|
S |
|
|
|
WNW |
|
|
|
|
ESE |
|
|
|
|
|
|
|
|
|
|
|
|
| High Wind Gust |
|
24 |
|
14 |
|
21 |
|
+3 |
|
37 |
|
in |
1988 |
|
11 |
|
in |
1969 |
|
|
|
|
|
|
|
|
|
| Direction |
|
SSW |
|
SSE |
|
S |
|
|
|
SSE |
|
|
|
|
S |
|
|
|
|
|
|
|
|
|
|
|
|
| High
Heat Index |
|
83 |
|
94 |
|
78 |
|
+5 |
|
99 |
|
in |
1973 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Wind Chill |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Maximum Water Temp |
|
70.6 |
|
73.7 |
|
70.4 |
|
+0.2 |
|
73.7 |
|
in |
2018 |
|
65.7 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
| Minimum
Water Temp |
|
68.7 |
|
71.4 |
|
67.9 |
|
+0.8 |
|
71.4 |
|
in |
2018 |
|
63.4 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
| Average Water Temp |
|
69.7 |
|
72.6 |
|
69.2 |
|
+0.5 |
|
72.6 |
|
in |
2018 |
|
64.6 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
| Sunrise/ AM Twilight |
|
6:15:18 AM |
|
5:47:09 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Sunset /
PM Twilight |
|
7:12:41 PM |
|
7:40:51 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Length Of Day |
|
12:57:23 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Special Conditions |
|
Dense Fog |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Comments |
|
|
|
|
|
|
|
|
|
|
|
| |
|
September
4, 2019 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Month-to-Date Summary |
|
Observed |
|
2018 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Avg Maximum Temperature |
|
77.8 |
|
81.3 |
|
75.5 |
|
+2.3 |
|
89.0 |
|
in |
1929 |
|
67.3 |
|
in |
2003 |
|
|
|
|
|
|
|
|
|
| Avg
Minimum Temperature |
|
60.5 |
|
65.3 |
|
60.5 |
|
+0.0 |
|
72.5 |
|
in |
1959 |
|
51.5 |
|
in |
1967 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
69.1 |
|
73.3 |
|
68.0 |
|
+1.1 |
|
78.9 |
|
in |
1898 |
|
60.6 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
| Total
Precipitation |
|
.00 |
|
.00 |
|
.52 |
|
-.52 |
|
4.15 |
|
in |
1905 |
|
.00 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
| Total Snow |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
0.0 |
|
in |
|
|
0.0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Total
HDD |
|
0 |
|
0 |
|
4 |
|
-4 |
|
18 |
|
in |
2017 |
|
0 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| Total CDD |
|
17 |
|
34 |
|
16 |
|
+1 |
|
57 |
|
in |
1898 |
|
0 |
|
in |
1986 |
|
|
|
|
|
|
|
|
|
| Avg Maximum Dew Point |
|
67.5 |
|
61.5 |
|
63.6 |
|
+3.9 |
|
74.3 |
|
in |
1959 |
|
54.3 |
|
in |
1975 |
|
|
|
|
|
|
|
|
|
| Avg
Minimum Dew Point |
|
58.0 |
|
50.5 |
|
54.5 |
|
+3.5 |
|
70.5 |
|
in |
1959 |
|
41.8 |
|
in |
1967 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
62.8 |
|
56.3 |
|
59.1 |
|
+3.7 |
|
72.4 |
|
in |
1959 |
|
48.6 |
|
in |
1967 |
|
|
|
|
|
|
|
|
|
| |
|
September 4, 2019 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Year-to-Date Summary |
|
Observed |
|
2018 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Total Precipitation |
|
37.83 |
|
28.84 |
|
32.01 |
|
+5.82 |
|
45.30 |
|
in |
1998 |
|
16.55 |
|
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) |
|
3 |
|
0 |
|
13 |
|
-10 |
|
42 |
|
in |
1905 |
|
0 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
| Total
CDD (since Jan 1) |
|
675 |
|
682 |
|
514 |
|
+161 |
|
739 |
|
in |
2010 |
|
272 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hour-by-Hour Weather For September 4, 2019 |
|
|
|
| Climate Weather for September 4 |
|
|
|
| Weather History For September 4 |
|
|
|
| Weather Calendar |
|
|
|
| Back To Weather Stat Page |
|
|
|
| Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|