CLIMATE CHARTS
Napa State Hospital, California
Latitude: 38.2778 Longitude: -122.2647
Elevation: 35.1 feet (10.7 meters)
Monthly Data Table for Napa State Hospital, California
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
57.3 |
62.2 |
66.6 |
71.2 |
76.2 |
81.1 |
82.9 |
83.0 |
82.9 |
76.7 |
65.1 |
57.1 |
Minimum Temperature |
°F |
39.4 |
41.9 |
43.5 |
45.2 |
49.6 |
53.4 |
55.1 |
55.0 |
53.2 |
49.2 |
43.7 |
39.6 |
Heating Degree Days |
°F |
516 |
363 |
311 |
216 |
107 |
29 |
7 |
6 |
19 |
101 |
320 |
516 |
Cooling Degree Days |
°F |
0 |
0 |
2 |
12 |
42 |
97 |
131 |
130 |
110 |
37 |
2 |
0 |
Precipitation |
in. |
5.13 |
5.35 |
3.87 |
1.59 |
1.03 |
0.19 |
-77.77 |
0.09 |
0.30 |
1.48 |
3.45 |
5.23 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
14.1 |
16.8 |
19.2 |
21.8 |
24.6 |
27.3 |
28.3 |
28.3 |
28.3 |
24.8 |
18.4 |
13.9 |
Minimum Temperature |
°C |
4.1 |
5.5 |
6.4 |
7.3 |
9.8 |
11.9 |
12.8 |
12.8 |
11.8 |
9.6 |
6.5 |
4.2 |
Heating Degree Days |
°C |
287 |
202 |
173 |
120 |
59 |
16 |
4 |
3 |
11 |
56 |
178 |
287 |
Cooling Degree Days |
°C |
0 |
0 |
1 |
7 |
23 |
54 |
73 |
72 |
61 |
21 |
1 |
0 |
Precipitation |
cm. |
13.03 |
13.59 |
9.83 |
4.04 |
2.62 |
0.48 |
-197.54 |
0.23 |
0.76 |
3.76 |
8.76 |
13.28 |