San Jose Weather Station*
Substation of the National Weather Service
Office of Emergency Services
OCTOBER 1999          
Date Maximum Temperature Minimum Temperature Mean Temperature Heating Degree Days (Base 65) Cooling Degree Days (Base 65) Precipitation
(4 p.m. - 4 p.m.)
1 85 63 74.0 0 9 0.00
2 72 51 61.5 4 0 0.00
3 72 54 63.0 2 0 0.00
4 70 57 63.5 2 0 0.00
5 75 54 64.5 1 0 0.00
6 73 59 66.0 0 1 0.00
7 80 53 66.5 0 2 0.00
8 87 53 70.0 0 5 0.00
9 87 55 71.0 0 6 0.00
10 91 57 74.0 0 9 0.00
11 80 55 67.5 0 3 0.00
12 81 55 68.0 0 3 0.00
13 83 57 70.0 0 5 0.00
14 80 59 69.5 0 5 0.00
15 82 55 68.5 0 4 0.00
16 85 52 68.5 0 4 0.00
17 83 52 67.5 0 3 0.00
18 77 51 64.0 1 0 0.00
19 76 50 63.0 2 0 0.00
20 82 51 66.5 0 2 0.00
21 82 53 67.5 0 3 0.00
22 78 53 65.5 0 1 0.00
23 66 53 59.5 6 0 0.00
24 70 48 59.0 6 0 0.00
25 71 50 60.5 5 0 0.00
26 69 48 58.5 7 0 0.00
27 79 55 67.0 0 2 0.00
28 66 55 60.5 5 0 0.08
29 70 46 58.0 7 0 0.00
30 75 45 60.0 5 0 0.00
31 74 46 60.0 5 0 0.00
Avg 77.5 53.1 65.3 55 63 0.08
Normal 74.5 51.6 63.1 91 32 0.90
Dep. Fm Normal 3.0 1.5 2.2 -36 31 -0.82
             
T indicates Trace      

* Based on Preliminary Data