San Jose Weather Station
Substation of the National Weather Service
Office of Emergency Services
Monthly Meteorological Summary
October 1997

  Temperatures (F)   Moisture Wind
Date Maximum Minimum Range Mean Normal Mean Departure from Normal Heating Degree Days (Base 65o) Cooling Degree Days (Base 65o) Atmospheric Pressure (inches)* Dewpoint* Relative Humidity* Precipitation (Midnight - Midnight) Miles/Direction* (FAA Tower Recording)
1 83 58 25 71 66 5 0 6 29.84 55 43 0.00 14 SSW
2 74 58 16 66 66 0 0 1 29.97 54 54 0.14 10 WNW
3 79 55 24 67 66 1 0 2 29.94 50 40 0.00 11 NW
4 78 62 16 70 66 4 0 5 29.99 52 47 0.00 10 NNW
5 77 54 23 66 66 0 0 1 29.86 47 38 0.00 10 NW
6 68 54 14 61 65 -4 4 0 29.85 45 48 0.00 18 W
7 70 54 16 62 65 -3 3 0 29.88 39 33 0.00 15 NW
8 73 49 24 61 65 -4 4 0 29.96 48 47 0.00 Calm
9 66 55 11 61 65 -4 4 0 29.96 57 75 0.41 4 Variable
10 62 49 13 56 65 -9 9 0 29.89 52 73 0.13 3 Variable
11 67 48 19 58 64 -6 7 0 30.11 34 30 0.00 14 NW
12 71 46 25 59 64 -5 6 0 30.01 50 47 0.00 6 NW
13 78 49 29 64 64 0 1 0 30.11 38 23 0.00 7 WSW
14 82 48 34 65 64 1 0 0 30.07 48 33 0.00 6 NW
15 86 53 33 70 63 7 0 5 30.03 45 26 0.00 6 NW
16 88 55 33 72 63 9 0 7 29.97 52 34 0.00 8 NW
17 81 55 26 68 63 5 0 3 29.96 55 45 0.00 10 NNW
18 76 54 22 65 63 2 0 0 29.92 58 55 0.00 8 NNW
19 71 56 15 64 63 1 1 0 29.99 48 54 0.00 7 NNW
20 70 49 21 60 62 -2 5 0 30.01 50 51 0.00 6 WNW
21 71 54 17 63 62 1 2 0 30.02 46 42 0.00 6 WNW
22 69 55 14 62 62 0 3 0 30.02 54 62 0.00 6 NW
23 70 53 17 62 61 1 3 0 29.94 52 56 0.00 10 NNW
24 71 49 22 60 61 -1 5 0 29.91 25 18 0.00 11 NNW
25 72 48 24 60 61 -1 5 0 30.10 32 23 0.00 10 NW
26 76 47 29 62 61 1 3 0 30.11 32 22 0.00 9 NW
27 72 49 23 61 60 1 4 0 29.91 45 39 0.00 4 WNW
28 71 47 24 59 60 -1 6 0 30.03 48 51 0.00 11 NW
29 71 47 24 59 60 -1 6 0 30.13 43 37 0.00 7 NW
30 72 59 13 66 60 6 0 1 30.22 57 62 0.00 10 NNW
31 73 60 13 67 60 7 0 2 30.20 61 70 0.01 8 NNW
                           
(SUM)AVE 74 53 21 63 63 0 (81) (33) 30.00 47 44 (0.69) ---
NORMAL 75 52 23 63 63 --- (91) (32) 29.99 --- 55 (0.90) ---

T = Trace     + = Other Dates     (  ) = Sum Total      *  =  Data Taken at Approximately 4:00 p.m. DST