Climatological Report (Daily)
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
215
CDUS46 KMTR 130838
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT THU AUG 13 2026
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 12 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 73 3:15 PM 91 1998 80 -7 75
MINIMUM 54 7:26 AM 47 2003 55 -1 56
2015
AVERAGE 64 67 -3 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 0.00
SINCE OCT 1 17.03 16.08
SINCE JAN 1 9.60 8.10
DEGREE DAYS
HEATING
YESTERDAY 1 0
MONTH TO DATE 3 5
SINCE JUN 1 47 107
SINCE JUL 1 26 43
COOLING
YESTERDAY 0 1
MONTH TO DATE 21 25
SINCE JUN 1 137 45
SINCE JAN 1 154 62
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 11.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 57 2:00 PM
AVERAGE 77
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 94 2020
MINIMUM TEMPERATURE (F) 55 43 2007
SUNRISE AND SUNSET
AUGUST 13 2026........SUNRISE 6:22 AM PDT SUNSET 8:05 PM PDT
AUGUST 14 2026........SUNRISE 6:23 AM PDT SUNSET 8:04 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$