WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS56 KMTR 201000
CF6APC
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: NAPA AIRPORT
MONTH: JANUARY
YEAR: 2026
LATITUDE: 38 13 N
LONGITUDE: 122 17 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
12Z AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 57 49 53 6 12 0 0.25 M M 7.5 16 60 M M 10 1 23 40
2 62 54 58 11 7 0 0.33 M M 7.9 20 100 M M 9 18 25 90
3 61 54 58 11 7 0 0.20 M M 11.3 23 200 M M 9 1 31 200
4 56 48 52 5 13 0 0.61 M M 6.2 18 180 M M 9 1 28 180
5 56 49 53 6 12 0 0.50 M M 10.5 20 130 M M 9 1 28 120
6 61 43 52 5 13 0 0.02 M M 4.2 13 10 M M 4 12 17 90
7 60 43 52 5 13 0 T M M 7.8 22 270 M M 4 12 29 270
8 57 35 46 -1 19 0 T M M 10.3 21 20 M M 0 27 290
9 60 31 46 -1 19 0 0.00 M M 4.1 13 90 M M 0 18 80
10 59 34 47 0 18 0 0.00 M M 6.5 14 110 M M 0 19 120
11 59 34 47 0 18 0 0.00 M M 2.9 8 10 M M 0 1 10 110
12 61 32 47 0 18 0 0.00 M M 5.2 14 100 M M 0 1 21 70
13 61 33 47 0 18 0 0.00 M M 6.0 17 90 M M 0 1 23 90
14 61 35 48 1 17 0 0.00 M M 5.5 14 120 M M 0 18 21 80
15 63 36 50 3 15 0 0.00 M M 7.3 21 90 M M 1 128 29 90
16 62 33 48 1 17 0 0.00 M M 3.9 15 100 M M 1 128 21 90
17 59 34 47 -1 18 0 0.00 M M 6.7 18 90 M M 1 18 26 90
18 62 39 51 3 14 0 0.00 M M 4.8 15 100 M M 0 1 21 90
19 59 37 48 0 17 0 0.00 M M 3.8 14 90 M M 0 1 19 90
================================================================================
SM 1136 753 285 0 1.91 M 122.4 M 57
================================================================================
AV 59.8 39.6 6.4 FASTST M M 3 MAX(MPH)
MISC ----> 23 200 31 200
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: NAPA AIRPORT
MONTH: JANUARY
YEAR: 2026
LATITUDE: 38 13 N
LONGITUDE: 122 17 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 49.7 TOTAL FOR MONTH: 1.91 1 = FOG OR MIST
DPTR FM NORMAL: 2.6 DPTR FM NORMAL: -0.72 2 = FOG REDUCING VISIBILITY
HIGHEST: 63 ON 15 GRTST 24HR 2.24 ON 4- 4 TO 1/4 MILE OR LESS
LOWEST: 31 ON 9 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: M 5 = HAIL
GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: M ON M 7 = DUSTSTORM OR SANDSTORM:
VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
[NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW
X = TORNADO
MAX 32 OR BELOW: 0 0.01 INCH OR MORE: 6
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5
MIN 32 OR BELOW: 2 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 285 CLEAR (SCALE 0-3) 12
DPTR FM NORMAL -55 PTCLDY (SCALE 4-7) 2
TOTAL FM JUL 1 1265 CLOUDY (SCALE 8-10) 5
DPTR FM NORMAL -222
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 0 HIGHEST SLP M ON M
DPTR FM NORMAL 0 LOWEST SLP 29.77 ON 2
[REMARKS]