WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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765
CXUS56 KMTR 100900
CF6APC
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: NAPA AIRPORT
MONTH: SEPTEMBER
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 73 57 65 -2 0 0 0.00 M M 11.8 23 200 M M 7 31 200
2 74 54 64 -3 1 0 T M M 8.9 17 270 M M 5 18 23 270
3 70 56 63 -4 2 0 0.10 M M 9.5 20 220 M M 9 1 25 230
4 75 52 64 -3 1 0 0.00 M M 8.9 20 260 M M 3 12 25 270
5 79 47 63 -4 2 0 0.00 M M 7.7 21 270 M M 0 12 24 270
6 76 45 61 -6 4 0 0.00 M M 7.2 21 200 M M 1 1 24 190
7 88 52 70 3 0 5 0.00 M M 6.2 15 280 M M 2 1 19 290
8 94 50 72 6 0 7 0.00 M M 4.2 13 230 M M 0 16 250
9 99 57 78 12 0 13 0.00 M M 4.0 15 260 M M 0 19 260
================================================================================
SM 728 470 10 25 0.10 M 68.4 M 27
================================================================================
AV 80.9 52.2 7.6 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: SEPTEMBER
YEAR: 2026
LATITUDE: 38 13 N
LONGITUDE: 122 17 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 66.6 TOTAL FOR MONTH: 0.10 1 = FOG OR MIST
DPTR FM NORMAL: -0.2 DPTR FM NORMAL: 0.09 2 = FOG REDUCING VISIBILITY
HIGHEST: 99 ON 9 GRTST 24HR 0.10 ON 3- 3 TO 1/4 MILE OR LESS
LOWEST: 45 ON 6 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: 1
MAX 90 OR ABOVE: 2 0.10 INCH OR MORE: 1
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 10 CLEAR (SCALE 0-3) 6
DPTR FM NORMAL 1 PTCLDY (SCALE 4-7) 2
TOTAL FM JUL 1 46 CLOUDY (SCALE 8-10) 1
DPTR FM NORMAL 3
[CDD (BASE 65) ]
TOTAL THIS MO. 25
DPTR FM NORMAL -1 [PRESSURE DATA]
TOTAL FM JAN 1 199 HIGHEST SLP M ON M
DPTR FM NORMAL -56 LOWEST SLP 29.84 ON 3
[REMARKS]