WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS56 KMTR 120900
CF6APC
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: NAPA AIRPORT
MONTH: MAY
YEAR: 2025
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 66 48 57 -1 8 0 0.00 M M 9.8 18 190 M M 4 1 23 200
2 70 49 60 2 5 0 0.00 M M 12.3 23 240 M M 4 31 230
3 70 46 58 0 7 0 T M M 10.8 22 200 M M 2 31 200
4 72 42 57 -1 8 0 0.00 M M 6.1 15 210 M M 0 19 190
5 85 55 70 11 0 5 0.00 M M 14.7 33 20 M M 0 44 360
6 70 48 59 0 6 0 0.00 M M 11.7 23 190 M M 0 29 190
7 66 45 56 -3 9 0 0.00 M M 10.5 22 210 M M 5 28 190
8 80 45 63 4 2 0 0.00 M M 6.1 17 260 M M 4 1 26 270
9 87 44 66 7 0 1 0.00 M M 4.7 16 270 M M 0 1 20 270
10 79 43 61 2 4 0 0.00 M M 8.0 17 200 M M 0 22 190
11 69 49 59 -1 6 0 0.00 M M 12.1 24 270 M M 2 34 240
================================================================================
SM 814 514 55 6 T M 106.8 M 21
================================================================================
AV 74.0 46.7 9.7 FASTST M M 2 MAX(MPH)
MISC ----> 33 20 44 360
================================================================================
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: MAY
YEAR: 2025
LATITUDE: 38 13 N
LONGITUDE: 122 17 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 60.4 TOTAL FOR MONTH: T 1 = FOG OR MIST
DPTR FM NORMAL: 1.6 DPTR FM NORMAL: -0.34 2 = FOG REDUCING VISIBILITY
HIGHEST: 87 ON 9 GRTST 24HR T ON 3- 3 TO 1/4 MILE OR LESS
LOWEST: 42 ON 4 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: 0
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0
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. 55 CLEAR (SCALE 0-3) 7
DPTR FM NORMAL -16 PTCLDY (SCALE 4-7) 4
TOTAL FM JUL 1 2576 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL -242
[CDD (BASE 65) ]
TOTAL THIS MO. 6
DPTR FM NORMAL 6 [PRESSURE DATA]
TOTAL FM JAN 1 8 HIGHEST SLP M ON M
DPTR FM NORMAL 6 LOWEST SLP 29.69 ON 4
[REMARKS]