WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS56 KMTR 250900
CF6APC
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: NAPA AIRPORT
MONTH: APRIL
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 62 54 58 4 7 0 0.19 M M 11.6 21 220 M M 9 1 29 200
2 67 43 55 1 10 0 0.00 M M 6.6 15 290 M M 2 18 280
3 76 38 57 3 8 0 0.00 M M 5.7 17 30 M M 0 23 30
4 81 40 61 7 4 0 0.00 M M 3.9 14 100 M M 0 20 80
5 83 43 63 9 2 0 0.00 M M 4.0 13 270 M M 0 16 260
6 70 47 59 4 6 0 0.00 M M 11.0 21 260 M M 1 30 250
7 70 48 59 4 6 0 0.00 M M 9.2 20 270 M M 3 24 270
8 77 43 60 5 5 0 0.00 M M 6.0 18 280 M M 0 24 280
9 72 49 61 6 4 0 0.00 M M 8.1 21 260 M M 5 1 28 260
10 65 52 59 4 6 0 0.45 M M 5.4 20 220 M M 8 1 25 210
11 62 47 55 0 10 0 0.78 M M 9.5 30 190 M M 8 1 42 200
12 61 49 55 0 10 0 0.18 M M 9.0 25 200 M M 8 1 35 200
13 65 42 54 -1 11 0 0.01 M M 5.0 17 260 M M 4 1 23 270
14 64 38 51 -5 14 0 0.00 M M 5.4 16 240 M M 3 12 24 240
15 66 40 53 -3 12 0 0.00 M M 8.2 21 260 M M 0 1 29 260
16 72 40 56 0 9 0 0.00 M M 9.9 22 350 M M 2 12 29 350
17 73 43 58 2 7 0 0.00 M M 6.5 16 30 M M 0 8 23 250
18 75 39 57 1 8 0 0.00 M M 4.1 9 220 M M 0 13 70
19 70 43 57 1 8 0 0.00 M M 7.7 17 190 M M 0 1 23 190
20 65 44 55 -1 10 0 0.80 M M 6.0 18 200 M M 8 1 25 200
21 65 45 55 -1 10 0 0.44 M M 7.9 21 270 M M 6 1 28 250
22 66 44 55 -2 10 0 0.67 M M 5.3 14 90 M M 5 18 19 90
23 71 40 56 -1 9 0 0.00 M M 4.9 15 280 M M 1 12 20 220
24 67 44 56 -1 9 0 0.00 M M 7.1 18 280 M M 0 24 280
================================================================================
SM 1665 1055 195 0 3.52 M 168.0 M 73
================================================================================
AV 69.4 44.0 7.0 FASTST M M 3 MAX(MPH)
MISC ----> 30 190 42 200
================================================================================
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: APRIL
YEAR: 2026
LATITUDE: 38 13 N
LONGITUDE: 122 17 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 56.7 TOTAL FOR MONTH: 3.52 1 = FOG OR MIST
DPTR FM NORMAL: 1.3 DPTR FM NORMAL: 2.39 2 = FOG REDUCING VISIBILITY
HIGHEST: 83 ON 5 GRTST 24HR 1.24 ON 20-21 TO 1/4 MILE OR LESS
LOWEST: 38 ON 14, 3 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: 8
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 195 CLEAR (SCALE 0-3) 15
DPTR FM NORMAL -36 PTCLDY (SCALE 4-7) 7
TOTAL FM JUL 1 2152 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL -548
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 8 HIGHEST SLP M ON M
DPTR FM NORMAL 8 LOWEST SLP 29.71 ON 11
[REMARKS]