


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
158 CXUS56 KMTR 110900 CF6APC PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: NAPA AIRPORT MONTH: MARCH 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 60 45 53 1 12 0 T M M 9.0 24 270 M M 6 1 31 210 2 60 43 52 0 13 0 T M M 14.3 28 270 M M 3 35 260 3 60 35 48 -4 17 0 0.00 M M 6.0 18 260 M M 0 23 220 4 59 45 52 0 13 0 T M M 3.4 9 270 M M 5 12 280 5 59 44 52 0 13 0 0.00 M M 9.3 28 270 M M 5 36 270 6 59 37 48 -4 17 0 0.00 M M 4.5 15 270 M M 2 20 280 7 68 33 51 -1 14 0 0.00 M M 5.4 17 270 M M 0 22 290 8 65 34 50 -2 15 0 0.00 M M 4.8 10 200 M M 0 13 250 9 61 34 48 -4 17 0 0.00 M M 6.4 16 200 M M 0 M M 10 66 37 52 -1 13 0 0.00 M M 2.8 14 190 M M 0 19 190 ================================================================================ SM 617 387 144 0 T M 65.9 M 21 ================================================================================ AV 61.7 38.7 6.6 FASTST M M 2 MAX(MPH) MISC ----> # 28 270 36 270 ================================================================================ 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: MARCH YEAR: 2025 LATITUDE: 38 13 N LONGITUDE: 122 17 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 50.2 TOTAL FOR MONTH: T 1 = FOG OR MIST DPTR FM NORMAL: -1.9 DPTR FM NORMAL: -1.15 2 = FOG REDUCING VISIBILITY HIGHEST: 68 ON 7 GRTST 24HR T ON 1- 1 TO 1/4 MILE OR LESS LOWEST: 33 ON 7 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. 144 CLEAR (SCALE 0-3) 6 DPTR FM NORMAL 16 PTCLDY (SCALE 4-7) 4 TOTAL FM JUL 1 1999 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL -224 [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 6 [REMARKS]