


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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423 CXUS56 KMTR 030900 CF6CCR PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: CONCORD AIRPORT MONTH: APRIL YEAR: 2025 LATITUDE: 37 58 N LONGITUDE: 122 3 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 47 55 -3 10 0 T M M 13.3 25 260 M M 6 38 270 2 64 39 52 -6 13 0 0.00 M M 7.0 15 270 M M 0 20 250 ================================================================================ SM 126 86 23 0 T M 20.3 M 6 ================================================================================ AV 63.0 43.0 10.1 FASTST M M 3 MAX(MPH) MISC ----> 25 260 38 270 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: CONCORD AIRPORT MONTH: APRIL YEAR: 2025 LATITUDE: 37 58 N LONGITUDE: 122 3 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 53.0 TOTAL FOR MONTH: T 1 = FOG OR MIST DPTR FM NORMAL: -5.0 DPTR FM NORMAL: -0.11 2 = FOG REDUCING VISIBILITY HIGHEST: 64 ON 2 GRTST 24HR 0.01 ON 31- 1 TO 1/4 MILE OR LESS LOWEST: 39 ON 2 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. 23 CLEAR (SCALE 0-3) 1 DPTR FM NORMAL 9 PTCLDY (SCALE 4-7) 1 TOTAL FM JUL 1 1863 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL -68 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 4 HIGHEST SLP M ON M DPTR FM NORMAL 2 LOWEST SLP 29.80 ON 2 [REMARKS]