


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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500 CXUS56 KMTR 260900 CF6SFD PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: SAN FRANCISCO DWTN CA MONTH: APRIL YEAR: 2025 LATITUDE: 37 46 N LONGITUDE: 122 26 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 56 49 53 -3 12 0 0.13 M 0 M M M M M M M M 2 58 46 52 -4 13 0 0.00 M 0 M M M M M M M M 3 60 46 53 -3 12 0 0.00 M 0 M M M M M M M M 4 67 48 58 2 7 0 0.00 M 0 M M M M M M M M 5 69 50 60 4 5 0 0.00 M 0 M M M M M M M M 6 64 49 57 1 8 0 0.00 M 0 M M M M M M M M 7 61 53 57 1 8 0 0.09 M 0 M M M M M M M M 8 62 52 57 1 8 0 0.00 M 0 M M M M M M M M 9 71 51 61 5 4 0 0.00 M 0 M M M M M M M M 10 65 50 58 2 7 0 0.00 M 0 M M M M M M M M 11 63 50 57 1 8 0 0.00 M 0 M M M M M M M M 12 61 48 55 -1 10 0 0.00 M 0 M M M M M M M M 13 73 48 61 5 4 0 0.00 M 0 M M M M M M M M 14 60 50 55 -1 10 0 0.00 M 0 M M M M M M M M 15 61 52 57 1 8 0 0.00 M 0 M M M M M M M M 16 59 53 56 0 9 0 0.00 M 0 M M M M M M M M 17 60 50 55 -1 10 0 0.03 M 0 M M M M M M M M 18 58 50 54 -2 11 0 0.00 M 0 M M M M M M M M 19 60 50 55 -1 10 0 0.00 M 0 M M M M M M M M 20 58 50 54 -2 11 0 0.00 M 0 M M M M M M M M 21 64 49 57 1 8 0 0.00 M 0 M M M M M M M M 22 61 50 56 0 9 0 0.00 M 0 M M M M M M M M 23 56 49 53 -4 12 0 0.00 M 0 M M M M M M M M 24 56 50 53 -4 12 0 0.00 M 0 M M M M M M M M 25 59 50 55 -2 10 0 0.00 M 0 M M M M M M M M ================================================================================ SM 1542 1243 226 0 0.25 M M M M ================================================================================ AV 61.7 49.7 M FASTST M M M MAX(MPH) MISC ----> M M M M ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: SAN FRANCISCO DWTN CA MONTH: APRIL YEAR: 2025 LATITUDE: 37 46 N LONGITUDE: 122 26 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 55.7 TOTAL FOR MONTH: 0.25 1 = FOG OR MIST DPTR FM NORMAL: -0.4 DPTR FM NORMAL: -1.20 2 = FOG REDUCING VISIBILITY HIGHEST: 73 ON 13 GRTST 24HR 0.30 ON 31- 1 TO 1/4 MILE OR LESS LOWEST: 46 ON 3, 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: 0 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: 3 MAX 90 OR ABOVE: 0 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. 226 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL 1 PTCLDY (SCALE 4-7) 0 TOTAL FM JUL 1 2138 CLOUDY (SCALE 8-10) 25 DPTR FM NORMAL -202 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 2 HIGHEST SLP M ON M DPTR FM NORMAL 0 LOWEST SLP 9999.00 ON 1 [REMARKS]