


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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530 CXUS53 KLSX 181400 CF6SET PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ST_CHARLES MO MONTH: APRIL YEAR: 2025 LATITUDE: 38 55 N LONGITUDE: 90 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 59 35 47 -4 18 0 T 0.0 0 13.2 26 120 M M 3 13 34 120 2 80 55 68 16 0 3 0.68 0.0 0 13.7 32 200 M M 7 13 45 200 3 59 45 52 0 13 0 0.23 0.0 0 5.3 13 300 M M 6 1 15 300 4 52 46 49 -3 16 0 1.85 0.0 0 11.2 36 260 M M 9 13 46 270 5 48 44 46 -7 19 0 0.44 0.0 0 11.8 20 360 M M 9 1 27 10 6 52 39 46 -7 19 0 0.00 0.0 0 9.1 20 360 M M 7 26 360 7 60 33 47 -7 18 0 0.00 0.0 0 10.6 23 290 M M 0 30 320 8 51 29 40 -14 25 0 0.00 0.0 0 5.5 13 100 M M 0 17 100 9 67 40 54 0 11 0 T 0.0 0 9.1 24 170 M M 4 30 170 10 69 39 54 -1 11 0 0.01 0.0 0 6.9 23 320 M M 3 123 32 320 11 55 42 49 -6 16 0 0.00 0.0 0 7.4 16 360 M M 9 18 21 360 12 64 34 49 -7 16 0 0.00 0.0 0 6.3 15 160 M M 1 12 20 150 13 83 51 67 11 0 2 0.00 0.0 0 12.0 25 160 M M 0 34 160 14 71 52 62 6 3 0 0.00 0.0 0 12.2 24 300 M M 1 33 310 15 63 42 53 -4 12 0 0.00 0.0 0 15.5 29 300 M M 0 42 300 16 73 36 55 -2 10 0 T 0.0 0 7.3 18 140 M M 1 24 160 17 79 53 66 9 0 1 0.16 0.0 0 14.1 29 160 M M 6 36 160 ================================================================================ SM 1085 715 207 6 3.37 0.0 171.2 M 66 ================================================================================ AV 63.8 42.1 10.1 FASTST M M 4 MAX(MPH) MISC ----> 36 260 46 270 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: ST_CHARLES MO MONTH: APRIL YEAR: 2025 LATITUDE: 38 55 N LONGITUDE: 90 26 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 52.9 TOTAL FOR MONTH: 3.37 1 = FOG OR MIST DPTR FM NORMAL: -1.4 DPTR FM NORMAL: 1.09 2 = FOG REDUCING VISIBILITY HIGHEST: 83 ON 13 GRTST 24HR 1.85 ON 4- 4 TO 1/4 MILE OR LESS LOWEST: 29 ON 8 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.0 INCH 5 = HAIL GRTST 24HR 0.0 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: 6 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5 MIN 32 OR BELOW: 1 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 207 CLEAR (SCALE 0-3) 8 DPTR FM NORMAL 14 PTCLDY (SCALE 4-7) 6 TOTAL FM JUL 1 4230 CLOUDY (SCALE 8-10) 3 DPTR FM NORMAL -285 [CDD (BASE 65) ] TOTAL THIS MO. 6 DPTR FM NORMAL -4 [PRESSURE DATA] TOTAL FM JAN 1 14 HIGHEST SLP M ON M DPTR FM NORMAL 0 LOWEST SLP 29.40 ON 2 [REMARKS]