CXUS53 KLSX 151400 CF6CPS PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: CAHOKIA/ST. LOUIS MONTH: APRIL YEAR: 2026 LATITUDE: 38 34 N LONGITUDE: 90 9 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 73 50 62 10 3 0 0.70 0.0 0 8.4 16 360 M M 9 13 M M 2 76 56 66 14 0 1 0.02 0.0 0 12.1 24 180 M M 2 1 39 160 3 83 63 73 21 0 8 T 0.0 0 8.4 20 170 M M 4 31 180 4 75 43 59 6 6 0 0.48 0.0 0 11.2 26 320 M M 7 1 36 320 5 60 39 50 -3 15 0 0.00 0.0 0 9.8 21 310 M M 0 18 28 320 6 65 37 51 -2 14 0 0.00 0.0 0 8.4 18 320 M M 1 1 24 350 7 57 43 50 -4 15 0 0.00 0.0 0 10.2 18 10 M M 3 25 30 8 77 41 59 5 6 0 0.00 0.0 0 9.0 18 200 M M 0 30 150 9 81 48 65 11 0 0 0.00 0.0 0 8.5 18 160 M M 0 27 200 10 73 55 64 9 1 0 T 0.0 0 8.5 17 350 M M 6 22 350 11 71 48 60 5 5 0 T 0.0 0 6.0 13 150 M M 4 17 130 12 80 60 70 15 0 5 T 0.0 0 11.2 25 180 M M 3 49 170 13 85 68 77 21 0 12 0.00 0.0 0 9.7 17 200 M M 5 28 190 14 90 69 80 24 0 15 T 0.0 0 10.3 18 190 M M 1 28 170 ================================================================================ SM 1046 720 65 41 1.20 0.0 131.7 M 45 ================================================================================ AV 74.7 51.4 9.4 FASTST M M 3 MAX(MPH) MISC ----> 26 320 49 170 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: CAHOKIA/ST. LOUIS MONTH: APRIL YEAR: 2026 LATITUDE: 38 34 N LONGITUDE: 90 9 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 63.1 TOTAL FOR MONTH: 1.20 1 = FOG OR MIST DPTR FM NORMAL: 9.2 DPTR FM NORMAL: -0.68 2 = FOG REDUCING VISIBILITY HIGHEST: 90 ON 14 GRTST 24HR 0.70 ON 1- 1 TO 1/4 MILE OR LESS LOWEST: 37 ON 6 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: 3 MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 2 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 65 CLEAR (SCALE 0-3) 7 DPTR FM NORMAL -101 PTCLDY (SCALE 4-7) 6 TOTAL FM JUL 1 3760 CLOUDY (SCALE 8-10) 1 DPTR FM NORMAL -584 [CDD (BASE 65) ] TOTAL THIS MO. 41 DPTR FM NORMAL 33 [PRESSURE DATA] TOTAL FM JAN 1 79 HIGHEST SLP M ON M DPTR FM NORMAL 66 LOWEST SLP 29.71 ON 2 [REMARKS]