


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
156 CXUS53 KILX 220900 CF6DEC PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: DECATUR IL AIRPORT MONTH: MAY YEAR: 2025 LATITUDE: 39 49 N LONGITUDE: 88 51 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 60 67 8 0 2 0.19 M M 12.9 26 220 M M 6 13 35 220 2 70 57 64 5 1 0 T M M 8.5 21 330 M M 5 3 28 340 3 57 50 54 -5 11 0 0.85 M M 10.5 18 10 M M 10 1 27 30 4 55 45 50 -10 15 0 0.12 M M 12.2 21 40 M M 9 30 360 5 65 47 56 -4 9 0 0.02 M M 6.5 14 20 M M 7 1 17 50 6 74 43 59 -1 6 0 0.00 M M 5.5 12 210 M M 1 1 17 320 7 79 53 66 5 0 1 T M M 5.8 14 60 M M 1 19 110 8 75 48 62 1 3 0 T M M 10.3 24 30 M M 5 3 30 30 9 73 42 58 -4 7 0 0.00 M M 7.0 15 70 M M 0 20 70 10 84 44 64 2 1 0 0.00 M M 5.3 20 50 M M 0 26 60 11 83 43 63 1 2 0 0.00 M M 9.2 17 110 M M 0 22 100 12 77 59 68 5 0 3 0.29 M M 8.3 24 100 M M 4 138 30 100 13 82 57 70 7 0 5 0.00 M M 5.1 12 120 M M 5 123 16 110 14 85 59 72 9 0 7 0.00 M M 6.7 17 140 M M 3 24 140 15 91 68 80 16 0 15 0.45 M M 14.4 30 200 M M 1 13 44 260 16 85 60 73 9 0 8 0.29 M M 11.7 41 180 M M 1 3 61 180 17 74 58 66 2 0 1 0.00 M M 12.4 22 260 M M 2 34 300 18 77 54 66 1 0 1 0.00 M M 5.1 17 360 M M 0 21 350 19 81 56 69 4 0 4 0.01 M M 15.7 25 110 M M 2 3 34 100 20 80 62 71 6 0 6 1.02 M M 17.3 32 100 M M 7 13 40 100 21 63 56 60 -6 5 0 T M M 13.2 23 280 M M 10 33 270 ================================================================================ SM 1583 1121 60 53 3.24 M 203.6 M 79 ================================================================================ AV 75.4 53.4 9.7 FASTST M M 4 MAX(MPH) MISC ----> 41 180 61 180 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: DECATUR IL AIRPORT MONTH: MAY YEAR: 2025 LATITUDE: 39 49 N LONGITUDE: 88 51 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 64.4 TOTAL FOR MONTH: 3.24 1 = FOG OR MIST DPTR FM NORMAL: 2.1 DPTR FM NORMAL: 0.20 2 = FOG REDUCING VISIBILITY HIGHEST: 91 ON 15 GRTST 24HR 1.03 ON 19-20 TO 1/4 MILE OR LESS LOWEST: 42 ON 9 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: 9 MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 7 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 60 CLEAR (SCALE 0-3) 11 DPTR FM NORMAL -46 PTCLDY (SCALE 4-7) 7 TOTAL FM JUL 1 4697 CLOUDY (SCALE 8-10) 3 DPTR FM NORMAL -663 [CDD (BASE 65) ] TOTAL THIS MO. 53 DPTR FM NORMAL 5 [PRESSURE DATA] TOTAL FM JAN 1 72 HIGHEST SLP M ON M DPTR FM NORMAL 8 LOWEST SLP 29.48 ON 15 [REMARKS]