WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS53 KILX 280900
CF6DEC
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: DECATUR IL AIRPORT
MONTH: MAY
YEAR: 2026
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 58 43 51 -8 14 0 T M M 7.9 17 350 M M 7 31 350
2 58 40 49 -10 16 0 0.00 M M 6.5 14 330 M M 6 20 300
3 68 40 54 -5 11 0 T M M 15.9 30 210 M M 3 46 210
4 76 54 65 5 0 0 0.51 M M 16.7 33 220 M M 5 13 47 220
5 59 47 53 -7 12 0 0.38 M M 7.6 21 350 M M 9 13 29 350
6 59 41 50 -10 15 0 0.00 M M 6.9 18 320 M M 4 26 310
7 65 37 51 -10 14 0 0.05 M M 9.4 24 230 M M 3 32 240
8 66 49 58 -3 7 0 0.20 M M 10.2 21 240 M M 6 1 30 240
9 76 49 63 1 2 0 0.00 M M 10.5 21 230 M M 4 12 33 230
10 68 47 58 -4 7 0 0.00 M M 7.4 16 340 M M 1 25 300
11 71 42 57 -5 8 0 0.00 M M 9.0 20 320 M M 0 24 310
12 80 45 63 0 2 0 0.03 M M 12.4 30 210 M M 2 37 210
13 70 46 58 -5 7 0 0.00 M M 12.5 23 340 M M 2 37 340
14 70 41 56 -7 9 0 0.00 M M 5.4 14 150 M M 0 21 160
15 77 51 64 0 1 0 0.47 M M 12.0 22 180 M M 5 13 30 180
16 74 M M M M M 0.69 M M 12.1 29 210 M M 4 138 40 230
17 82 M M M M M 0.00 M M 18.5 23 190 M M 1 35 190
18 75 61 68 3 0 3 0.54 M M 14.5 24 200 M M 3 13 37 180
19 77 59 68 3 0 3 0.00 M M 12.9 17 200 M M 3 29 200
20 69 48 59 -6 6 0 0.04 M M 13.2 18 40 M M 4 1 21 30
21 69 46 58 -8 7 0 0.00 M M 14.6 20 90 M M 6 28 70
22 69 54 62 -4 3 0 0.00 M M 11.6 17 70 M M 8 23 80
23 75 58 67 1 0 2 0.00 M M M M M M M 7 M M
24 78 57 68 1 0 3 0.01 M M 7.2 12 30 M M 6 1 12 30
25 82 52 67 0 0 2 0.00 M M 6.5 16 130 M M 0 1 16 130
26 82 57 70 3 0 5 0.00 M M 7.1 12 150 M M 1 M M
27 84 64 74 6 0 9 0.18 M M 5.0 8 50 M M 4 1 8 50
================================================================================
SM 1937 1228 141 27 3.10 M 273.5 M 104
================================================================================
AV 71.7 49.1 10.5 FASTST M M 4 MAX(MPH)
MISC ----> 33 220 47 220
================================================================================
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: 2026
LATITUDE: 39 49 N
LONGITUDE: 88 51 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 60.4 TOTAL FOR MONTH: 3.10 1 = FOG OR MIST
DPTR FM NORMAL: -2.8 DPTR FM NORMAL: -0.78 2 = FOG REDUCING VISIBILITY
HIGHEST: 84 ON 27 GRTST 24HR 0.69 ON 16-16 TO 1/4 MILE OR LESS
LOWEST: 37 ON 7 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: 11
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 141 CLEAR (SCALE 0-3) 10
DPTR FM NORMAL 20 PTCLDY (SCALE 4-7) 16
TOTAL FM JUL 1 4920 CLOUDY (SCALE 8-10) 1
DPTR FM NORMAL -455
[CDD (BASE 65) ]
TOTAL THIS MO. 27
DPTR FM NORMAL -46 [PRESSURE DATA]
TOTAL FM JAN 1 85 HIGHEST SLP M ON M
DPTR FM NORMAL -4 LOWEST SLP 29.55 ON 4
[REMARKS]