WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS53 KILX 200900
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 M 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
================================================================================
SM 1329 792 125 6 2.18 M 208.3 M 68
================================================================================
AV 69.9 46.6 11.0 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: 58.3 TOTAL FOR MONTH: 2.18 1 = FOG OR MIST
DPTR FM NORMAL: -3.6 DPTR FM NORMAL: -0.57 2 = FOG REDUCING VISIBILITY
HIGHEST: 82 ON 17 GRTST 24HR 0.63 ON 4- 5 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: 7
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 125 CLEAR (SCALE 0-3) 8
DPTR FM NORMAL 25 PTCLDY (SCALE 4-7) 10
TOTAL FM JUL 1 4904 CLOUDY (SCALE 8-10) 1
DPTR FM NORMAL -450
[CDD (BASE 65) ]
TOTAL THIS MO. 6
DPTR FM NORMAL -34 [PRESSURE DATA]
TOTAL FM JAN 1 64 HIGHEST SLP M ON M
DPTR FM NORMAL 8 LOWEST SLP 29.55 ON 4
[REMARKS]