WFO Monthly/Daily Climate Data
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CXUS53 KLOT 200800
CF6LOT
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: ROMEOVILLE WFO
MONTH: MAY
YEAR: 2026
LATITUDE: 41 36 N
LONGITUDE: 88 5 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 50 34 42 -14 23 0 T 0.0 0 6.9 13 50 M M 7 16 80
2 56 30 43 -13 22 0 T 0.0 0 4.9 9 200 M M 4 18 330
3 67 42 55 -2 10 0 0.08 0.0 0 14.0 27 200 M M 2 18 37 200
4 79 45 62 5 3 0 0.33 0.0 0 11.3 18 250 M M 3 38 38 270
5 56 44 50 -7 15 0 0.08 0.0 0 7.9 13 290 M M 6 1 23 320
6 57 37 47 -11 18 0 0.00 0.0 0 8.9 20 270 M M 4 35 270
7 60 33 47 -11 18 0 T 0.0 0 9.3 28 240 M M 3 38 240
8 66 44 55 -3 10 0 T 0.0 0 5.5 13 210 M M 5 13 210
9 74 47 61 2 4 0 0.00 0.0 0 11.2 23 270 M M 2 1 37 270
10 64 42 53 -6 12 0 0.00 0.0 0 5.6 15 310 M M 2 23 310
11 59 42 51 -9 14 0 0.00 0.0 0 11.4 17 20 M M 1 24 20
12 75 40 58 -2 7 0 0.05 0.0 0 11.7 22 200 M M 3 35 200
13 63 41 52 -8 13 0 0.00 0.0 0 9.1 21 340 M M 5 30 340
14 68 39 54 -7 11 0 0.00 0.0 0 4.2 9 120 M M 0 13 40
15 74 51 63 2 2 0 0.01 0.0 0 14.0 24 190 M M 4 31 190
16 80 58 69 8 0 4 0.10 0.0 0 11.2 16 240 M M 3 13 23 220
17 85 58 72 10 0 7 0.00 0.0 0 14.7 25 200 M M 4 1 37 190
18 77 64 71 9 0 6 0.29 0.0 0 15.8 22 180 M M 5 13 35 220
19 77 58 68 6 0 3 T 0.0 0 16.4 23 270 M M 7 33 270
================================================================================
SM 1287 849 182 20 0.94 0.0 194.0 M 70
================================================================================
AV 67.7 44.7 10.2 FASTST M M 4 MAX(MPH)
MISC ----> 28 240 # 38 270
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: ROMEOVILLE WFO
MONTH: MAY
YEAR: 2026
LATITUDE: 41 36 N
LONGITUDE: 88 5 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 56.2 TOTAL FOR MONTH: 0.94 1 = FOG OR MIST
DPTR FM NORMAL: -2.9 DPTR FM NORMAL: -2.03 2 = FOG REDUCING VISIBILITY
HIGHEST: 85 ON 17 GRTST 24HR 0.33 ON 4- 4 TO 1/4 MILE OR LESS
LOWEST: 30 ON 2 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: 7
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 3
MIN 32 OR BELOW: 1 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 182 CLEAR (SCALE 0-3) 9
DPTR FM NORMAL 45 PTCLDY (SCALE 4-7) 10
TOTAL FM JUL 1 5737 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL -260
[CDD (BASE 65) ]
TOTAL THIS MO. 20
DPTR FM NORMAL -8 [PRESSURE DATA]
TOTAL FM JAN 1 33 HIGHEST SLP M ON M
DPTR FM NORMAL -5 LOWEST SLP M ON M
[REMARKS]