WFO Monthly/Daily Climate Data
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
903
CXUS53 KLOT 220800
CF6LOT
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: ROMEOVILLE WFO
MONTH: APRIL
YEAR: 2025
LATITUDE: 41 36 N
LONGITUDE: 88 5 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
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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
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1 46 31 39 -6 26 0 T 0.0 0 11.2 21 100 M M 3 28 100
2 71 41 56 11 9 0 1.84 0.0 0 15.6 28 100 M M 7 123 37 100
3 54 40 47 1 18 0 0.00 0.0 0 10.9 24 260 M M 1 35 260
4 50 38 44 -2 21 0 0.21 0.0 0 10.0 18 70 M M 4 1 25 70
5 53 40 47 1 18 0 0.19 0.0 0 11.6 17 20 M M 6 1 24 360
6 51 35 43 -4 22 0 0.00 0.0 0 8.8 14 350 M M 1 21 350
7 47 28 38 -9 27 0 T T 0 13.5 24 20 M M 5 32 20
8 44 24 34 -14 31 0 0.00 0.0 0 7.0 12 280 M M 1 17 270
9 44 32 38 -10 27 0 0.01 T 0 11.6 21 150 M M 9 14 30 150
10 50 37 44 -4 21 0 T 0.0 0 9.4 14 40 M M 8 18 18 30
11 53 35 44 -5 21 0 0.00 0.0 0 9.1 20 20 M M 3 1 24 30
12 61 33 47 -2 18 0 0.00 0.0 0 5.6 13 170 M M 1 18 160
13 66 48 57 8 8 0 0.00 0.0 0 15.2 28 150 M M 5 36 150
14 63 47 55 5 10 0 0.00 0.0 0 16.7 28 270 M M 2 39 270
15 56 40 48 -2 17 0 0.02 0.0 0 16.9 28 280 M M 6 1 37 300
16 56 32 44 -6 21 0 0.00 0.0 0 6.9 13 80 M M 3 14 60
17 63 41 52 1 13 0 0.09 0.0 0 17.5 25 150 M M 8 1 35 140
18 76 58 67 16 0 2 0.27 0.0 0 17.2 25 160 M M 7 3 31 160
19 59 45 52 0 13 0 T 0.0 0 7.5 17 270 M M 9 1 24 270
20 64 48 56 4 9 0 0.57 0.0 0 12.5 21 120 M M 7 18 32 130
21 63 43 53 1 12 0 0.03 0.0 0 16.5 29 260 M M 8 40 230
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SM 1190 816 362 2 3.23 T 251.2 M 104
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AV 56.7 38.9 12.0 FASTST M M 5 MAX(MPH)
MISC ----> 29 260 40 230
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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: APRIL
YEAR: 2025
LATITUDE: 41 36 N
LONGITUDE: 88 5 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 47.8 TOTAL FOR MONTH: 3.23 1 = FOG OR MIST
DPTR FM NORMAL: -0.9 DPTR FM NORMAL: 0.55 2 = FOG REDUCING VISIBILITY
HIGHEST: 76 ON 18 GRTST 24HR 1.84 ON 2- 2 TO 1/4 MILE OR LESS
LOWEST: 24 ON 8 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: T 5 = HAIL
GRTST 24HR T ON 7- 7 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: 9
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5
MIN 32 OR BELOW: 5 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 362 CLEAR (SCALE 0-3) 6
DPTR FM NORMAL 14 PTCLDY (SCALE 4-7) 13
TOTAL FM JUL 1 5340 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL -420
[CDD (BASE 65) ]
TOTAL THIS MO. 2
DPTR FM NORMAL 2 [PRESSURE DATA]
TOTAL FM JAN 1 2 HIGHEST SLP M ON M
DPTR FM NORMAL -1 LOWEST SLP M ON M
[REMARKS]