WFO Monthly/Daily Climate Data
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
154
CXUS53 KLOT 220800
CF6LOT
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: ROMEOVILLE WFO
MONTH: MAY
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 70 53 62 6 3 0 0.44 0.0 0 12.4 22 260 M M 8 1 28 230
2 62 45 54 -2 11 0 0.01 0.0 0 8.0 15 260 M M 8 1 20 40
3 58 44 51 -6 14 0 0.00 0.0 0 13.3 20 20 M M 4 28 40
4 57 45 51 -6 14 0 0.04 0.0 0 14.8 24 20 M M 5 1 35 10
5 62 47 55 -2 10 0 T 0.0 0 8.8 16 40 M M 7 1 21 40
6 75 41 58 0 7 0 0.00 0.0 0 7.1 16 280 M M 1 1 23 300
7 77 48 63 5 2 0 0.00 0.0 0 10.2 21 20 M M 0 28 20
8 60 42 51 -7 14 0 0.00 0.0 0 18.8 29 30 M M 3 30 40
9 68 39 54 -5 11 0 0.00 0.0 0 7.6 12 10 M M 2 18 50
10 76 44 60 1 5 0 0.00 0.0 0 9.8 22 40 M M 2 28 50
11 75 43 59 -1 6 0 0.00 0.0 0 11.5 15 90 M M 0 23 60
12 81 52 67 7 0 2 0.00 0.0 0 8.6 15 70 M M 2 23 60
13 81 61 71 11 0 6 0.00 0.0 0 7.9 15 60 M M 5 M M
14 82 59 71 10 0 6 0.00 0.0 0 5.9 13 80 M M 6 1 M M
15 97 65 81 20 0 16 0.01 0.0 0 15.0 30 170 M M 3 3 38 190
16 88 57 73 12 0 8 0.00 0.0 0 17.7 38 190 M M 2 78 54 190
17 70 52 61 -1 4 0 0.00 0.0 0 17.5 23 260 M M 8 35 260
18 69 45 57 -5 8 0 0.00 0.0 0 8.7 16 60 M M 3 24 60
19 56 44 50 -12 15 0 0.00 0.0 0 15.3 21 40 M M 2 29 50
20 57 49 53 -10 12 0 0.78 0.0 0 14.1 23 80 M M 10 13 40 80
21 55 48 52 -11 13 0 0.05 0.0 0 8.9 14 300 M M 10 1 23 290
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SM 1476 1023 149 38 1.33 0.0 241.9 M 91
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AV 70.3 48.7 11.5 FASTST M M 4 MAX(MPH)
MISC ----> 38 190 54 190
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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: MAY
YEAR: 2025
LATITUDE: 41 36 N
LONGITUDE: 88 5 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 59.5 TOTAL FOR MONTH: 1.33 1 = FOG OR MIST
DPTR FM NORMAL: 0.0 DPTR FM NORMAL: -1.95 2 = FOG REDUCING VISIBILITY
HIGHEST: 97 ON 15 GRTST 24HR 0.78 ON 20-20 TO 1/4 MILE OR LESS
LOWEST: 39 ON 9 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: 6
MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 2
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 149 CLEAR (SCALE 0-3) 9
DPTR FM NORMAL 3 PTCLDY (SCALE 4-7) 9
TOTAL FM JUL 1 5550 CLOUDY (SCALE 8-10) 3
DPTR FM NORMAL -456
[CDD (BASE 65) ]
TOTAL THIS MO. 38
DPTR FM NORMAL 5 [PRESSURE DATA]
TOTAL FM JAN 1 44 HIGHEST SLP M ON M
DPTR FM NORMAL 1 LOWEST SLP M ON M
[REMARKS]