WFO Monthly/Daily Climate Data
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CXUS53 KLOT 260800
CF6RFD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: ROCKFORD IL
MONTH: MAY
YEAR: 2026
LATITUDE: 42 12 N
LONGITUDE: 89 6 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 51 31 41 -14 24 0 T 0.0 0 4.9 15 360 M M 7 1 20 260
2 58 27 43 -12 22 0 0.00 0.0 0 5.3 16 260 M M 5 1 22 280
3 71 43 57 1 8 0 0.03 0.0 0 11.7 30 200 M M 5 1 40 200
4 80 41 61 5 4 0 0.00 0.0 0 12.7 25 310 M M 4 3 37 310
5 57 41 49 -7 16 0 0.00 0.0 0 9.9 21 290 M M 8 28 290
6 56 32 44 -13 21 0 0.00 0.0 0 9.0 24 290 M M 5 32 290
7 62 27 45 -12 20 0 T 0.0 0 6.1 28 240 M M 4 40 230
8 70 33 52 -6 13 0 0.00 0.0 0 4.9 15 200 M M 4 1 19 220
9 74 43 59 1 6 0 0.00 0.0 0 12.1 30 240 M M 5 39 240
10 66 35 51 -7 14 0 0.00 0.0 0 4.2 18 270 M M 4 31 270
11 64 40 52 -7 13 0 0.00 0.0 0 5.9 15 100 M M 3 25 100
12 73 40 57 -2 8 0 0.02 0.0 0 11.8 22 200 M M 7 36 190
13 66 38 52 -7 13 0 0.00 0.0 0 11.5 25 330 M M 5 33 360
14 72 35 54 -6 11 0 0.02 0.0 0 5.1 13 150 M M 5 19 150
15 80 54 67 7 0 2 0.04 0.0 0 13.0 25 180 M M 4 3 32 180
16 84 59 72 12 0 7 0.05 0.0 0 7.6 37 250 M M 8 3 35 210
17 84 64 74 13 0 9 0.00 0.0 0 11.8 26 190 M M 9 37 190
18 80 67 74 13 0 9 0.05 0.0 0 10.5 22 230 M M 10 13 30 250
19 76 51 64 2 1 0 0.07 0.0 0 12.8 24 290 M M 9 13 32 250
20 68 42 55 -7 10 0 0.00 0.0 0 7.2 15 360 M M 5 23 330
21 65 46 56 -6 9 0 0.00 0.0 0 8.1 14 50 M M 8 25 50
22 72 51 62 0 3 0 0.00 0.0 0 7.4 16 80 M M 10 26 90
23 78 51 65 2 0 0 T 0.0 0 3.1 12 80 M M 8 19 90
24 81 55 68 5 0 3 0.19 0.0 0 6.3 18 320 M M 5 13 25 300
25 86 51 69 5 0 4 0.00 0.0 0 6.2 18 200 M M 3 18 24 160
================================================================================
SM 1774 1097 216 34 0.47 0.0 209.1 M 150
================================================================================
AV 71.0 43.9 8.4 FASTST M M 6 MAX(MPH)
MISC ----> 37 250 # 40 200
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: ROCKFORD IL
MONTH: MAY
YEAR: 2026
LATITUDE: 42 12 N
LONGITUDE: 89 6 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 57.4 TOTAL FOR MONTH: 0.47 1 = FOG OR MIST
DPTR FM NORMAL: -1.9 DPTR FM NORMAL: -2.81 2 = FOG REDUCING VISIBILITY
HIGHEST: 86 ON 25 GRTST 24HR 0.23 ON 30- 1 TO 1/4 MILE OR LESS
LOWEST: 27 ON 7, 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: 8
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1
MIN 32 OR BELOW: 4 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 216 CLEAR (SCALE 0-3) 1
DPTR FM NORMAL 38 PTCLDY (SCALE 4-7) 18
TOTAL FM JUL 1 6084 CLOUDY (SCALE 8-10) 6
DPTR FM NORMAL -364
[CDD (BASE 65) ]
TOTAL THIS MO. 34
DPTR FM NORMAL -1 [PRESSURE DATA]
TOTAL FM JAN 1 49 HIGHEST SLP M ON M
DPTR FM NORMAL 7 LOWEST SLP 29.44 ON 4
[REMARKS]