WFO Monthly/Daily Climate Data Issued by NWS Chicago, IL
000
CXUS53 KLOT 010800
CF6RFD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: ROCKFORD IL
MONTH: JULY
YEAR: 2021
LATITUDE: 42 12 N
LONGITUDE: 89 6 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 85 62 74 1 0 9 0.00 0.0 0 7.9 16 40 M M 4 23 10
2 81 58 70 -3 0 5 0.00 0.0 0 5.4 14 20 M M 6 8 18 330
3 89 57 73 -1 0 8 0.00 0.0 0 6.7 16 280 M M 0 18 24 300
4 91 68 80 6 0 15 0.00 0.0 0 6.2 14 210 M M 3 20 210
5 94 69 82 8 0 17 0.00 0.0 0 9.7 22 240 M M 2 32 210
6 93 74 84 10 0 19 T 0.0 0 9.0 17 200 M M 6 8 27 230
7 88 67 78 4 0 13 0.07 0.0 0 6.8 30 330 M M 9 138 38 300
8 69 60 65 -9 0 0 0.01 0.0 0 7.9 16 20 M M 9 1 21 20
9 78 56 67 -7 0 2 0.01 0.0 0 4.4 13 190 M M 8 13 17 170
10 77 61 69 -5 0 4 0.10 0.0 0 10.2 20 60 M M 9 18 28 80
11 73 64 69 -5 0 4 0.17 0.0 0 10.9 17 40 M M 9 1 26 40
12 73 67 70 -4 0 5 0.41 0.0 0 8.3 13 40 M M 10 18 17 50
13 84 67 76 2 0 11 0.39 0.0 0 6.1 13 320 M M 9 18 18 310
14 83 67 75 1 0 10 0.21 0.0 0 9.9 30 240 M M 8 13 49 240
15 80 68 74 0 0 9 0.58 0.0 0 6.0 17 250 M M 9 13 30 260
16 78 64 71 -3 0 6 0.00 0.0 0 7.4 16 40 M M 6 18 21 30
17 84 63 74 0 0 9 0.00 0.0 0 7.2 16 40 M M 3 23 70
18 86 65 76 2 0 11 0.00 0.0 0 5.9 13 30 M M 4 17 50
19 86 63 75 1 0 10 0.00 0.0 0 3.0 12 300 M M 0 20 310
20 90 63 77 3 0 12 0.00 0.0 0 6.5 16 320 M M 4 18 21 320
21 76 66 71 -3 0 6 T 0.0 0 5.8 12 60 M M 9 8 16 60
22 87 65 76 2 0 11 0.01 0.0 0 6.1 10 190 M M 8 18 14 150
23 90 72 81 7 0 16 T 0.0 0 5.6 15 210 M M 5 18 20 220
24 94 73 84 10 0 19 0.01 0.0 0 9.1 21 290 M M 4 18 28 250
25 92 66 79 5 0 14 0.00 0.0 0 5.1 16 280 M M 4 23 250
26 94 62 78 4 0 13 0.00 0.0 0 3.9 13 290 M M 1 18 16 290
27 86 67 77 3 0 12 0.00 0.0 0 4.8 14 270 M M 6 14 270
28 89 73 81 7 0 16 0.04 0.0 0 6.2 13 210 M M 8 13 16 210
29 90 68 79 5 0 14 0.26 0.0 0 10.1 23 210 M M 8 13 42 250
30 75 65 70 -3 0 5 T 0.0 0 4.8 12 30 M M 8 18 20
31 82 60 71 -2 0 6 0.00 0.0 0 4.7 15 270 M M 6 20 290
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SM 2617 2020 0 311 2.27 0.0 211.6 M 185
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AV 84.4 65.2 6.8 FASTST M M 6 MAX(MPH)
MISC ----> # 30 330 49 240
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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: ROCKFORD IL
MONTH: JULY
YEAR: 2021
LATITUDE: 42 12 N
LONGITUDE: 89 6 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 74.8 TOTAL FOR MONTH: 2.27 1 = FOG OR MIST
DPTR FM NORMAL: 1.0 DPTR FM NORMAL: -1.54 2 = FOG REDUCING VISIBILITY
HIGHEST: 94 ON 26,24 GRTST 24HR 0.80 ON 12-13 TO 1/4 MILE OR LESS
LOWEST: 56 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: 13
MAX 90 OR ABOVE: 9 0.10 INCH OR MORE: 7
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. 0 CLEAR (SCALE 0-3) 6
DPTR FM NORMAL -3 PTCLDY (SCALE 4-7) 13
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 12
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 311
DPTR FM NORMAL 37 [PRESSURE DATA]
TOTAL FM JAN 1 740 HIGHEST SLP M ON M
DPTR FM NORMAL 223 LOWEST SLP 29.21 ON 31
[REMARKS]
#FINAL-07-21#