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: MAY
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 88 45 67 12 0 2 0.00 0.0 0 17.9 37 240 M M 4 57 230
2 86 61 74 19 0 9 0.00 0.0 0 14.1 24 180 M M 4 35 200
3 75 58 67 11 0 2 0.65 0.0 0 8.2 17 330 M M 10 13 26 310
4 61 46 54 -2 11 0 T 0.0 0 9.8 20 330 M M 9 25 320
5 65 41 53 -3 12 0 T 0.0 0 5.9 15 140 M M 5 21 330
6 62 44 53 -4 12 0 0.04 0.0 0 9.2 22 10 M M 8 30 10
7 59 38 49 -8 16 0 T 0.0 0 9.4 22 340 M M 5 30 350
8 59 34 47 -11 18 0 0.28 0.0 0 5.2 20 110 M M 6 25 80
9 64 40 52 -6 13 0 T 0.0 0 10.0 25 30 M M 8 35 30
10 61 43 52 -6 13 0 0.01 0.0 0 7.8 16 20 M M 8 22 110
11 61 36 49 -10 16 0 0.00 0.0 0 6.0 18 10 M M 2 25 30
12 67 35 51 -8 14 0 0.00 0.0 0 2.7 10 120 M M 2 19 250
13 71 39 55 -4 10 0 0.00 0.0 0 3.2 15 320 M M 3 23 350
14 73 41 57 -3 8 0 0.00 0.0 0 4.2 17 160 M M 5 27 170
15 59 53 56 -4 9 0 0.14 0.0 0 8.0 17 180 M M 10 18 24 170
16 72 54 63 3 2 0 0.00 0.0 0 3.5 10 210 M M 10 18 15 170
17 75 57 66 5 0 1 0.00 0.0 0 7.9 18 150 M M 7 25 150
18 71 58 65 4 0 0 0.48 0.0 0 10.8 21 150 M M 10 18 29 150
19 80 65 73 11 0 8 0.03 0.0 0 13.5 22 160 M M 10 1 30 170
20 84 66 75 13 0 10 0.00 0.0 0 12.1 25 180 M M 9 33 170
21 77 66 72 10 0 7 0.06 0.0 0 7.5 20 170 M M 9 1 27 190
22 86 63 75 13 0 10 0.00 0.0 0 6.0 17 230 M M 5 12 24 230
23 82 66 74 11 0 9 0.02 0.0 0 5.1 12 240 M M 8 1 17 220
24 88 62 75 12 0 10 0.00 0.0 0 6.4 16 210 M M 8 18 24 210
25 85 70 78 14 0 13 0.12 0.0 0 12.4 26 210 M M 9 43 220
26 82 57 70 6 0 5 0.23 0.0 0 11.2 21 300 M M 5 13 29 320
27 60 48 54 -10 11 0 0.04 0.0 0 15.5 25 70 M M 10 40 80
28 49 42 46 -19 19 0 0.26 0.0 0 14.5 28 60 M M 9 3 40 40
29 67 38 53 -12 12 0 0.00 0.0 0 8.0 18 50 M M 1 26 70
30 72 38 55 -10 10 0 0.00 0.0 0 2.1 12 170 M M 6 16 170
31 70 52 61 -5 4 0 0.00 0.0 0 6.5 16 220 M M 8 23 220
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SM 2211 1556 210 86 2.36 0.0 264.6 M 213
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AV 71.3 50.2 8.5 FASTST M M 7 MAX(MPH)
MISC ----> 37 240 57 230
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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: ROCKFORD IL
MONTH: MAY
YEAR: 2021
LATITUDE: 42 12 N
LONGITUDE: 89 6 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 60.8 TOTAL FOR MONTH: 2.36 1 = FOG OR MIST
DPTR FM NORMAL: 0.4 DPTR FM NORMAL: -1.82 2 = FOG REDUCING VISIBILITY
HIGHEST: 88 ON 24, 1 GRTST 24HR 0.65 ON 3- 3 TO 1/4 MILE OR LESS
LOWEST: 34 ON 8 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: 0 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. 210 CLEAR (SCALE 0-3) 3
DPTR FM NORMAL 11 PTCLDY (SCALE 4-7) 15
TOTAL FM JUL 1 6020 CLOUDY (SCALE 8-10) 13
DPTR FM NORMAL -448
[CDD (BASE 65) ]
TOTAL THIS MO. 86
DPTR FM NORMAL 32 [PRESSURE DATA]
TOTAL FM JAN 1 100 HIGHEST SLP M ON M
DPTR FM NORMAL 39 LOWEST SLP 29.44 ON 31
[REMARKS]
#FINAL-05-21#