WFO Monthly/Daily Climate Data Issued by NWS Knoxville/Tri Cities, TN
000
CXUS54 KMRX 012000
CF6CHA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CHATTANOOGA AIRPORT
MONTH: JULY
YEAR: 2021
LATITUDE: 35 1 N
LONGITUDE: 85 12 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 87 73 80 0 0 15 0.01 0.0 0 6.0 17 160 M M 7 26 180
2 89 73 81 1 0 16 0.29 0.0 0 7.1 16 350 M M 7 1 22 350
3 83 64 74 -6 0 9 0.00 0.0 0 7.8 18 360 M M 2 8 24 20
4 89 63 76 -4 0 11 0.00 0.0 0 2.9 12 290 M M 1 18 16 290
5 92 67 80 0 0 15 0.00 0.0 0 1.8 8 190 M M 2 18 14 150
6 91 69 80 0 0 15 0.00 0.0 0 3.8 16 120 M M 5 1 21 120
7 84 73 79 -1 0 14 0.08 0.0 0 4.0 16 130 M M 7 1 24 150
8 89 71 80 0 0 15 T 0.0 0 5.2 13 240 M M 6 18 260
9 85 72 79 -2 0 14 0.91 0.0 0 4.2 26 320 M M 7 13 36 320
10 91 72 82 1 0 17 0.02 0.0 0 5.2 18 250 M M 6 3 28 260
11 90 73 82 1 0 17 0.46 0.0 0 7.0 22 190 M M 7 13 30 200
12 85 72 79 -2 0 14 0.31 0.0 0 7.1 21 170 M M 8 18 29 180
13 85 70 78 -3 0 13 0.18 0.0 0 5.8 17 200 M M 7 18 25 210
14 89 69 79 -2 0 14 0.02 0.0 0 2.9 14 270 M M 5 1 19 270
15 91 69 80 -1 0 15 0.00 0.0 0 3.1 14 200 M M 3 1 18 170
16 87 71 79 -2 0 14 T 0.0 0 3.5 24 210 M M 5 3 30 210
17 88 72 80 -1 0 15 0.08 0.0 0 4.0 17 190 M M 6 3 24 170
18 83 71 77 -4 0 12 0.60 0.0 0 3.7 17 270 M M 7 138 22 270
19 82 71 77 -4 0 12 1.20 0.0 0 3.0 9 360 M M 9 1 15 140
20 84 71 78 -3 0 13 0.49 0.0 0 4.4 14 90 M M 8 18 20 100
21 89 72 81 0 0 16 0.00 0.0 0 2.3 13 360 M M 7 15 360
22 91 69 80 -1 0 15 0.00 0.0 0 2.5 10 10 M M 1 18 15 20
23 92 69 81 0 0 16 0.00 0.0 0 2.4 8 360 M M 1 1 13 300
24 94 72 83 2 0 18 0.00 0.0 0 1.7 9 250 M M 2 18 13 230
25 91 74 83 2 0 18 0.00 0.0 0 4.3 14 210 M M 5 138 20 290
26 92 74 83 2 0 18 0.06 0.0 0 3.4 20 30 M M 6 3 27 40
27 93 73 83 2 0 18 0.00 0.0 0 3.7 13 360 M M 6 138 16 10
28 94 74 84 3 0 19 0.00 0.0 0 4.1 15 30 M M 2 20 30
29 95 71 83 2 0 18 0.00 0.0 0 2.7 12 280 M M 2 1 16 300
30 96 77 87 6 0 22 0.00 0.0 0 5.2 16 20 M M 6 138 22 20
31 93 76 85 4 0 20 0.00 0.0 0 4.0 13 280 M M 5 18 260
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SM 2764 2207 0 478 4.71 0.0 128.8 M 158
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AV 89.2 71.2 4.2 FASTST M M 5 MAX(MPH)
MISC ----> 26 320 36 320
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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: CHATTANOOGA AIRPORT
MONTH: JULY
YEAR: 2021
LATITUDE: 35 1 N
LONGITUDE: 85 12 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 80.2 TOTAL FOR MONTH: 4.71 1 = FOG OR MIST
DPTR FM NORMAL: -0.5 DPTR FM NORMAL: -0.37 2 = FOG REDUCING VISIBILITY
HIGHEST: 96 ON 30 GRTST 24HR 1.20 ON 19-19 TO 1/4 MILE OR LESS
LOWEST: 63 ON 4 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: 14
MAX 90 OR ABOVE: 15 0.10 INCH OR MORE: 8
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 9
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 20
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 478
DPTR FM NORMAL -10 [PRESSURE DATA]
TOTAL FM JAN 1 1088 HIGHEST SLP 30.28 ON 14
DPTR FM NORMAL -20 LOWEST SLP 29.83 ON 2
[REMARKS]
#FINAL-07-21#