WFO Monthly/Daily Climate Data
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
308
CXUS54 KMRX 181030
CF6CHA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CHATTANOOGA AIRPORT
MONTH: APRIL
YEAR: 2025
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 69 46 58 0 7 0 0.00 0.0 0 7.0 15 340 M M 7 20 350
2 80 54 67 9 0 2 0.00 0.0 0 6.5 20 130 M M 8 31 150
3 85 63 74 16 0 9 T 0.0 0 8.4 21 170 M M 7 32 160
4 88 68 78 20 0 13 0.00 0.0 0 8.2 21 200 M M 4 31 190
5 87 63 75 16 0 10 0.00 0.0 0 7.9 21 190 M M 6 32 220
6 76 61 69 10 0 4 2.71 0.0 0 3.2 37 300 M M 9 138 51 320
7 63 45 54 -5 11 0 0.05 0.0 0 6.3 20 330 M M 8 1 27 310
8 59 41 50 -10 15 0 0.00 0.0 0 7.3 16 340 M M 1 25 340
9 69 37 53 -7 12 0 0.00 0.0 0 4.7 12 20 M M 1 16 30
10 77 48 63 3 2 0 0.08 0.0 0 6.3 26 300 M M 6 3 40 300
11 64 45 55 -5 10 0 T 0.0 0 9.4 24 360 M M 6 12 31 10
12 64 41 53 -8 12 0 0.00 0.0 0 8.8 17 30 M M 1 24 50
13 73 38 56 -5 9 0 0.00 0.0 0 3.3 13 190 M M 2 19 180
14 85 49 67 6 0 2 0.00 0.0 0 9.4 23 210 M M 2 32 200
15 73 49 61 -1 4 0 0.00 0.0 0 11.4 26 320 M M 4 34 300
16 72 42 57 -5 8 0 0.00 0.0 0 1.9 14 20 M M 1 20 350
17 78 42 60 -2 5 0 0.00 0.0 0 2.4 14 150 M M 4 21 140
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SM 1262 832 95 40 2.84 0.0 112.4 M 77
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AV 74.2 48.9 6.6 FASTST M M 5 MAX(MPH)
MISC ----> 37 300 51 320
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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: APRIL
YEAR: 2025
LATITUDE: 35 1 N
LONGITUDE: 85 12 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 61.6 TOTAL FOR MONTH: 2.84 1 = FOG OR MIST
DPTR FM NORMAL: 1.7 DPTR FM NORMAL: 0.09 2 = FOG REDUCING VISIBILITY
HIGHEST: 88 ON 4 GRTST 24HR 2.76 ON 6- 7 TO 1/4 MILE OR LESS
LOWEST: 37 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: 3
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 95 CLEAR (SCALE 0-3) 6
DPTR FM NORMAL -12 PTCLDY (SCALE 4-7) 8
TOTAL FM JUL 1 2603 CLOUDY (SCALE 8-10) 3
DPTR FM NORMAL -353
[CDD (BASE 65) ]
TOTAL THIS MO. 40
DPTR FM NORMAL 20 [PRESSURE DATA]
TOTAL FM JAN 1 48 HIGHEST SLP M ON M
DPTR FM NORMAL 17 LOWEST SLP 29.67 ON 7
[REMARKS]