WFO Monthly/Daily Climate Data
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
246
CXUS54 KMRX 221030
CF6CHA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CHATTANOOGA AIRPORT
MONTH: MAY
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 80 62 71 5 0 6 0.44 0.0 0 6.1 26 190 M M 7 13 47 210
2 81 60 71 5 0 6 1.77 0.0 0 5.3 20 150 M M 7 13 31 170
3 65 53 59 -8 6 0 1.02 0.0 0 4.1 20 280 M M 7 13 31 290
4 66 51 59 -8 6 0 0.11 0.0 0 6.0 18 240 M M 7 1 24 240
5 68 53 61 -6 4 0 T 0.0 0 4.3 14 220 M M 8 1 20 240
6 77 50 64 -3 1 0 0.00 0.0 0 3.2 15 280 M M 5 1 22 260
7 64 59 62 -6 3 0 0.04 0.0 0 2.7 12 10 M M 8 18 14 360
8 83 60 72 4 0 7 0.56 T 0 2.9 25 240 M M 8 135 38 250
9 77 58 68 0 0 3 T 0.0 0 5.4 18 360 M M 7 12 28 10
10 65 59 62 -6 3 0 0.29 0.0 0 7.7 15 10 M M 7 1 21 20
11 78 58 68 -1 0 3 1.54 0.0 0 5.4 22 140 M M 9 1 34 130
12 78 63 71 2 0 6 1.08 0.0 0 5.2 17 290 M M 8 13 24 270
13 72 63 68 -1 0 3 1.48 0.0 0 3.3 15 300 M M 8 13 20 280
14 84 63 74 4 0 9 0.04 0.0 0 2.9 17 190 M M 8 1 25 190
15 84 64 74 4 0 9 0.00 0.0 0 5.8 15 200 M M 6 22 170
16 86 74 80 10 0 15 0.00 0.0 0 7.1 18 200 M M 7 25 210
17 88 65 77 7 0 12 0.50 0.0 0 8.6 23 340 M M 7 13 31 340
18 84 65 75 5 0 10 0.00 0.0 0 2.0 12 190 M M 6 16 180
19 84 69 77 6 0 12 0.17 0.0 0 3.4 14 350 M M 6 13 17 360
20 87 70 79 8 0 14 0.55 0.0 0 8.3 24 210 M M 6 13 33 230
21 82 64 73 2 0 8 0.00 0.0 0 9.0 21 280 M M 3 35 260
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SM 1633 1283 23 123 9.59 T 108.7 M 145
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AV 77.8 61.1 5.2 FASTST M M 7 MAX(MPH)
MISC ----> 26 190 47 210
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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: MAY
YEAR: 2025
LATITUDE: 35 1 N
LONGITUDE: 85 12 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 69.4 TOTAL FOR MONTH: 9.59 1 = FOG OR MIST
DPTR FM NORMAL: 0.8 DPTR FM NORMAL: 6.79 2 = FOG REDUCING VISIBILITY
HIGHEST: 88 ON 17 GRTST 24HR 2.22 ON 2- 3 TO 1/4 MILE OR LESS
LOWEST: 50 ON 6 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: T 5 = HAIL
GRTST 24HR T ON 8- 8 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: 0 0.10 INCH OR MORE: 12
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 8
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 5
[HDD (BASE 65) ]
TOTAL THIS MO. 23 CLEAR (SCALE 0-3) 1
DPTR FM NORMAL -5 PTCLDY (SCALE 4-7) 18
TOTAL FM JUL 1 2626 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL -398
[CDD (BASE 65) ]
TOTAL THIS MO. 123
DPTR FM NORMAL 19 [PRESSURE DATA]
TOTAL FM JAN 1 230 HIGHEST SLP M ON M
DPTR FM NORMAL 65 LOWEST SLP 29.71 ON 20
[REMARKS]