


WFO Monthly/Daily Climate Data
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
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043 CXUS54 KMRX 171030 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 ================================================================================ 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 ================================================================================ 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 ================================================================================ SM 1184 790 90 40 2.84 0.0 110.0 M 73 ================================================================================ AV 74.0 49.4 6.9 FASTST M M 5 MAX(MPH) MISC ----> 37 300 51 320 ================================================================================ 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: 61.7 TOTAL FOR MONTH: 2.84 1 = FOG OR MIST DPTR FM NORMAL: 1.9 DPTR FM NORMAL: 0.24 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. 90 CLEAR (SCALE 0-3) 6 DPTR FM NORMAL -13 PTCLDY (SCALE 4-7) 7 TOTAL FM JUL 1 2598 CLOUDY (SCALE 8-10) 3 DPTR FM NORMAL -354 [CDD (BASE 65) ] TOTAL THIS MO. 40 DPTR FM NORMAL 22 [PRESSURE DATA] TOTAL FM JAN 1 48 HIGHEST SLP M ON M DPTR FM NORMAL 19 LOWEST SLP 29.67 ON 7 [REMARKS]