


WFO Monthly/Daily Climate Data
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
946 CXUS54 KMRX 261030 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 17 78 42 60 -2 5 0 0.00 0.0 0 2.4 14 150 M M 4 21 140 18 84 49 67 5 0 2 0.00 0.0 0 6.0 23 190 M M 4 31 200 19 87 59 73 10 0 8 0.00 0.0 0 5.6 16 170 M M 6 22 140 20 85 61 73 10 0 8 0.00 0.0 0 4.8 15 160 M M 6 23 160 21 78 60 69 6 0 4 0.17 0.0 0 4.4 18 170 M M 5 18 30 170 22 72 64 68 4 0 3 0.46 0.0 0 2.2 9 170 M M 9 138 12 180 23 78 61 70 6 0 5 0.19 0.0 0 2.4 14 130 M M 8 123 19 130 24 68 62 65 1 0 0 1.07 0.0 M 2.5 13 10 M M 8 123 17 20 25 78 62 70 6 0 5 0.14 0.0 0 3.3 18 230 M M 9 1238 23 190 ================================================================================ SM 1892 1310 95 75 4.87 0.0 143.6 M 132 ================================================================================ AV 75.7 52.4 5.7 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: 64.0 TOTAL FOR MONTH: 4.87 1 = FOG OR MIST DPTR FM NORMAL: 3.0 DPTR FM NORMAL: 0.81 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: 8 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 2 [HDD (BASE 65) ] TOTAL THIS MO. 95 CLEAR (SCALE 0-3) 6 DPTR FM NORMAL -40 PTCLDY (SCALE 4-7) 13 TOTAL FM JUL 1 2603 CLOUDY (SCALE 8-10) 6 DPTR FM NORMAL -381 [CDD (BASE 65) ] TOTAL THIS MO. 75 DPTR FM NORMAL 39 [PRESSURE DATA] TOTAL FM JAN 1 83 HIGHEST SLP M ON M DPTR FM NORMAL 36 LOWEST SLP 29.67 ON 7 [REMARKS]