


WFO Monthly/Daily Climate Data
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
630 CXUS54 KMRX 061030 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 ================================================================================ 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 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 ================================================================================ SM 360 279 16 12 3.34 0.0 25.8 M 36 ================================================================================ AV 72.0 55.8 5.2 FASTST M M 7 MAX(MPH) MISC ----> 26 190 47 210 ================================================================================ 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: 63.9 TOTAL FOR MONTH: 3.34 1 = FOG OR MIST DPTR FM NORMAL: -2.7 DPTR FM NORMAL: 2.57 2 = FOG REDUCING VISIBILITY HIGHEST: 81 ON 2 GRTST 24HR 2.22 ON 2- 3 TO 1/4 MILE OR LESS LOWEST: 51 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: 4 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 4 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. 16 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL 6 PTCLDY (SCALE 4-7) 5 TOTAL FM JUL 1 2619 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL -387 [CDD (BASE 65) ] TOTAL THIS MO. 12 DPTR FM NORMAL -6 [PRESSURE DATA] TOTAL FM JAN 1 119 HIGHEST SLP M ON M DPTR FM NORMAL 40 LOWEST SLP 29.76 ON 3 [REMARKS]