CXUS51 KLWX 180915 CF6IAD PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: WASHINGTON DULLES DC MONTH: FEBRUARY YEAR: 2026 LATITUDE: 38 57 N LONGITUDE: 77 27 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 27 12 20 -14 45 0 0.00 0.0 6 17.6 26 320 M M 5 38 330 2 34 17 26 -8 39 0 0.00 0.0 6 8.1 20 320 M M 2 28 330 3 40 23 32 -2 33 0 0.00 0.0 6 2.2 10 190 M M 8 14 190 4 35 27 31 -3 34 0 0.00 0.0 6 7.8 13 360 M M 8 20 350 5 33 11 22 -13 43 0 0.00 0.0 6 3.9 12 10 M M 1 20 340 6 33 9 21 -14 44 0 0.01 0.3 6 3.6 20 290 M M 8 1 26 310 7 33 15 24 -11 41 0 T 0.1 6 22.7 36 300 M M 3 52 300 8 25 11 18 -17 47 0 0.00 0.0 6 13.3 24 320 M M 1 36 320 9 32 8 20 -15 45 0 0.00 0.0 6 4.1 14 330 M M 4 19 340 10 48 25 37 2 28 0 0.00 0.0 5 3.7 13 180 M M 6 17 170 11 46 36 41 5 24 0 0.00 0.0 4 11.5 23 300 M M 6 34 310 12 37 29 33 -3 32 0 0.00 0.0 3 12.9 25 310 M M 7 37 320 13 39 23 31 -5 34 0 0.00 0.0 3 6.9 16 310 M M 1 23 310 14 57 22 40 4 25 0 0.00 0.0 2 4.3 13 280 M M 3 19 290 15 46 30 38 2 27 0 0.59 0.0 1 2.6 9 20 M M 10 1 12 20 16 47 31 39 3 26 0 T 0.0 0 6.3 16 360 M M 7 1 23 360 17 53 31 42 5 23 0 0.00 0.0 0 3.9 9 200 M M 8 12 14 200 ================================================================================ SM 665 360 590 0 0.60 0.4 135.4 M 88 ================================================================================ AV 39.1 21.2 8.0 FASTST M M 5 MAX(MPH) MISC ----> 36 300 52 300 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: WASHINGTON DULLES DC MONTH: FEBRUARY YEAR: 2026 LATITUDE: 38 57 N LONGITUDE: 77 27 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 30.1 TOTAL FOR MONTH: 0.60 1 = FOG OR MIST DPTR FM NORMAL: -5.1 DPTR FM NORMAL: -0.96 2 = FOG REDUCING VISIBILITY HIGHEST: 57 ON 14 GRTST 24HR 0.59 ON 15-15 TO 1/4 MILE OR LESS LOWEST: 8 ON 9 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.4 INCH 5 = HAIL GRTST 24HR 0.3 ON 6- 6 6 = FREEZING RAIN OR DRIZZLEGRTST DEPTH: 6 ON 9, 8 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: 3 0.01 INCH OR MORE: 2 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1 MIN 32 OR BELOW: 16 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 590 CLEAR (SCALE 0-3) 6 DPTR FM NORMAL 86 PTCLDY (SCALE 4-7) 10 TOTAL FM JUL 1 3375 CLOUDY (SCALE 8-10) 1 DPTR FM NORMAL 162 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP M ON M DPTR FM NORMAL 0 LOWEST SLP 29.64 ON 6 [REMARKS]