CXUS51 KLWX 190815 CF6DCA PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: WASHINGTON NATIONAL DC MONTH: MAY YEAR: 2026 LATITUDE: 38 50 N LONGITUDE: 77 2 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 67 44 56 -7 9 0 0.01 0.0 0 8.1 18 180 M M 5 25 200 2 63 49 56 -8 9 0 0.00 0.0 0 11.8 22 330 M M 7 28 330 3 64 44 54 -10 11 0 0.00 0.0 0 11.0 23 330 M M 3 37 340 4 77 51 64 0 1 0 0.00 0.0 0 10.4 23 200 M M 6 33 220 5 86 61 74 10 0 9 0.00 0.0 0 14.9 31 210 M M 5 40 210 6 71 59 65 0 0 0 0.24 0.0 0 14.0 28 200 M M 9 18 37 200 7 63 51 57 -8 8 0 0.02 0.0 0 9.2 17 170 M M 7 18 23 20 8 74 48 61 -4 4 0 0.00 0.0 0 8.4 22 230 M M 3 35 220 9 76 59 68 3 0 3 T 0.0 0 10.0 18 210 M M 7 8 28 210 10 82 55 69 3 0 4 0.03 0.0 0 6.6 23 320 M M 4 18 30 330 11 64 49 57 -9 8 0 0.18 0.0 0 6.6 20 360 M M 7 25 20 12 71 46 59 -7 6 0 0.00 0.0 0 7.4 16 190 M M 3 22 210 13 77 57 67 1 0 2 0.45 0.0 0 14.1 28 200 M M 6 138 40 200 14 63 52 58 -9 7 0 T 0.0 0 11.2 22 340 M M 9 32 300 15 73 52 63 -4 2 0 0.00 0.0 0 9.4 22 340 M M 6 30 350 16 85 54 70 3 0 5 0.00 0.0 0 7.5 17 200 M M 4 25 220 17 89 64 77 10 0 12 T 0.0 0 5.5 14 290 M M 5 21 350 18 93 67 80 12 0 15 0.00 0.0 0 7.2 13 170 M M 4 15 180 ================================================================================ SM 1338 962 65 50 0.93 0.0 173.3 M 100 ================================================================================ AV 74.3 53.4 9.6 FASTST M M 6 MAX(MPH) MISC ----> 31 210 # 40 210 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: WASHINGTON NATIONAL DC MONTH: MAY YEAR: 2026 LATITUDE: 38 50 N LONGITUDE: 77 2 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 63.9 TOTAL FOR MONTH: 0.93 1 = FOG OR MIST DPTR FM NORMAL: -1.6 DPTR FM NORMAL: -1.34 2 = FOG REDUCING VISIBILITY HIGHEST: 93 ON 18 GRTST 24HR 0.45 ON 13-13 TO 1/4 MILE OR LESS LOWEST: 44 ON 3, 1 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: 6 MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 3 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 65 CLEAR (SCALE 0-3) 3 DPTR FM NORMAL 18 PTCLDY (SCALE 4-7) 13 TOTAL FM JUL 1 3844 CLOUDY (SCALE 8-10) 2 DPTR FM NORMAL 94 [CDD (BASE 65) ] TOTAL THIS MO. 50 DPTR FM NORMAL -5 [PRESSURE DATA] TOTAL FM JAN 1 152 HIGHEST SLP M ON M DPTR FM NORMAL 62 LOWEST SLP 29.75 ON 6 [REMARKS]