CXUS51 KLWX 070815 CF6DCA PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: WASHINGTON NATIONAL DC MONTH: APRIL YEAR: 2025 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 61 46 54 1 11 0 T 0.0 M 13.0 31 330 M M 3 43 330 2 61 46 54 1 11 0 0.00 0.0 0 10.1 20 130 M M 8 26 130 3 81 55 68 14 0 3 T 0.0 M 10.0 24 220 M M 9 1 35 220 4 77 64 71 17 0 6 0.04 0.0 0 8.1 21 360 M M 10 3 33 320 5 81 60 71 17 0 6 T 0.0 0 6.7 16 50 M M 9 19 40 6 65 55 60 5 5 0 0.01 0.0 0 8.3 23 360 M M 9 8 30 330 ================================================================================ SM 426 326 27 15 0.05 0.0 56.2 M 48 ================================================================================ AV 71.0 54.3 9.4 FASTST M M 8 MAX(MPH) MISC ----> 31 330 43 330 ================================================================================ 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: APRIL YEAR: 2025 LATITUDE: 38 50 N LONGITUDE: 77 2 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 62.7 TOTAL FOR MONTH: 0.05 1 = FOG OR MIST DPTR FM NORMAL: 8.8 DPTR FM NORMAL: -0.58 2 = FOG REDUCING VISIBILITY HIGHEST: 81 ON 5, 3 GRTST 24HR 1.00 ON 31- 1 TO 1/4 MILE OR LESS LOWEST: 46 ON 2, 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: 2 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0 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. 27 CLEAR (SCALE 0-3) 1 DPTR FM NORMAL -42 PTCLDY (SCALE 4-7) 0 TOTAL FM JUL 1 3118 CLOUDY (SCALE 8-10) 5 DPTR FM NORMAL -418 [CDD (BASE 65) ] TOTAL THIS MO. 15 DPTR FM NORMAL 15 [PRESSURE DATA] TOTAL FM JAN 1 40 HIGHEST SLP M ON M DPTR FM NORMAL 37 LOWEST SLP 29.67 ON 1 [REMARKS]