808 CXUS51 KLWX 110620 CF6IAD PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: WASHINGTON DULLES DC MONTH: OCTOBER YEAR: 2018 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 84 61 73 12 0 8 0.00 0.0 0 5.5 10 150 M M 3 14 200 2 84 65 75 14 0 10 0.00 0.0 0 7.2 15 190 M M 7 19 220 3 86 65 76 15 0 11 0.00 0.0 0 3.9 15 290 M M 6 1 20 270 4 89 63 76 16 0 11 0.00 0.0 0 3.6 13 190 M M 6 12 17 190 5 76 62 69 9 0 4 T 0.0 0 6.8 15 10 M M 8 1 19 360 6 72 63 68 9 0 3 0.00 0.0 0 4.2 12 200 M M 9 1 13 210 7 84 68 76 17 0 11 0.00 0.0 0 3.8 9 210 M M 5 12 12 220 8 84 66 75 16 0 10 0.00 0.0 0 4.2 14 160 M M 5 12 19 140 9 82 69 76 18 0 11 0.00 0.0 0 4.7 13 160 M M 7 1 17 170 10 83 69 76 18 0 11 0.01 0.0 0 6.5 15 200 M M 9 1 18 210 ================================================================================ SM 824 651 0 90 0.01 0.0 50.4 M 65 ================================================================================ AV 82.4 65.1 5.0 FASTST M M 7 MAX(MPH) MISC ----> # 15 190 # 20 270 ================================================================================ 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: OCTOBER YEAR: 2018 LATITUDE: 38 57 N LONGITUDE: 77 27 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 73.8 TOTAL FOR MONTH: 0.01 1 = FOG OR MIST DPTR FM NORMAL: 14.2 DPTR FM NORMAL: -1.05 2 = FOG REDUCING VISIBILITY HIGHEST: 89 ON 4 GRTST 24HR 0.01 ON 10-10 TO 1/4 MILE OR LESS LOWEST: 61 ON 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: 1 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. 0 CLEAR (SCALE 0-3) 1 DPTR FM NORMAL -66 PTCLDY (SCALE 4-7) 7 TOTAL FM JUL 1 13 CLOUDY (SCALE 8-10) 2 DPTR FM NORMAL -111 [CDD (BASE 65) ] TOTAL THIS MO. 90 DPTR FM NORMAL 78 [PRESSURE DATA] TOTAL FM JAN 1 1515 HIGHEST SLP M ON M DPTR FM NORMAL 346 LOWEST SLP 29.87 ON 10 [REMARKS]