000 CXUS51 KLWX 250620 CF6IAD PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: WASHINGTON DULLES DC MONTH: NOVEMBER YEAR: 2009 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 57 50 54 4 11 0 0.65 0.0 0 6.0 15 330 M M 9 1 29 330 2 62 41 52 3 13 0 0.00 0.0 0 4.1 10 350 M M 5 13 350 3 66 37 52 3 13 0 0.00 0.0 0 5.6 23 320 M M 2 1 28 310 4 54 32 43 -6 22 0 0.00 0.0 0 3.1 12 230 M M 5 8 15 130 5 57 32 45 -3 20 0 T 0.0 0 7.2 25 300 M M 6 8 35 290 6 52 31 42 -6 23 0 0.00 0.0 0 8.1 22 310 M M 1 29 330 7 61 29 45 -3 20 0 0.00 0.0 0 4.8 15 180 M M 3 21 180 8 75 35 55 7 10 0 0.00 0.0 0 1.1 5 50 M M 0 8 300 9 73 39 56 9 9 0 0.00 0.0 0 3.0 13 200 M M 5 18 20 100 10 68 48 58 11 7 0 0.00 0.0 0 4.0 12 360 M M 10 18 15 20 11 58 45 52 5 13 0 0.95 0.0 0 11.2 17 20 M M 10 1 25 360 12 52 43 48 2 17 0 0.40 0.0 0 13.5 23 10 M M 10 1 29 20 13 56 49 53 7 12 0 0.34 0.0 0 13.0 20 350 M M 10 1 28 10 14 59 46 53 7 12 0 0.04 0.0 0 7.5 14 330 M M 8 18 18 360 15 72 41 57 12 8 0 0.00 0.0 0 2.5 15 310 M M 4 12 18 320 16 69 44 57 12 8 0 0.00 0.0 0 4.0 12 20 M M 2 1 14 30 17 61 39 50 5 15 0 0.00 0.0 0 3.7 10 50 M M 6 14 90 18 58 40 49 5 16 0 T M 0 7.4 14 90 M M 8 17 110 19 61 52 57 13 8 0 0.33 0.0 0 6.1 15 90 M M 10 1 18 110 20 60 42 51 7 14 0 0.00 0.0 0 8.8 24 320 M M 3 29 320 21 61 38 50 6 15 0 0.00 0.0 0 3.9 16 330 M M 6 20 340 22 59 36 48 5 17 0 0.00 0.0 0 3.0 14 40 M M 1 18 17 30 23 51 41 46 3 19 0 0.43 M 0 7.2 13 360 M M 9 18 16 360 24 53 47 50 7 15 0 0.14 0.0 0 5.7 12 340 M M 10 1 16 10 ================================================================================ SM 1455 977 337 0 3.28 0.0 144.5 M 143 ================================================================================ AV 60.6 40.7 6.0 FASTST M M 6 MAX(MPH) MISC ----> # 25 300 # 35 290 ================================================================================ 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: NOVEMBER YEAR: 2009 LATITUDE: 38 57 N LONGITUDE: 77 27 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 50.7 TOTAL FOR MONTH: 3.28 1 = FOG OR MIST DPTR FM NORMAL: 4.5 DPTR FM NORMAL: 0.63 2 = FOG REDUCING VISIBILITY HIGHEST: 75 ON 8 GRTST 24HR 1.02 ON 11-12 TO 1/4 MILE OR LESS LOWEST: 29 ON 7 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: 8 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7 MIN 32 OR BELOW: 4 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 337 CLEAR (SCALE 0-3) 7 DPTR FM NORMAL -112 PTCLDY (SCALE 4-7) 8 TOTAL FM JUL 1 624 CLOUDY (SCALE 8-10) 9 DPTR FM NORMAL -213 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 1259 HIGHEST SLP M ON M DPTR FM NORMAL 187 LOWEST SLP 29.85 ON M [REMARKS]