WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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679 CXUS51 KLWX 010815 CF6IAD PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: WASHINGTON DULLES DC MONTH: SEPTEMBER YEAR: 2024 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 86 67 77 4 0 12 0.00 0.0 0 4.1 14 200 M M 8 12 19 220 2 78 58 68 -5 0 3 0.00 0.0 0 10.3 18 360 M M 4 32 340 3 75 53 64 -9 1 0 0.00 0.0 0 7.2 15 70 M M 3 22 40 4 77 51 64 -9 1 0 0.00 0.0 0 4.6 14 70 M M 5 28 60 5 78 52 65 -7 0 0 0.00 0.0 M 3.3 13 110 M M 3 17 120 6 80 57 69 -3 0 4 0.00 0.0 0 3.3 9 150 M M 5 15 140 7 76 57 67 -5 0 2 T 0.0 0 M M M M M 6 M M 8 74 46 60 -12 5 0 0.00 0.0 0 6.3 18 300 M M 2 25 290 9 78 43 61 -10 4 0 0.00 0.0 0 2.5 14 210 M M 1 21 210 10 85 49 67 -4 0 2 0.00 0.0 0 3.2 13 360 M M 1 17 360 11 86 55 71 1 0 6 0.00 0.0 0 2.6 13 190 M M 2 17 190 12 82 57 70 0 0 5 0.00 0.0 0 3.6 12 110 M M 3 1 17 130 13 81 57 69 -1 0 4 0.00 0.0 0 4.9 13 50 M M 7 1 17 50 14 85 58 72 3 0 7 0.00 0.0 0 5.0 15 60 M M 5 1 21 100 15 82 55 69 0 0 4 0.00 0.0 0 5.8 17 80 M M 6 23 100 16 77 60 69 0 0 4 T 0.0 0 8.1 14 50 M M 9 19 30 17 79 66 73 5 0 8 0.08 0.0 0 8.2 16 60 M M 10 1 23 110 18 75 67 71 3 0 6 0.53 0.0 0 7.9 13 60 M M 10 18 20 60 19 82 66 74 6 0 9 0.00 0.0 0 5.0 12 350 M M 8 17 350 20 86 59 73 6 0 8 0.00 0.0 0 4.0 8 70 M M 2 11 110 21 83 65 74 7 0 9 0.01 0.0 0 6.2 14 160 M M 5 3 22 160 22 74 64 69 3 0 4 0.02 0.0 0 5.8 17 60 M M 9 1 23 60 23 68 62 65 -1 0 0 0.19 0.0 0 7.4 14 160 M M 10 18 20 160 24 66 61 64 -1 1 0 0.22 0.0 0 6.1 12 110 M M 10 1 16 110 25 73 64 69 4 0 4 0.06 0.0 0 6.0 12 150 M M 10 1 17 160 26 79 70 75 10 0 10 1.69 0.0 0 5.0 10 150 M M 10 13 16 150 27 77 70 74 10 0 9 0.20 0.0 0 8.9 22 110 M M 10 1 34 120 28 84 71 78 14 0 13 0.01 0.0 0 5.7 15 210 M M 7 1 23 220 29 71 66 69 6 0 4 T 0.0 0 7.4 12 70 M M 10 1 17 70 30 66 64 65 2 0 0 0.26 0.0 0 6.4 13 70 M M 10 1 17 70 ================================================================================ SM 2343 1790 12 137 3.27 0.0 164.8 M 191 ================================================================================ AV 78.1 59.7 5.7 FASTST M M 6 MAX(MPH) MISC ----> 22 110 34 120 ================================================================================ 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: SEPTEMBER YEAR: 2024 LATITUDE: 38 57 N LONGITUDE: 77 27 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 68.9 TOTAL FOR MONTH: 3.27 1 = FOG OR MIST DPTR FM NORMAL: 0.3 DPTR FM NORMAL: -0.67 2 = FOG REDUCING VISIBILITY HIGHEST: 86 ON 20,11 GRTST 24HR 1.70 ON 25-26 TO 1/4 MILE OR LESS LOWEST: 43 ON 9 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: 11 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 12 CLEAR (SCALE 0-3) 7 DPTR FM NORMAL -33 PTCLDY (SCALE 4-7) 12 TOTAL FM JUL 1 14 CLOUDY (SCALE 8-10) 11 DPTR FM NORMAL -30 [CDD (BASE 65) ] TOTAL THIS MO. 137 DPTR FM NORMAL -15 [PRESSURE DATA] TOTAL FM JAN 1 1551 HIGHEST SLP 30.45 ON 4 DPTR FM NORMAL 343 LOWEST SLP 29.76 ON 28 [REMARKS] #FINAL-09-24#