PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: WASHINGTON NATIONAL MONTH: AUGUST YEAR: 2007 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 AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 93 70 82 3 0 17 0.00 0.0 0 4.6 13 120 M M 3 18 100 2 94 74 84 5 0 19 0.00 0.0 0 8.1 15 170 M M 1 17 180 3 93 74 84 5 0 19 0.00 0.0 0 8.2 14 190 M M 4 17 200 4 98 73 86 7 0 21 0.00 0.0 0 4.9 14 340 M M 3 8 20 320 5 90 73 82 3 0 17 0.09 0.0 0 6.0 24 160 M M 9 18 31 160 6 94 73 84 5 0 19 0.22 0.0 0 7.5 16 270 M M 7 18 20 260 7 96 78 87 8 0 22 0.00 0.0 0 6.0 14 160 M M 6 18 16 220 8 102 80 91 12 0 26 0.00 0.0 0 9.9 22 330 M M 8 18 29 340 9 94 76 85 7 0 20 0.10 0.0 0 8.1 33 360 M M 8 13 40 360 10 92 73 83 5 0 18 T 0.0 0 9.3 25 60 M M 6 1 30 60 11 88 67 78 0 0 13 0.00 0.0 0 7.6 14 120 M M 5 8 23 360 12 90 67 79 1 0 14 0.00 0.0 0 6.4 15 190 M M 3 18 210 13 93 74 84 6 0 19 0.00 0.0 0 10.4 21 330 M M 3 24 320 14 89 69 79 1 0 14 0.00 0.0 0 7.1 13 120 M M 3 17 320 15 92 68 80 2 0 15 0.00 0.0 0 7.1 16 210 M M 4 8 23 170 16 89 73 81 3 0 16 0.07 0.0 0 5.4 29 300 M M 7 138 40 290 17 94 72 83 6 0 18 0.08 0.0 0 10.3 24 240 M M 5 13 31 260 18 83 69 76 -1 0 11 0.00 0.0 0 8.0 17 330 M M 4 24 340 19 82 67 75 -2 0 10 T 0.0 0 7.9 16 30 M M 10 20 50 20 72 64 68 -9 0 3 0.66 0.0 0 7.2 18 360 M M 9 13 23 360 21 71 65 68 -9 0 3 1.46 0.0 0 7.5 22 310 M M 10 13 28 320 22 73 63 68 -9 0 3 T 0.0 0 7.3 13 60 M M 10 18 16 70 23 77 68 73 -3 0 8 0.00 0.0 0 4.1 14 50 M M 10 18 29 30 24 89 73 81 5 0 16 0.00 0.0 0 8.2 14 160 M M 7 18 16 170 25 94 73 84 8 0 19 0.59 0.0 0 8.6 32 190 M M 4 138 44 180 26 88 72 80 4 0 15 0.20 0.0 0 5.8 20 130 M M 8 1 25 130 27 87 71 79 3 0 14 0.00 0.0 0 5.6 14 20 M M 3 35 70 28 84 70 77 1 0 12 0.00 0.0 0 5.3 14 130 M M 5 20 160 29 84 72 78 3 0 13 0.00 0.0 0 4.9 13 170 M M 8 15 170 30 84 72 78 3 0 13 0.00 0.0 0 6.4 13 170 M M 7 M M 31 87 72 80 5 0 15 0.00 0.0 0 9.5 16 360 M M 5 8 21 10 ================================================================================ SM 2736 2205 0 462 3.47 0.0 223.2 M 185 ================================================================================ AV 88.3 71.1 7.2 FASTST PSBL % 6 MAX(MPH) MISC ----> # 33 360 # 44 180 ================================================================================ 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 MONTH: AUGUST YEAR: 2007 LATITUDE: 38 50 N LONGITUDE: 77 2 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 79.7 TOTAL FOR MONTH: 3.47 1 = FOG OR MIST DPTR FM NORMAL: 2.3 DPTR FM NORMAL: 0.03 2 = FOG REDUCING VISIBILITY HIGHEST: 102 ON 8 GRTST 24HR 1.46 ON 21-21 TO 1/4 MILE OR LESS LOWEST: 63 ON 22 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: 9 MAX 90 OR ABOVE: 15 0.10 INCH OR MORE: 6 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 5 DPTR FM NORMAL -7 PTCLDY (SCALE 4-7) 19 TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 7 DPTR FM NORMAL -7 [CDD (BASE 65) ] TOTAL THIS MO. 462 DPTR FM NORMAL 55 [PRESSURE DATA] TOTAL FM JAN 1 1428 HIGHEST SLP M ON M DPTR FM NORMAL 129 LOWEST SLP 29.74 ON 8 [REMARKS] #FINAL-08-07#