PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: WILLISTON ND MONTH: SEPTEMBER YEAR: 2009 LATITUDE: 48 10 N LONGITUDE: 103 38 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 53 69 6 0 4 0.00 0.0 0 5.2 13 160 755 94 0 20 150 2 84 54 69 7 0 4 0.00 0.0 0 3.6 12 90 799 100 0 16 80 3 78 52 65 3 0 0 0.00 0.0 0 7.1 16 130 796 100 0 1 22 130 4 87 58 73 12 0 8 0.00 0.0 0 5.8 15 170 760 96 0 20 130 5 92 48 70 9 0 5 0.00 0.0 0 3.2 10 50 772 98 0 14 70 6 94 60 77 17 0 12 0.00 0.0 0 8.6 18 140 754 96 0 25 150 7 77 58 68 8 0 3 0.08 0.0 0 9.0 28 330 415 53 0 13 35 330 8 71 48 60 1 5 0 0.16 0.0 0 8.5 24 280 390 50 5 1 31 300 9 83 37 60 1 5 0 0.00 0.0 0 4.8 15 210 775 100 0 18 220 10 82 43 63 5 2 0 0.01 0.0 0 5.6 37 310 283 37 1 41 310 11 70 50 60 2 5 0 T 0.0 0 14.5 26 360 56 7 5 31 350 12 72 46 59 2 6 0 T 0.0 0 6.5 16 110 547 72 6 20 130 13 79 50 65 8 0 0 0.00 0.0 0 10.3 24 140 627 82 3 30 140 14 87 60 74 18 0 9 0.03 0.0 0 6.8 17 140 734 97 0 3 24 140 15 89 52 71 15 0 6 0.00 0.0 0 3.1 15 360 634 84 0 18 18 350 16 87 53 70 14 0 5 0.00 0.0 0 5.2 12 60 751 100 0 15 40 17 93 57 75 20 0 10 0.00 0.0 0 4.1 10 150 747 100 0 15 150 18 91 50 71 16 0 6 0.00 0.0 0 3.7 13 230 744 100 0 15 220 19 93 48 71 17 0 6 0.00 0.0 0 6.0 16 140 741 100 0 22 150 20 80 49 65 11 0 0 0.02 0.0 0 10.4 28 320 409 55 3 37 310 21 63 43 53 -1 12 0 0.05 0.0 0 19.0 31 330 165 22 7 39 330 22 77 31 54 1 11 0 0.00 0.0 0 4.5 16 280 692 95 0 21 300 23 85 42 64 11 1 0 0.00 0.0 0 5.2 16 250 698 96 0 8 21 250 24 87 42 65 13 0 0 0.00 0.0 0 2.8 13 140 636 88 0 16 140 25 82 46 64 12 1 0 0.00 0.0 0 M M M 720 100 0 M M 26 86 39 63 11 2 0 T 0.0 0 8.9 26 310 716 100 0 36 250 27 61 46 54 3 11 0 T 0.0 0 23.4 38 310 384 54 5 51 300 28 60 39 50 -1 15 0 0.00 0.0 0 8.2 17 330 629 89 3 22 310 29 70 44 57 6 8 0 0.00 0.0 0 16.8 28 130 676 96 0 38 140 30 69 47 58 7 7 0 0.02 0.0 0 10.8 24 290 500 71 0 29 320 ================================================================================ SM 2413 1445 91 78 0.37 0.0 231.6 18305 38 ================================================================================ AV 80.4 48.2 8.0 FASTST 610 81 1 MAX(MPH) MISC ----> # 38 310 # 51 300 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: WILLISTON ND MONTH: SEPTEMBER YEAR: 2009 LATITUDE: 48 10 N LONGITUDE: 103 38 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 64.3 TOTAL FOR MONTH: 0.37 1 = FOG OR MIST DPTR FM NORMAL: 8.2 DPTR FM NORMAL: -0.98 2 = FOG REDUCING VISIBILITY HIGHEST: 94 ON 6 GRTST 24HR 0.23 ON 7- 8 TO 1/4 MILE OR LESS LOWEST: 31 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: 7 MAX 90 OR ABOVE: 5 0.10 INCH OR MORE: 1 MIN 32 OR BELOW: 1 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 91 CLEAR (SCALE 0-3) 24 DPTR FM NORMAL -183 PTCLDY (SCALE 4-7) 6 TOTAL FM JUL 1 202 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL -145 [CDD (BASE 65) ] TOTAL THIS MO. 78 DPTR FM NORMAL 55 [PRESSURE DATA] TOTAL FM JAN 1 296 HIGHEST SLP 30.33 ON 22 DPTR FM NORMAL -167 LOWEST SLP 29.44 ON 30 [REMARKS]