ZCZC ISNLCDAPR 000 TTAA00 KBIS 011000 PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: WILLISTON ND MONTH: APRIL 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 38 15 27 -9 38 0 0.00 0.0 T 5.3 17 340 741 96 0 22 340 2 43 17 30 -6 35 0 0.00 0.0 T 4.5 17 80 580 75 5 21 80 3 37 30 34 -3 31 0 T T T 9.0 18 70 0 0 9 23 70 4 36 25 31 -6 34 0 T T T 10.2 20 10 78 10 9 18 24 20 5 35 20 28 -10 37 0 T T 0 10.9 18 10 740 94 3 24 10 6 43 16 30 -8 35 0 0.00 0.0 0 6.9 17 160 532 67 0 22 180 7 56 23 40 1 25 0 0.00 0.0 0 6.9 18 330 777 98 2 23 330 8 50 23 37 -2 28 0 0.00 0.0 0 7.4 17 110 715 90 0 22 130 9 49 29 39 -1 26 0 0.00 0.0 0 9.3 22 110 592 74 2 26 120 10 51 35 43 3 22 0 0.00 0.0 0 14.0 26 140 325 40 6 33 120 11 59 33 46 5 19 0 0.00 0.0 0 9.2 21 160 732 91 0 28 170 12 64 38 51 10 14 0 0.00 0.0 0 7.3 23 300 476 59 3 29 320 13 69 29 49 8 16 0 0.00 0.0 0 4.9 23 280 554 68 0 1 30 290 14 69 41 55 13 10 0 T 0.0 0 10.0 21 90 307 38 3 25 80 15 66 46 56 14 9 0 0.04 0.0 0 9.1 23 150 111 14 7 29 150 16 49 37 43 0 22 0 0.13 0.0 0 12.8 21 290 0 0 10 1 25 290 17 45 34 40 -4 25 0 T 0.0 0 8.7 16 310 0 0 10 1 20 320 18 58 28 43 -1 22 0 0.02 0.0 0 6.1 16 350 409 49 6 1 22 350 19 60 30 45 1 20 0 0.00 0.0 0 13.4 29 320 814 97 1 39 320 20 65 29 47 2 18 0 T 0.0 0 2.0 12 270 663 79 6 15 260 21 67 39 53 8 12 0 0.00 0.0 0 7.2 18 320 715 85 2 24 330 22 80 36 58 13 7 0 0.00 0.0 0 9.3 25 270 845 100 0 35 270 23 54 32 43 -3 22 0 0.09 0.6 0 16.1 30 360 270 32 3 1 37 350 24 43 27 35 -11 30 0 0.00 0.0 T 6.1 13 230 308 36 7 16 200 25 57 23 40 -7 25 0 0.00 0.0 0 8.0 15 200 811 95 2 21 240 26 47 28 38 -9 27 0 0.02 0.0 0 4.4 17 130 0 0 6 1 21 130 27 48 28 38 -10 27 0 0.02 0.0 0 5.9 17 110 38 4 8 12 22 110 28 56 38 47 -1 18 0 0.21 0.0 0 14.3 23 140 302 35 4 1 30 120 29 44 33 39 -9 26 0 0.48 0.2 0 19.1 29 10 0 0 10 1 37 70 30 48 33 41 -8 24 0 0.03 T 0 17.1 28 360 90 10 8 1 36 360 ================================================================================ SM 1586 895 704 0 1.04 0.8 275.4 12525 132 ================================================================================ AV 52.9 29.8 9.2 FASTST 418 51 4 MAX(MPH) MISC ----> # 30 360 24674 51 # 39 320 ================================================================================ 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: APRIL YEAR: 2009 LATITUDE: 48 10 N LONGITUDE: 103 38 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 41.3 TOTAL FOR MONTH: 1.04 1 = FOG OR MIST DPTR FM NORMAL: -1.2 DPTR FM NORMAL: -0.01 2 = FOG REDUCING VISIBILITY HIGHEST: 80 ON 22 GRTST 24HR 0.59 ON 28-29 TO 1/4 MILE OR LESS LOWEST: 15 ON 1 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.8 INCH 5 = HAIL GRTST 24HR 0.6 ON 23 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: T ON 24 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: 0 0.10 INCH OR MORE: 3 MIN 32 OR BELOW: 18 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 704 CLEAR (SCALE 0-3) 12 DPTR FM NORMAL 44 PTCLDY (SCALE 4-7) 13 TOTAL FM JUL 1 9172 CLOUDY (SCALE 8-10) 5 DPTR FM NORMAL 558 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL -1 [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP 30.65 ON 6 DPTR FM NORMAL -1 LOWEST SLP 29.48 ON 22 [REMARKS] !--not sent--!