PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: WILLISTON ND MONTH: FEBRUARY 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 22 11 17 6 48 0 0.00 0.0 8 20.0 26 280 511 89 0 31 290 2 15 -13 1 -11 64 0 0.03 1.2 8 5.2 17 300 405 70 2 1 21 300 3 18 4 11 -1 54 0 0.03 0.4 9 3.5 9 190 126 22 9 12 12 180 4 38 5 22 9 43 0 0.00 0.0 9 5.1 20 240 441 76 0 22 250 5 38 7 23 10 42 0 0.00 0.0 9 2.4 8 280 537 92 0 8 180 6 34 14 24 11 41 0 0.00 0.0 8 2.2 18 280 429 73 1 1 21 280 7 25 12 19 5 46 0 T T 7 5.8 20 310 281 48 7 1 22 320 8 36 8 22 8 43 0 0.00 0.0 7 2.8 16 230 594 100 1 12 20 230 9 36 30 33 18 32 0 0.68 5.4 7 7.5 17 310 0 0 10 126 20 310 10 32 21 27 12 38 0 0.32 3.7 14 21.3 30 310 0 0 10 19 37 310 11 30 8 19 4 46 0 T T 15 12.9 25 310 217 36 6 189 30 310 12 17 -1 8 -8 57 0 T T 15 4.8 15 320 547 90 2 17 330 13 6 -13 -3 -19 68 0 T T 15 0.7 7 40 387 63 2 18 8 50 14 7 -14 -3 -20 68 0 T T 15 5.6 13 30 0 0 10 18 15 20 15 13 -16 -1 -18 66 0 0.07 1.3 15 3.8 9 340 492 80 7 18 12 110 16 17 -17 0 -17 65 0 T T 15 4.8 15 140 69 11 6 18 20 120 17 15 1 8 -10 57 0 0.01 0.1 15 6.8 13 10 0 0 10 128 15 10 18 11 -15 -2 -20 67 0 T T 15 1.8 10 340 561 89 4 18 12 340 19 15 -12 2 -17 63 0 0.02 0.3 15 2.7 12 270 489 78 3 1 15 300 20 20 -6 7 -12 58 0 0.18 3.2 17 15.3 30 330 546 86 5 19 36 320 21 20 -3 9 -10 56 0 0.00 0.0 17 3.5 9 230 595 93 1 12 230 22 16 -5 6 -14 59 0 0.00 0.0 17 5.6 15 120 532 83 4 18 130 23 27 5 16 -4 49 0 0.00 0.0 17 5.8 14 150 228 35 2 17 150 24 26 13 20 -1 45 0 T T 17 7.2 16 120 171 26 8 1 20 150 25 15 1 8 -13 57 0 0.03 0.4 17 9.7 16 40 170 26 9 1 18 40 26 2 -8 -3 -24 68 0 0.02 0.5 17 9.7 15 40 198 30 10 17 40 27 7 -8 0 -22 65 0 0.01 0.2 17 7.2 14 190 272 41 6 17 190 28 8 -17 -4 -26 69 0 0.00 0.0 17 3.6 14 300 661 100 0 16 300 ================================================================================ SM 566 -8 1534 0 1.40 16.7 187.3 9459 135 ================================================================================ AV 20.2 -0.3 6.7 FASTST 338 55 5 MAX(MPH) MISC ----> # 30 310 # 37 310 ================================================================================ 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: FEBRUARY YEAR: 2009 LATITUDE: 48 10 N LONGITUDE: 103 38 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 10.0 TOTAL FOR MONTH: 1.40 1 = FOG OR MIST DPTR FM NORMAL: -6.8 DPTR FM NORMAL: 1.01 2 = FOG REDUCING VISIBILITY HIGHEST: 38 ON 5, 4 GRTST 24HR 0.96 ON 9-10 TO 1/4 MILE OR LESS LOWEST: -17 ON 28,16 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 16.7 INCHES 5 = HAIL GRTST 24HR 5.4 ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 17 ON 28,27 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: 23 0.01 INCH OR MORE: 11 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 3 MIN 32 OR BELOW: 28 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 14 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 1534 CLEAR (SCALE 0-3) 12 DPTR FM NORMAL 198 PTCLDY (SCALE 4-7) 9 TOTAL FM JUL 1 7099 CLOUDY (SCALE 8-10) 7 DPTR FM NORMAL 254 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP 30.85 ON 28 DPTR FM NORMAL 0 LOWEST SLP 29.30 ON 10 [REMARKS]