ZCZC ISNLCDMAR 000 TTAA00 KBIS 030954 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 ================================================================================ SM 81 32 73 0 0.00 0.0 9.8 1321 5 ================================================================================ AV 40.5 16.0 4.9 FASTST 661 86 3 MAX(MPH) MISC ----> # 17 340 1550 85 # 22 340 ================================================================================ 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: 28.2 TOTAL FOR MONTH: 0.00 1 = FOG OR MIST DPTR FM NORMAL: -7.8 DPTR FM NORMAL: -0.06 2 = FOG REDUCING VISIBILITY HIGHEST: 43 ON 2 GRTST 24HR 0.00 ON 2- 2 TO 1/4 MILE OR LESS LOWEST: 15 ON 1 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: T 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: 0 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0 MIN 32 OR BELOW: 2 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 73 CLEAR (SCALE 0-3) 1 DPTR FM NORMAL 16 PTCLDY (SCALE 4-7) 1 TOTAL FM JUL 1 8541 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL 530 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP 29.85 ON 1 DPTR FM NORMAL 0 LOWEST SLP 29.70 ON 1 [REMARKS]