NZUS43 KFGF 110815 CF6WRK PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: WILLISTON BASIN AIRPORT MONTH: APRIL YEAR: 2026 LATITUDE: 48 15 N LONGITUDE: 103-45 E 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 36 26 31 M 34 0 T M M 17.1 24 150 M M 10 1 36 140 2 35 29 32 M 33 0 M M M 17.1 24 110 M M 10 1 35 80 3 42 29 36 M 29 0 M M M 9.8 13 10 M M 10 35 60 4 54 30 42 M 23 0 M M M 7.9 17 330 M M 6 22 350 5 42 23 33 M 32 0 T M M 16.6 30 350 M M 5 38 350 6 38 17 28 M 37 0 M M M 11.5 17 140 M M 5 25 140 7 65 24 45 M 20 0 0.09 M M 23.4 44 330 M M 2 1 59 330 8 34 25 30 M 35 0 T M M 24.4 40 310 M M 8 12 58 300 9 48 24 36 M 29 0 M M M 9.1 20 310 M M 7 28 310 10 61 25 43 M 22 0 M M M 8.6 15 100 M M 0 20 99 ================================================================================ SM 455 252 294 0 0.09 M 145.5 M 63 ================================================================================ AV 45.5 25.2 14.5 FASTST M M 6 MAX(MPH) MISC ----> 44 330 59 330 ================================================================================ 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 BASIN AIRPORT MONTH: APRIL YEAR: 2026 LATITUDE: 48 15 N LONGITUDE: 103-45 E [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 35.4 TOTAL FOR MONTH: 0.09 1 = FOG OR MIST DPTR FM NORMAL: 0.0 DPTR FM NORMAL: 0.09 2 = FOG REDUCING VISIBILITY HIGHEST: 65 ON 7 GRTST 24HR 0.09 ON 7- 7 TO 1/4 MILE OR LESS LOWEST: 17 ON 6 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: M 5 = HAIL GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: M ON M 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: 1 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0 MIN 32 OR BELOW: 10 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 294 CLEAR (SCALE 0-3) 2 DPTR FM NORMAL M PTCLDY (SCALE 4-7) 4 TOTAL FM JUL 1 7333 CLOUDY (SCALE 8-10) 4 DPTR FM NORMAL M [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL M [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP M ON M DPTR FM NORMAL M LOWEST SLP M ON M [REMARKS]