CXUS53 KBIS 150830 CF6XWA PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: WILLISTON BASIN AIRPORT MONTH: APRIL YEAR: 2026 LATITUDE: 48 15 N LONGITUDE: 103 45 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 36 26 31 M 34 0 T M M 17.1 28 140 M M 10 1 35 130 2 35 29 32 M 33 0 0.00 M M 17.2 23 100 M M 10 1 34 80 3 42 29 36 M 29 0 0.00 M M 10.1 18 80 M M 10 34 60 4 54 30 42 M 23 0 0.00 M M 8.1 20 330 M M 6 26 330 5 42 23 33 M 32 0 T M M 16.6 31 350 M M 5 38 350 6 38 17 28 M 37 0 0.00 M M 11.7 20 140 M M 5 28 110 7 65 24 45 M 20 0 0.09 M M 23.4 44 330 M M 2 1 58 330 8 34 25 30 M 35 0 T M M 24.1 45 310 M M 8 12 58 310 9 48 24 36 M 29 0 0.00 M M 8.7 21 330 M M 7 28 320 10 61 25 43 M 22 0 0.00 M M 9.2 16 100 M M 0 24 190 11 76 38 57 M 8 0 T M M 13.4 33 290 M M 0 43 290 12 65 34 50 M 15 0 0.01 M M 15.6 33 300 M M 3 46 290 13 50 32 41 M 24 0 0.04 M M 10.6 17 110 M M 9 1 23 110 14 66 40 53 M 12 0 0.00 M M 8.0 21 250 M M 5 12 30 260 ================================================================================ SM 712 396 353 0 0.14 M 193.8 M 80 ================================================================================ AV 50.9 28.3 13.8 FASTST M M 6 MAX(MPH) MISC ----> 45 310 # 58 330 ================================================================================ 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 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 39.6 TOTAL FOR MONTH: 0.14 1 = FOG OR MIST DPTR FM NORMAL: 0.0 DPTR FM NORMAL: 0.14 2 = FOG REDUCING VISIBILITY HIGHEST: 76 ON 11 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: 3 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0 MIN 32 OR BELOW: 11 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 353 CLEAR (SCALE 0-3) 4 DPTR FM NORMAL M PTCLDY (SCALE 4-7) 5 TOTAL FM JUL 1 7388 CLOUDY (SCALE 8-10) 5 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 29.39 ON 12 [REMARKS]