CXUS55 KRIW 151010 CF6P60 PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: LAKE YELLOWSTONE WY MONTH: APRIL YEAR: 2026 LATITUDE: 44 32 N LONGITUDE: 110 25 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 42 31 37 12 28 0 0.03 M M 1.4 10 280 M M 0 17 200 2 34 20 27 2 38 0 0.35 M M 3.2 17 270 M M 0 30 260 3 32 19 26 0 39 0 0.07 M M 4.0 13 280 M M 0 22 270 4 42 18 30 4 35 0 0.00 M M 2.6 12 310 M M 0 22 280 5 50 19 35 9 30 0 0.00 M M 0.6 8 210 M M 0 14 200 6 48 22 35 9 30 0 0.00 M M 0.8 17 270 M M 0 32 260 7 53 23 38 12 27 0 0.00 M M 6.0 20 270 M M 0 33 260 8 50 27 39 12 26 0 0.00 M M 4.8 16 280 M M 0 28 300 9 52 25 39 12 26 0 0.00 M M 3.0 17 280 M M 0 27 280 10 52 23 38 11 27 0 0.00 M M 1.6 16 270 M M 0 32 300 11 53 28 41 14 24 0 0.20 M M 1.9 13 270 M M 0 23 220 12 45 27 36 8 29 0 0.04 M M 1.4 15 270 M M 0 25 290 13 38 27 33 5 32 0 0.06 M M 3.7 15 250 M M 0 29 250 14 40 28 34 6 31 0 0.00 M M 2.4 15 280 M M 0 28 240 ================================================================================ SM 631 337 422 0 0.75 M 37.4 M 0 ================================================================================ AV 45.1 24.1 2.7 FASTST M M 0 MAX(MPH) MISC ----> 20 270 33 260 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: LAKE YELLOWSTONE WY MONTH: APRIL YEAR: 2026 LATITUDE: 44 32 N LONGITUDE: 110 25 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 34.6 TOTAL FOR MONTH: 0.75 1 = FOG OR MIST DPTR FM NORMAL: 8.0 DPTR FM NORMAL: -0.37 2 = FOG REDUCING VISIBILITY HIGHEST: 53 ON 11, 7 GRTST 24HR 0.35 ON 2- 2 TO 1/4 MILE OR LESS LOWEST: 18 ON 4 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: 1 0.01 INCH OR MORE: 6 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 2 MIN 32 OR BELOW: 14 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 422 CLEAR (SCALE 0-3) 14 DPTR FM NORMAL -116 PTCLDY (SCALE 4-7) 0 TOTAL FM JUL 1 8451 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL -1649 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP M ON M DPTR FM NORMAL 0 LOWEST SLP 29.50 ON 2 [REMARKS]