PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: SIOUX FALLS MONTH: APRIL YEAR: 2007 LATITUDE: 43 34 N LONGITUDE: 96 44 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 AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 51 32 42 3 23 0 0.11 0.1 0 15.7 29 310 180 24 7 1 37 310 2 50 30 40 0 25 0 0.02 0.0 0 8.4 23 90 220 29 5 1 31 170 3 40 19 30 -10 35 0 T T 0 21.7 32 320 36 5 9 1 40 320 4 32 17 25 -16 40 0 T T 0 18.7 26 330 420 54 8 33 320 5 34 18 26 -15 39 0 T T 0 12.6 21 350 744 96 4 31 350 6 28 16 22 -20 43 0 T T 0 20.8 32 350 236 30 6 39 340 7 33 14 24 -18 41 0 T T 0 15.6 25 320 782 100 1 38 340 8 40 15 28 -15 37 0 0.00 0.0 0 8.1 15 340 732 93 0 20 330 9 49 16 33 -10 32 0 0.00 0.0 0 8.5 17 170 708 90 5 22 160 10 37 33 35 -8 30 0 0.69 6.3 1 16.9 21 100 0 0 10 125 26 100 11 34 29 32 -12 33 0 0.13 1.6 5 13.7 21 40 0 0 10 12 25 30 12 39 26 33 -11 32 0 0.01 0.2 4 5.9 15 300 314 39 7 1 17 300 13 50 22 36 -9 29 0 0.00 0.0 2 2.2 9 350 250 31 4 1 12 350 14 58 25 42 -3 23 0 0.00 0.0 0 4.2 15 330 785 98 2 18 22 340 15 66 27 47 1 18 0 0.00 0.0 0 5.0 14 110 804 100 0 16 110 16 76 38 57 11 8 0 0.00 0.0 0 9.5 24 20 753 93 0 30 10 17 66 38 52 6 13 0 0.00 0.0 0 12.6 22 70 641 79 0 28 50 18 66 36 51 4 14 0 0.00 0.0 0 10.6 20 90 657 81 0 25 80 19 66 41 54 7 11 0 T 0.0 0 16.0 28 130 418 51 3 35 150 20 77 47 62 14 3 0 0.00 0.0 0 15.8 28 150 648 79 3 37 140 21 83 60 72 24 0 7 0.05 0.0 0 19.7 30 180 565 69 4 3 39 160 22 67 50 59 11 6 0 0.92 0.0 0 12.7 31 360 84 10 7 13 38 350 23 68 43 56 7 9 0 0.00 0.0 0 6.9 15 60 708 86 4 18 40 24 54 48 51 2 14 0 T 0.0 0 10.7 17 60 20 2 8 22 60 25 56 46 51 1 14 0 0.00 0.0 0 8.6 17 60 0 0 2 22 60 26 68 43 56 6 9 0 0.00 0.0 0 3.2 14 10 649 78 4 21 20 27 70 39 55 4 10 0 0.00 0.0 0 7.6 22 310 789 94 1 28 320 28 77 40 59 8 6 0 0.00 0.0 0 6.4 18 290 789 94 0 29 300 29 90 53 72 21 0 7 0.00 0.0 0 7.5 22 30 742 88 0 8 24 30 30 92 53 73 21 0 8 0.00 0.0 0 10.9 20 10 722 85 0 32 230 ================================================================================ SM 1717 1014 597 22 1.93 8.2 336.7 14396 114 ================================================================================ AV 57.2 33.8 11.2 FASTST PSBL % 4 MAX(MPH) MISC ----> # 32 320 # 40 320 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: SIOUX FALLS MONTH: APRIL YEAR: 2007 LATITUDE: 43 34 N LONGITUDE: 96 44 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 45.5 TOTAL FOR MONTH: 1.93 1 = FOG OR MIST DPTR FM NORMAL: -0.2 DPTR FM NORMAL: -0.72 2 = FOG REDUCING VISIBILITY HIGHEST: 92 ON 30 GRTST 24HR 3.36 ON 31- 1 TO 1/4 MILE OR LESS LOWEST: 14 ON 7 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 8.2 INCHES 5 = HAIL GRTST 24HR 6.3 ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 5 ON 11 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: 2 0.01 INCH OR MORE: 7 MAX 90 OR ABOVE: 2 0.10 INCH OR MORE: 4 MIN 32 OR BELOW: 14 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 597 CLEAR (SCALE 0-3) 14 DPTR FM NORMAL 29 PTCLDY (SCALE 4-7) 13 TOTAL FM JUL 1 7124 CLOUDY (SCALE 8-10) 3 DPTR FM NORMAL -388 [CDD (BASE 65) ] TOTAL THIS MO. 22 DPTR FM NORMAL 17 [PRESSURE DATA] TOTAL FM JAN 1 22 HIGHEST SLP M ON M DPTR FM NORMAL 17 LOWEST SLP 29.50 ON 10 [REMARKS] #FINAL-04-07#