PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: SIOUX FALLS SD MONTH: APRIL YEAR: 2011 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 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 54 28 41 2 24 0 0.00 0.0 0 12.5 28 320 M M 2 1 37 320 2 57 26 42 2 23 0 T 0.0 0 9.7 22 110 M M 3 28 130 3 55 35 45 5 20 0 0.02 0.0 0 19.1 36 320 M M 4 46 320 4 48 24 36 -5 29 0 T 0.0 0 18.9 32 330 M M 3 43 330 5 61 25 43 2 22 0 T 0.0 0 7.3 16 310 M M 6 22 310 6 61 36 49 7 16 0 T 0.0 0 5.0 15 280 M M 3 22 290 7 65 33 49 7 16 0 0.00 0.0 0 12.4 26 170 M M 0 32 160 8 60 40 50 7 15 0 T 0.0 0 12.5 21 160 M M 6 18 26 160 9 61 48 55 12 10 0 0.02 0.0 0 9.9 29 320 M M 9 138 41 330 10 53 39 46 3 19 0 T 0.0 0 10.8 25 310 M M 8 12 32 300 11 62 35 49 5 16 0 0.00 0.0 0 9.8 23 350 M M 1 31 350 12 75 32 54 10 11 0 0.00 0.0 0 10.5 23 190 M M 0 31 180 13 53 37 45 0 20 0 0.11 0.0 0 17.7 29 40 M M 7 1 35 50 14 42 35 39 -6 26 0 0.13 0.0 0 19.8 30 80 M M 8 1 37 80 15 39 32 36 -10 29 0 1.28 0.2 0 17.9 26 70 M M 10 14 35 30 16 41 28 35 -11 30 0 T T 0 14.1 24 320 M M 9 1 30 320 17 41 29 35 -11 30 0 0.18 0.7 0 7.6 16 80 M M 9 18 20 70 18 44 33 39 -8 26 0 0.31 0.0 T 8.1 17 60 M M 10 1 22 60 19 41 34 38 -9 27 0 0.24 T 0 12.7 24 70 M M 10 1 29 80 20 47 28 38 -10 27 0 0.01 T 0 8.1 22 320 M M 4 14 25 340 21 44 28 36 -12 29 0 0.07 0.0 0 13.5 24 120 M M 6 1 31 120 22 56 40 48 0 17 0 T 0.0 0 11.4 22 260 M M 7 12 37 260 23 50 30 40 -9 25 0 0.01 0.0 0 12.0 33 320 M M 8 1 43 310 24 59 25 42 -7 23 0 0.00 0.0 0 2.2 12 180 M M 1 1 M M 25 57 30 44 -6 21 0 0.03 0.0 0 5.8 17 160 M M 3 1 M M 26 49 42 46 -4 19 0 0.21 0.0 0 13.2 21 40 M M 10 1 26 50 27 61 40 51 0 14 0 0.02 0.0 0 16.4 33 340 M M 4 43 350 28 67 36 52 1 13 0 0.04 0.0 0 9.3 23 330 M M 4 31 340 29 69 46 58 7 7 0 0.23 0.0 0 17.9 36 140 M M 4 138 48 150 30 53 34 44 -8 21 0 0.18 0.0 0 16.3 36 270 M M 7 1 49 270 ================================================================================ SM 1625 1008 625 0 3.09 0.9 362.4 M 166 ================================================================================ AV 54.2 33.6 12.1 FASTST M M 6 MAX(MPH) MISC ----> # 36 320 # 49 270 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES -PRECIPITATION AMOUNTS IN COLUMNS 7, 8, AND WERE SUBMITTED FOR CONSIDERATION AS THE OFFICIAL PRECIPITATION FOR SIOUX FALLS, SD. -COLUMN 17 PEAK WIND IN M.P.H. -SNOW DEPTH IN COLUMN 9 IS RECORDED AT 6 AM CST (12Z) PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: SIOUX FALLS SD MONTH: APRIL YEAR: 2011 LATITUDE: 43 34 N LONGITUDE: 96 44 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 43.9 TOTAL FOR MONTH: 3.09 1 = FOG OR MIST DPTR FM NORMAL: -1.8 DPTR FM NORMAL: 0.44 2 = FOG REDUCING VISIBILITY HIGHEST: 75 ON 12 GRTST 24HR 1.37 ON 14-15 TO 1/4 MILE OR LESS LOWEST: 24 ON 4 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.9 INCH 5 = HAIL GRTST 24HR 0.7 ON M 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: 17 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 9 MIN 32 OR BELOW: 13 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 625 CLEAR (SCALE 0-3) 7 DPTR FM NORMAL 57 PTCLDY (SCALE 4-7) 16 TOTAL FM JUL 1 7730 CLOUDY (SCALE 8-10) 7 DPTR FM NORMAL 218 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL -5 [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP 30.29 ON 21 DPTR FM NORMAL -5 LOWEST SLP 29.26 ON 3 [REMARKS] 15TH - NEW RECORD DAILY PRECIPITATION 1.28 (PREVIOUS 1.09 IN 1927) #FINAL-04-11#