PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: SIOUX FALLS SD MONTH: APRIL YEAR: 2009 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 40 24 32 -7 33 0 T T T 13.6 23 290 462 60 5 31 280 2 49 23 36 -4 29 0 0.00 0.0 0 5.8 14 350 689 90 0 18 330 3 56 21 39 -1 26 0 T 0.0 0 10.4 21 80 673 87 3 31 130 4 39 32 36 -5 29 0 0.68 5.9 0 20.4 31 50 0 0 8 149 37 40 5 36 24 30 -11 35 0 0.06 0.6 5 22.0 31 330 232 30 7 9 39 340 6 37 21 29 -13 36 0 0.00 0.0 2 17.3 28 330 751 96 1 32 340 7 42 18 30 -12 35 0 0.00 0.0 1 5.8 13 330 738 94 0 17 200 8 54 29 42 -1 23 0 0.00 0.0 0 8.6 17 340 733 93 1 22 340 9 49 27 38 -5 27 0 0.00 0.0 0 12.3 21 40 714 90 0 26 80 10 50 28 39 -4 26 0 0.00 0.0 0 7.5 14 50 684 86 0 M M 11 61 23 42 -2 23 0 0.00 0.0 0 8.7 20 190 720 91 0 28 150 12 55 39 47 3 18 0 0.00 0.0 0 10.3 18 150 64 8 1 25 150 13 60 37 49 4 16 0 0.00 0.0 0 4.3 15 40 384 48 4 17 60 14 66 28 47 2 18 0 0.00 0.0 0 6.4 16 150 770 96 0 25 120 15 65 35 50 4 15 0 0.02 0.0 0 11.6 28 150 310 38 1 35 160 16 66 50 58 12 7 0 T 0.0 0 14.6 24 150 245 30 4 30 140 17 71 44 58 12 7 0 0.00 0.0 0 4.8 13 100 417 51 3 15 100 18 55 40 48 1 17 0 0.21 0.0 0 11.8 21 40 0 0 7 1 24 30 19 60 38 49 2 16 0 0.04 0.0 0 12.0 21 320 430 53 6 26 330 20 55 38 47 -1 18 0 0.00 0.0 0 18.5 33 350 641 78 4 45 340 21 65 34 50 2 15 0 0.00 0.0 0 6.4 21 320 375 46 5 26 310 22 78 33 56 8 9 0 T 0.0 0 8.5 24 60 682 83 1 3 32 150 23 91 56 74 25 0 9 0.00 0.0 0 14.7 31 190 781 94 0 40 200 24 71 38 55 6 10 0 0.00 0.0 0 15.1 31 350 367 44 1 8 36 350 25 55 34 45 -5 20 0 0.15 0.1 0 13.1 28 360 119 14 6 1 35 20 26 52 43 48 -2 17 0 0.25 0.0 0 12.3 28 100 0 0 10 13 33 110 27 50 34 42 -9 23 0 T 0.0 0 13.4 23 350 345 41 8 28 360 28 59 29 44 -7 21 0 T 0.0 0 10.6 22 130 428 51 6 1 28 140 29 58 49 54 3 11 0 0.53 0.0 0 13.5 23 140 0 0 10 13 32 140 30 60 44 52 0 13 0 0.01 0.0 0 14.9 30 320 528 62 5 1 40 320 ================================================================================ SM 1705 1013 593 9 1.95 6.6 349.2 13282 107 ================================================================================ AV 56.8 33.8 11.6 FASTST 443 55 4 MAX(MPH) MISC ----> # 33 350 # 45 340 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES - PRECIPITATION IN COLUMNS 7, 8, AND 9 WERE SUBMITTED FOR CONSIDERATION AS THE OFFICAL PRECIPITATION FOR SIOUX FALLS, SOUTH DAKOTA. - SNOW DEPTH IN COLUMN 9 IS RECORDED AT 6 AM CST (12Z). - COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: SIOUX FALLS SD MONTH: APRIL YEAR: 2009 LATITUDE: 43 34 N LONGITUDE: 96 44 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 45.3 TOTAL FOR MONTH: 1.95 1 = FOG OR MIST DPTR FM NORMAL: -0.4 DPTR FM NORMAL: -0.70 2 = FOG REDUCING VISIBILITY HIGHEST: 91 ON 23 GRTST 24HR 0.68 ON 4- 4 TO 1/4 MILE OR LESS LOWEST: 18 ON 7 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 6.6 INCHES 5 = HAIL GRTST 24HR 5.9 ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 5 ON 5 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: 9 MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 5 MIN 32 OR BELOW: 13 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 593 CLEAR (SCALE 0-3) 15 DPTR FM NORMAL 25 PTCLDY (SCALE 4-7) 13 TOTAL FM JUL 1 7319 CLOUDY (SCALE 8-10) 2 DPTR FM NORMAL -193 [CDD (BASE 65) ] TOTAL THIS MO. 9 DPTR FM NORMAL 4 [PRESSURE DATA] TOTAL FM JAN 1 9 HIGHEST SLP 30.42 ON 28 DPTR FM NORMAL 4 LOWEST SLP 29.44 ON 23 [REMARKS] 23RD - NEW RECORD HIGH TEMPERATURE 91 DEGREES (PREVIOUS 87 IN 1939) #FINAL-04-09#