PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: DULUTH MONTH: APRIL YEAR: 2006 LATITUDE: 46 49 N LONGITUDE: 92 11 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 40 31 36 4 29 0 0.00 0.0 T 10.6 17 340 35 5 9 24 350 2 37 31 34 1 31 0 0.25 T T 9.2 17 340 0 0 10 1 20 350 3 44 29 37 4 28 0 0.00 0.0 T 15.0 22 290 776 100 2 33 290 4 51 26 39 5 26 0 0.00 0.0 T 9.3 18 300 780 100 0 24 300 5 53 23 38 4 27 0 0.00 0.0 0 6.2 13 90 579 74 4 15 100 6 59 40 50 15 15 0 0.00 0.0 0 8.7 16 30 0 0 6 22 20 7 40 29 35 0 30 0 0.00 0.0 0 10.2 21 60 790 100 0 25 70 8 51 22 37 1 28 0 0.00 0.0 0 6.5 17 270 793 100 0 18 270 9 56 33 45 9 20 0 0.00 0.0 0 9.2 17 210 692 87 1 21 150 10 62 40 51 15 14 0 0.00 0.0 0 11.9 20 90 683 85 3 27 90 11 68 40 54 17 11 0 0.10 0.0 0 11.3 21 230 483 60 3 1 25 190 12 69 44 57 20 8 0 0.00 0.0 0 12.6 30 290 791 98 2 37 290 13 55 36 46 8 19 0 0.00 0.0 0 7.9 17 100 274 34 3 20 100 14 65 37 51 13 14 0 0.00 0.0 0 10.5 28 260 750 92 1 32 280 15 63 37 50 11 15 0 0.00 0.0 0 11.6 24 80 740 90 2 31 80 16 61 39 50 11 15 0 0.00 0.0 0 15.5 29 80 580 71 1 35 70 17 60 34 47 7 18 0 0.00 0.0 0 13.7 26 80 822 100 0 32 70 18 60 35 48 8 17 0 0.00 0.0 0 16.1 31 70 736 89 0 39 70 19 57 43 50 9 15 0 0.19 0.0 0 13.0 18 70 200 24 7 1 23 90 20 55 42 49 8 16 0 0.02 0.0 0 10.6 21 70 275 33 8 1 25 80 21 50 39 45 3 20 0 0.20 0.0 0 4.8 13 130 214 26 8 1 14 120 22 63 38 51 9 14 0 T 0.0 0 7.0 14 20 838 69 6 1 17 10 23 70 44 57 15 8 0 0.00 0.0 0 7.9 17 10 702 84 2 8 22 10 24 51 33 42 -1 23 0 T 0.0 0 12.1 25 320 180 21 5 32 320 25 59 28 44 1 21 0 0.00 0.0 0 9.2 18 270 842 99 1 22 280 26 68 39 54 10 11 0 0.00 0.0 0 13.9 24 270 850 100 0 32 290 27 54 35 45 1 20 0 0.00 0.0 0 13.4 21 80 780 91 0 25 70 28 52 36 44 -1 21 0 T 0.0 0 11.7 17 80 337 39 5 21 80 29 53 40 47 2 18 0 0.31 0.0 0 14.3 24 80 0 0 9 1 31 80 30 49 41 45 -1 20 0 0.54 0.0 0 20.4 29 80 0 0 10 1 38 70 ================================================================================ SM 1675 1064 572 0 1.61 T 334.3 15522 108 ================================================================================ AV 55.8 35.5 11.1 FASTST PSBL % 4 MAX(MPH) MISC ----> # 31 70 # 39 70 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: DULUTH MONTH: APRIL YEAR: 2006 LATITUDE: 46 49 N LONGITUDE: 92 11 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 45.7 TOTAL FOR MONTH: 1.61 1 = FOG OR MIST DPTR FM NORMAL: 6.7 DPTR FM NORMAL: -0.48 2 = FOG REDUCING VISIBILITY HIGHEST: 70 ON 23 GRTST 24HR 0.68 ON 29-30 TO 1/4 MILE OR LESS LOWEST: 22 ON 8 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: T 5 = HAIL GRTST 24HR T ON 2- 2 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 0 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: 7 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5 MIN 32 OR BELOW: 8 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 572 CLEAR (SCALE 0-3) 19 DPTR FM NORMAL -215 PTCLDY (SCALE 4-7) 5 TOTAL FM JUL 1 7819 CLOUDY (SCALE 8-10) 6 DPTR FM NORMAL -1304 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP 30.31 ON 8TH DPTR FM NORMAL 0 LOWEST SLP 29.59 ON 14TH [REMARKS] #FINAL-04-06#