PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) DISCLAIMER: This data is unofficial. The official source of climate data is NCDC. For Further Information, Contact WFO Duluth at 218-729-6697. STATION: DULUTH MONTH: AUGUST YEAR: 2004 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 84 53 69 3 0 4 0.00 0.0 0 5.4 15 270 855 96 1 17 270 2 78 60 69 3 0 4 0.00 0.0 0 5.8 14 150 599 67 3 15 130 3 75 54 65 -1 0 0 0.00 0.0 0 5.5 12 120 885 100 2 14 70 4 69 47 58 -8 7 0 0.00 0.0 0 6.8 16 100 847 96 2 20 110 5 74 44 59 -7 6 0 0.00 0.0 0 4.1 10 180 880 100 0 1 14 170 6 75 49 62 -4 3 0 0.00 0.0 0 6.6 14 180 682 78 1 17 180 7 63 58 61 -5 4 0 0.46 0.0 0 8.8 18 120 31 4 10 1 22 130 8 69 59 64 -1 1 0 0.38 0.0 0 7.9 20 180 65 8 10 138 23 190 9 73 53 63 -2 2 0 0.93 0.0 0 9.5 21 310 403 46 8 12 26 310 10 53 44 49 -16 16 0 0.27 0.0 0 11.2 18 330 163 19 10 1 24 330 11 56 43 50 -15 15 0 0.37 0.0 0 8.3 17 360 179 21 9 1 23 10 12 68 44 56 -9 9 0 0.00 0.0 0 6.8 15 10 860 94 1 21 10 13 70 39 55 -10 10 0 0.00 0.0 0 2.5 16 90 609 71 2 18 100 14 72 40 56 -8 9 0 0.00 0.0 0 6.4 14 220 742 87 2 18 230 15 73 51 62 -2 3 0 0.00 0.0 0 9.4 15 240 595 70 1 21 240 16 66 58 62 -2 3 0 T 0.0 0 7.7 12 250 124 15 8 1 14 240 17 75 57 66 2 0 1 0.00 0.0 0 8.8 17 280 759 90 2 18 22 260 18 69 42 56 -8 9 0 T 0.0 0 17.1 37 290 648 77 4 1 47 300 19 70 37 54 -9 11 0 T 0.0 0 16.1 31 250 700 83 3 38 250 20 61 36 49 -14 16 0 0.00 0.0 0 10.2 21 290 837 100 1 28 290 21 67 37 52 -11 13 0 0.38 0.0 0 9.5 18 230 742 89 1 138 23 190 22 72 51 62 -1 3 0 0.11 0.0 0 12.1 15 10 466 56 8 1 20 360 23 60 49 55 -7 10 0 0.02 0.0 0 14.8 22 100 558 67 7 29 90 24 69 53 61 -1 4 0 T 0.0 0 10.4 20 100 282 34 8 1 22 100 25 78 61 70 8 0 5 0.65 0.0 0 5.5 23 200 510 62 7 1238 26 200 26 74 58 66 4 0 1 0.02 0.0 0 8.8 16 210 344 42 7 12 20 210 27 67 55 61 0 4 0 0.00 0.0 0 10.3 24 300 472 58 6 31 290 28 58 46 52 -9 13 0 T 0.0 0 7.5 16 90 316 39 9 1 18 90 29 62 42 52 -9 13 0 T 0.0 0 7.6 15 160 393 49 5 123 18 150 30 70 49 60 0 5 0 0.00 0.0 0 8.3 21 290 681 85 1 12 25 290 31 59 51 55 -5 10 0 0.13 0.0 0 7.9 13 80 131 16 9 1 20 80 ================================================================================ SM 2129 1520 199 15 3.72 0.0 267.6 16358 148 ================================================================================ AV 68.7 49.0 8.6 FASTST PSBL 63% 5 MAX(MPH) MISC ----> 37 290 47 300 ================================================================================ 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: AUGUST YEAR: 2004 LATITUDE: 46 49 N LONGITUDE: 92 11 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 58.9 TOTAL FOR MONTH: 3.72 1 = FOG DPTR FM NORMAL: -4.8 DPTR FM NORMAL: -0.50 2 = FOG REDUCING VISIBILITY HIGHEST: 84 ON 1 GRTST 24HR 0.93 ON 9- 9 TO 1/4 MILE OR LESS LOWEST: 36 ON 20 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.0 INCH 5 = HAIL GRTST 24HR 0.0 6 = GLAZE OR RIME GRTST DEPTH: 0 7 = BLOWING DUST OR SAND: 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: 11 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 9 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 199 CLEAR (SCALE 0-3) 15 DPTR FM NORMAL 93 PTCLDY (SCALE 4-7) 6 SEASONAL TOTAL 289 CLOUDY (SCALE 8-10) 10 DPTR FM NORMAL 114 [CDD (BASE 65) ] TOTAL THIS MO. 15 DPTR FM NORMAL -45 [PRESSURE DATA] SEASONAL TOTAL 80 HIGHEST SLP M ON M DPTR FM NORMAL -97 LOWEST SLP 29.50 ON 18TH [REMARKS] THE AVERAGE TEMPERATURE AT DULUTH FOR AUGUST OF 58.9 DEGREES...WILL GO INTO THE RECORD BOOKS AS THE 5TH COLDEST AUGUST OF ALL TIME. ALL THREE OF THE SUMMER MONTHS WERE BELOW NORMAL...RESULTING IN A SUMMER AVERAGE TEMPERATURE OF 59.9 DEGREES. THIS IS 3.1 DEGREES BELOW NORMAL FOR THE SEASON...AND IS THE 4TH COLDEST SUMMER BASED ON THE AIRPORT RECORDS. A NEW RECORD LOW TEMPERATURE OF 37 DEGREES WAS SET ON THE 19TH...THE OLD RECORD WAS 39 SET IN 1991. A NEW RECORD LOW TEMPERATURE OF 36 DEGREES WAS SET ON THE 20TH...THE OLD RECORD WAS 38 SET IN 1950. A NEW RECORD LOW TEMPERATURE OF 37 DEGREES WAS SET ON THE 21ST...THE OLD RECORD WAS 41 SET IN 1989. A NEW RECORD LOW MAX TEMPERATURE OF 53 DEGREES WAS SET ON THE 10TH...THE OLD RECORD WAS 55 SET IN 1951. WFO DLH