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: MAY 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 51 29 40 -6 25 0 0.00 0.0 0 7.4 16 320 718 83 3 21 330 2 44 24 34 -13 31 0 0.00 0.0 0 6.9 16 130 539 62 4 21 120 3 56 30 43 -4 22 0 0.02 0.0 0 12.5 26 240 594 68 3 32 250 4 54 36 45 -3 20 0 0.01 0.0 0 12.8 24 320 627 72 4 32 320 5 61 31 46 -2 19 0 0.00 0.0 0 9.4 17 300 555 63 2 24 290 6 57 39 48 0 17 0 0.00 0.0 0 11.2 20 290 410 47 1 25 320 7 53 33 43 -6 22 0 0.00 0.0 0 11.5 21 110 589 67 3 26 100 8 70 37 54 5 11 0 0.00 0.0 0 7.6 18 90 678 77 3 22 90 9 57 39 48 -2 17 0 0.31 0.0 0 8.8 22 260 143 37 5 123 26 270 10 63 42 53 3 12 0 0.00 0.0 0 11.8 24 300 649 73 1 1 30 310 11 56 42 49 -1 16 0 0.00 0.0 0 17.8 29 80 412 46 4 35 80 12 55 42 49 -2 16 0 0.10 0.0 0 13.7 23 100 80 9 9 18 28 100 13 44 36 40 -11 25 0 0.06 0.0 0 10.7 20 320 0 0 9 26 310 14 46 33 40 -11 25 0 0.00 0.0 0 8.7 17 310 391 43 7 20 330 15 56 26 41 -11 24 0 0.00 0.0 0 6.4 15 160 553 61 2 18 140 16 63 36 50 -2 15 0 0.42 0.0 0 8.8 20 80 235 26 9 13 24 80 17 54 38 46 -6 19 0 0.53 0.0 0 7.3 24 80 122 13 8 12 28 80 18 70 36 53 0 12 0 0.00 0.0 0 4.5 13 270 771 85 1 12 15 270 19 65 45 55 2 10 0 0.02 0.0 0 7.8 17 160 160 18 5 3 22 150 20 67 50 59 6 6 0 0.02 0.0 0 9.8 20 340 373 41 4 18 26 330 21 52 41 47 -7 18 0 T 0.0 0 15.8 24 80 78 8 7 30 90 22 42 38 40 -14 25 0 0.24 0.0 0 15.2 25 70 0 0 10 1 32 80 23 45 41 43 -11 22 0 0.04 0.0 0 22.2 21 70 0 0 10 1 29 70 24 49 35 42 -13 23 0 0.10 0.0 0 12.7 23 70 171 19 5 1 26 70 25 53 38 46 -9 19 0 0.10 0.0 0 12.1 24 290 10 1 10 12 31 280 26 66 34 50 -5 15 0 0.00 0.0 0 14.0 25 210 181 20 3 33 220 27 59 40 50 -5 15 0 0.05 0.0 0 7.9 18 360 250 27 6 1 24 10 28 65 33 49 -7 16 0 0.00 0.0 0 6.8 15 170 271 29 3 18 190 29 59 43 51 -5 14 0 0.01 0.0 0 13.8 24 100 34 4 7 1 28 90 30 52 47 50 -6 15 0 1.30 0.0 0 16.4 26 80 0 0 10 123 30 80 31 56 43 50 -6 15 0 0.24 0.0 0 13.0 24 80 157 17 10 12 29 90 ================================================================================ SM 1740 1157 561 0 3.57 0.0 345.3 9751 168 ================================================================================ AV 56.1 37.3 11.1 FASTST PSBL 36% 5 MAX(MPH) MISC ----> 29 80 35 80 ================================================================================ 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: MAY YEAR: 2004 LATITUDE: 46 49 N LONGITUDE: 92 11 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 46.7 TOTAL FOR MONTH: 3.57 1 = FOG DPTR FM NORMAL: -5.1 DPTR FM NORMAL: 0.62 2 = FOG REDUCING VISIBILITY HIGHEST: 70 ON 8,18 GRTST 24HR 1.50 ON 30-31 TO 1/4 MILE OR LESS LOWEST: 24 ON 2 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: 17 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 9 MIN 32 OR BELOW: 5 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 561 CLEAR (SCALE 0-3) 11 DPTR FM NORMAL 140 PTCLDY (SCALE 4-7) 11 SEASONAL TOTAL 9182 CLOUDY (SCALE 8-10) 9 DPTR FM NORMAL -362 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL -7 [PRESSURE DATA] SEASONAL TOTAL 0 HIGHEST SLP 30.43 ON 7TH DPTR FM NORMAL -7 LOWEST SLP 29.30 ON 31ST [REMARKS] REMARKS...MAY OF 2004 WAS MUCH COOLER THAN NORMAL WITH ABOVE NORMAL PRECIPITATION. THE MONTHLY AVERAGE TEMPERATURE OF 46.7 DEGREES WAS 5.1 DEGREES BELOW NORMAL. MAY OF 2004 TIES MAY OF 1983 AS THE 9TH COLDEST MAY BASED ON THE AIRPORT RECORDS. THE CLIMATOLOGICAL SPRING OF 2004 WAS 0.6 DEGREES BELOW NORMAL WITH AN AVERAGE TEMPERATURE OF 38.1 DEGREES. THE PRECIPITATION TOTAL OF 7.06 INCHES FOR THE SPRING MONTHS WAS 0.33 INCHES ABOVE NORMAL. THE SPRING SNOWFALL TOTAL OF 11.9 INCHES WAS 8.4 INCHES BELOW NORMAL. -------------------------------------------------------------------------------- SS