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: DECEMBER 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 25 11 18 -2 47 0 T T 1 9.9 20 290 0 0 7 1 23 310 2 20 -5 8 -12 57 0 0.26 4.9 3 7.0 15 360 120 23 7 128 20 360 3 35 -4 16 -3 49 0 0.10 0.2 6 13.4 26 240 100 19 9 1 31 240 4 38 12 25 6 40 0 0.10 T 4 14.8 26 320 221 42 6 1 36 330 5 25 9 17 -1 48 0 T 0.1 2 12.6 25 90 111 21 8 1 31 90 6 32 24 28 10 37 0 0.33 4.3 4 13.5 21 100 0 0 10 126 25 100 7 32 25 29 12 36 0 0.00 0.0 6 7.5 16 270 3 1 10 12 21 320 8 31 23 27 10 38 0 T 0.0 6 6.4 15 260 0 0 10 16 17 270 9 34 30 32 16 33 0 0.01 T 6 13.9 29 60 0 0 10 126 35 60 10 31 23 27 11 38 0 0.02 0.3 5 9.2 23 60 0 0 10 1 28 60 11 29 20 25 9 40 0 0.01 T 5 8.7 21 210 0 0 10 146 26 210 12 34 13 24 9 41 0 0.20 1.2 5 22.3 35 310 0 0 10 1689 51 290 13 13 0 7 -8 58 0 T 0.1 6 16.1 24 330 370 72 5 9 32 330 14 20 -6 7 -7 58 0 T 0.1 6 9.8 18 210 247 48 3 1 23 220 15 35 20 28 14 37 0 0.00 0.0 6 14.1 20 290 396 77 3 23 310 16 31 3 17 3 48 0 0.01 0.1 5 14.0 25 300 387 75 4 9 31 300 17 25 -4 11 -2 54 0 T T 5 11.6 23 230 188 37 4 28 220 18 31 -14 9 -4 56 0 T T 5 16.9 28 300 379 74 5 89 37 300 19 5 -22 -8 -21 73 0 T 0.4 5 10.1 22 170 333 65 4 26 170 20 20 5 13 1 52 0 0.25 3.0 8 15.3 26 190 0 0 8 128 35 190 21 20 -7 7 -5 58 0 T 0.4 9 13.3 23 320 0 0 8 19 31 320 22 -4 -14 -9 -21 74 0 0.00 0.0 8 10.9 16 320 512 100 3 21 310 23 -8 -20 -14 -25 79 0 0.00 0.0 8 10.7 17 300 512 100 1 21 330 24 -2 -21 -11 -22 76 0 0.00 0.0 8 7.2 13 150 487 95 1 18 15 150 25 12 -3 5 -6 60 0 0.03 0.8 8 6.9 15 60 321 63 9 189 16 20 26 13 -9 2 -8 63 0 T T 8 7.1 14 110 467 91 4 1 16 100 27 17 7 12 2 53 0 0.07 0.9 9 6.3 12 210 0 0 9 1 15 210 28 22 13 18 8 47 0 0.00 0.0 9 9.8 17 290 0 0 10 1 21 280 29 22 19 21 11 44 0 0.00 0.0 9 7.2 13 200 77 15 10 1 14 200 30 37 20 29 20 36 0 0.65 T 8 12.6 24 90 0 0 10 1246 29 90 31 38 8 23 14 42 0 0.09 0.5 7 17.8 36 270 11 2 9 189 43 270 ================================================================================ SM 713 156 1572 0 2.13 17.3 356.9 5242 217 ================================================================================ AV 23.0 5.0 11.5 FASTST PSBL 34 % 7 MAX(MPH) MISC ----> 36 270 51 290 ================================================================================ 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: DECEMBER YEAR: 2004 LATITUDE: 46 49 N LONGITUDE: 92 11 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 14.0 TOTAL FOR MONTH: 2.13 1 = FOG DPTR FM NORMAL: 0.0 DPTR FM NORMAL: 1.19 2 = FOG REDUCING VISIBILITY HIGHEST: 38 ON 31, 4 GRTST 24HR 0.65 ON 30-30 TO 1/4 MILE OR LESS LOWEST: -22 ON 19 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 17.3 INCHES 5 = HAIL GRTST 24HR 4.9 ON 2- 2 6 = GLAZE OR RIME GRTST DEPTH: 9 ON 29,28 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: 24 0.01 INCH OR MORE: 14 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7 MIN 32 OR BELOW: 31 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 13 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 1572 CLEAR (SCALE 0-3) 5 DPTR FM NORMAL -15 PTCLDY (SCALE 4-7) 9 SEASONAL TOTAL 3597 CLOUDY (SCALE 8-10) 17 DPTR FM NORMAL -302 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] SEASONAL TOTAL 106 HIGHEST SLP 30.63 ON 14 DPTR FM NORMAL -83 LOWEST SLP 29.22 ON 12 [REMARKS] THE AVERAGE TEMPERATURE FOR THE MONTH WAS EXACTLY NORMAL AND THE MONTH WAS WETTER THAN NORMAL. IT WAS THE 5TH WETTEST DECEMBER BASED ON AIRPORT RECORDS. A NEW DAILY PRECIPITATION RECORD WAS SET ON THE 30TH WITH 0.65 INCHES BREAKING THE OLD RECORD OF 0.61 INCHES SET IN 1936.