PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: INTERNATIONAL FALLS MN MONTH: DECEMBER YEAR: 2009 LATITUDE: 48 34 N LONGITUDE: 93 23 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 29 20 25 10 40 0 0.25 5.6 1 5.4 13 360 M M 9 1 16 360 2 26 14 20 5 45 0 0.01 0.1 4 6.5 14 350 M M 9 1 17 350 3 19 14 17 3 48 0 0.04 1.3 4 7.1 15 330 M M 10 18 17 330 4 17 6 12 -2 53 0 0.03 1.1 5 6.5 12 250 M M 10 18 14 240 5 16 -6 5 -8 60 0 0.01 0.2 5 2.3 8 310 M M 10 18 12 300 6 20 3 12 -1 53 0 T 0.4 5 5.9 12 340 M M 10 18 15 280 7 16 -11 3 -9 62 0 T T 5 4.2 14 300 M M 5 17 300 8 3 -13 -5 -17 70 0 T T 5 1.6 12 50 M M 2 18 16 60 9 3 -6 -1 -12 66 0 0.00 0.0 5 11.0 16 330 M M 7 8 23 10 10 -1 -14 -7 -18 72 0 0.00 0.0 5 5.0 13 270 M M 1 8 18 250 11 4 -19 -7 -17 72 0 0.00 0.0 5 4.8 13 240 M M 3 17 220 12 12 -9 2 -8 63 0 T T 5 4.8 20 300 M M 6 1 23 300 13 -2 -18 -10 -19 75 0 0.00 0.0 5 7.0 21 290 M M 2 24 300 14 -3 -13 -8 -17 73 0 0.00 0.0 5 5.0 13 290 M M 3 17 290 15 -6 -16 -11 -19 76 0 0.00 0.0 4 7.7 18 280 M M 1 8 25 280 16 9 -19 -5 -13 70 0 0.00 0.0 4 4.7 8 110 M M 3 M M 17 21 3 12 4 53 0 0.10 1.0 5 3.5 10 150 M M 8 18 15 130 18 19 13 16 9 49 0 0.00 0.0 6 5.1 10 10 M M 10 18 14 360 19 13 8 11 4 54 0 T T 6 3.6 9 40 M M 10 8 12 100 20 20 11 16 9 49 0 0.03 1.3 6 4.7 8 240 M M 10 1 10 250 21 22 10 16 10 49 0 T 0.1 7 3.6 13 280 M M 9 18 16 290 22 18 4 11 5 54 0 T T 7 4.8 10 80 M M 6 1 13 60 23 26 4 15 9 50 0 0.00 0.0 7 9.2 18 120 M M 6 1 25 120 24 27 22 25 20 40 0 0.32 4.5 7 8.8 14 90 M M 10 12 18 80 25 31 24 28 23 37 0 0.56 5.2 9 13.1 21 60 M M 10 126 30 70 26 28 24 26 21 39 0 0.16 4.3 M 10.2 15 20 M M 10 12 22 40 27 27 19 23 19 42 0 0.01 0.5 18 10.3 24 310 M M 8 18 31 310 28 19 -22 -1 -5 66 0 T 0.2 19 9.5 24 340 M M 3 18 30 360 29 13 -20 -3 -7 68 0 0.00 0.0 19 3.7 9 180 M M 2 17 190 30 11 8 10 7 55 0 0.01 0.4 19 7.1 14 290 M M 9 18 17 290 31 8 -6 1 -2 64 0 T T 18 7.2 21 340 M M 5 8 25 350 ================================================================================ SM 465 15 1767 0 1.53 26.2 193.9 M 207 ================================================================================ AV 15.0 0.5 6.3 FASTST M M 7 MAX(MPH) MISC ----> # 24 310 # 31 310 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: INTERNATIONAL FALLS MN MONTH: DECEMBER YEAR: 2009 LATITUDE: 48 34 N LONGITUDE: 93 23 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 7.7 TOTAL FOR MONTH: 1.53 1 = FOG OR MIST DPTR FM NORMAL: -0.8 DPTR FM NORMAL: 0.83 2 = FOG REDUCING VISIBILITY HIGHEST: 31 ON 25 GRTST 24HR 0.56 ON 25-25 TO 1/4 MILE OR LESS LOWEST: -22 ON 28 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 26.2 INCHES 5 = HAIL GRTST 24HR 5.6 ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 19 ON 30,29 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: 31 0.01 INCH OR MORE: 12 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5 MIN 32 OR BELOW: 31 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 14 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 1767 CLEAR (SCALE 0-3) 7 DPTR FM NORMAL 23 PTCLDY (SCALE 4-7) 9 TOTAL FM JUL 1 4042 CLOUDY (SCALE 8-10) 15 DPTR FM NORMAL -159 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 71 HIGHEST SLP 30.51 ON 16 DPTR FM NORMAL -162 LOWEST SLP 29.69 ON 1 [REMARKS] #FINAL-12-09#