PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: TWIN CITIES MN MONTH: DECEMBER YEAR: 2009 LATITUDE: 44 52 N LONGITUDE: 93 13 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 47 29 38 13 27 0 0.00 0.0 0 9.2 21 280 M M 8 1 28 290 2 34 27 31 7 34 0 0.00 0.0 0 11.3 21 320 M M 9 28 290 3 27 18 23 -1 42 0 T 0.1 T 10.4 18 290 M M 10 8 29 270 4 20 14 17 -6 48 0 T 0.1 T 10.0 18 290 M M 9 8 21 290 5 27 15 21 -2 44 0 T T T 5.4 13 350 M M 9 17 10 6 23 12 18 -4 47 0 0.00 0.0 0 8.4 16 10 M M 5 24 10 7 24 16 20 -2 45 0 T T 0 5.9 12 320 M M 9 18 20 8 21 14 18 -3 47 0 0.24 4.7 0 12.3 25 10 M M 10 189 32 360 9 14 1 8 -13 57 0 0.13 2.7 7 19.3 29 330 M M 10 19 43 340 10 5 -5 0 -21 65 0 T T 7 9.3 17 280 M M 4 8 22 290 11 16 -3 7 -13 58 0 0.00 0.0 6 6.9 13 180 M M 0 16 190 12 29 6 18 -2 47 0 0.00 0.0 5 7.0 15 150 M M 6 8 20 150 13 28 8 18 -2 47 0 0.02 0.2 5 9.9 21 340 M M 8 8 24 350 14 13 -2 6 -13 59 0 0.11 1.8 6 12.4 20 320 M M 8 18 26 340 15 4 -5 0 -19 65 0 0.00 0.0 6 7.5 16 280 M M 4 21 260 16 12 0 6 -12 59 0 0.00 0.0 6 6.7 10 150 M M 5 14 180 17 24 9 17 -1 48 0 0.00 0.0 6 4.1 10 120 M M 8 18 17 40 18 27 9 18 0 47 0 0.00 0.0 5 2.7 13 10 M M 8 18 18 20 19 23 20 22 5 43 0 T T 5 5.6 14 340 M M 10 18 16 350 20 24 18 21 4 44 0 0.06 0.8 5 4.8 12 280 M M 10 18 14 280 21 24 18 21 4 44 0 T T 6 6.3 15 80 M M 10 18 20 100 22 28 20 24 8 41 0 0.02 0.5 6 11.0 17 90 M M 10 18 26 90 23 28 26 27 11 38 0 0.20 2.0 6 13.9 22 80 M M 10 1 30 70 24 34 26 30 14 35 0 0.44 5.2 11 9.1 15 70 M M 10 12 24 80 25 37 23 30 14 35 0 0.56 2.0 12 13.7 21 70 M M 10 14 28 60 26 23 12 18 3 47 0 T 0.2 10 4.4 15 170 M M 10 18 18 180 27 27 9 18 3 47 0 T T 9 6.7 15 280 M M 7 8 20 280 28 25 6 16 1 49 0 T T 9 11.6 23 340 M M 4 31 350 29 17 2 10 -4 55 0 0.00 0.0 9 5.4 13 160 M M 3 18 160 30 22 9 16 2 49 0 0.05 0.6 9 7.8 15 310 M M 10 18 18 310 31 11 1 6 -8 59 0 0.00 0.0 9 9.2 17 310 M M 4 22 330 ================================================================================ SM 718 353 1472 0 1.83 20.9 268.2 M 238 ================================================================================ AV 23.2 11.4 8.7 FASTST M M 8 MAX(MPH) MISC ----> # 29 330 # 43 340 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: TWIN CITIES MN MONTH: DECEMBER YEAR: 2009 LATITUDE: 44 52 N LONGITUDE: 93 13 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 17.3 TOTAL FOR MONTH: 1.83 1 = FOG OR MIST DPTR FM NORMAL: -1.4 DPTR FM NORMAL: 0.83 2 = FOG REDUCING VISIBILITY HIGHEST: 47 ON 1 GRTST 24HR 0.56 ON 25-25 TO 1/4 MILE OR LESS LOWEST: -5 ON 15,10 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 20.9 INCHES 5 = HAIL GRTST 24HR 5.2 ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 12 ON 25 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: 27 0.01 INCH OR MORE: 10 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6 MIN 32 OR BELOW: 31 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 5 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 1472 CLEAR (SCALE 0-3) 2 DPTR FM NORMAL 44 PTCLDY (SCALE 4-7) 11 TOTAL FM JUL 1 2884 CLOUDY (SCALE 8-10) 18 DPTR FM NORMAL -243 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 647 HIGHEST SLP 30.55 ON 15 DPTR FM NORMAL -52 LOWEST SLP 29.31 ON 25 [REMARKS] #FINAL-12-09#