PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ROCHESTER MN MONTH: DECEMBER YEAR: 2009 LATITUDE: 43 55 N LONGITUDE: 92 30 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 48 29 39 16 26 0 0.00 0.0 0 9.7 21 310 M M 1 24 310 2 35 28 32 9 33 0 0.00 0.0 0 15.3 24 340 M M 6 30 350 3 28 18 23 1 42 0 0.04 1.4 T 10.2 21 310 M M 10 1 24 310 4 20 8 14 -8 51 0 T 0.1 1 14.2 22 260 M M 6 8 26 250 5 32 10 21 0 44 0 0.00 0.0 1 8.0 14 170 M M 3 17 170 6 26 14 20 -1 45 0 0.01 0.1 1 10.5 16 360 M M 3 20 360 7 26 14 20 0 45 0 0.01 0.2 1 7.2 13 350 M M 5 18 16 20 8 23 17 20 0 45 0 0.45 8.3 1 14.1 25 10 M M 10 18 32 10 9 21 -3 9 -11 56 0 0.31 4.5 11 24.3 36 350 M M 6 189 45 340 10 6 -7 0 -19 65 0 T T 13 12.5 21 290 M M 2 24 290 11 14 -6 4 -15 61 0 0.00 0.0 13 9.4 17 170 M M 0 21 170 12 30 2 16 -2 49 0 0.00 0.0 13 11.5 20 170 M M 0 8 24 180 13 30 18 24 6 41 0 T T 12 9.3 15 350 M M 9 168 18 350 14 19 -1 9 -9 56 0 0.01 0.4 12 14.7 24 320 M M 6 1689 28 330 15 5 -8 -1 -18 66 0 0.00 0.0 12 10.9 16 300 M M 0 18 M M 16 12 -5 4 -13 61 0 0.00 0.0 11 8.5 16 160 M M 1 21 160 17 23 6 15 -2 50 0 0.00 0.0 11 6.3 15 140 M M 1 18 18 140 18 25 11 18 2 47 0 0.00 0.0 10 6.8 16 20 M M 8 128 18 20 19 23 18 21 5 44 0 0.00 0.0 9 9.2 15 350 M M 10 18 18 340 20 22 19 21 5 44 0 0.07 1.0 9 6.0 12 170 M M 9 18 15 200 21 21 16 19 4 46 0 0.13 2.0 10 7.6 16 290 M M 9 18 18 280 22 28 21 25 10 40 0 0.10 1.4 14 13.1 18 80 M M 10 18 22 80 23 27 25 26 11 39 0 0.26 3.2 13 18.5 25 100 M M 10 16 32 80 24 34 27 31 17 34 0 0.48 0.6 16 13.1 23 100 M M 10 16 29 100 25 37 15 26 12 39 0 0.30 1.7 14 16.3 23 80 M M 10 128 31 70 26 18 8 13 -1 52 0 T 0.1 15 5.0 15 160 M M 6 18 17 160 27 23 5 14 0 51 0 T 0.2 15 13.5 22 300 M M 7 18 26 300 28 23 4 14 1 51 0 0.00 0.0 15 16.4 28 340 M M 4 8 33 350 29 14 -3 6 -7 59 0 0.00 0.0 15 9.7 21 180 M M 0 24 180 30 26 9 18 5 47 0 0.05 1.1 15 13.4 21 300 M M 7 18 28 190 31 10 -5 3 -10 62 0 0.00 0.0 16 13.2 18 300 M M 1 22 300 ================================================================================ SM 729 304 1491 0 2.22 26.3 358.4 M 170 ================================================================================ AV 23.5 9.8 11.6 FASTST M M 5 MAX(MPH) MISC ----> # 36 350 # 45 340 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: ROCHESTER MN MONTH: DECEMBER YEAR: 2009 LATITUDE: 43 55 N LONGITUDE: 92 30 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 16.7 TOTAL FOR MONTH: 2.22 1 = FOG OR MIST DPTR FM NORMAL: -0.6 DPTR FM NORMAL: 1.20 2 = FOG REDUCING VISIBILITY HIGHEST: 48 ON 1 GRTST 24HR 2.30 ON 21-22 TO 1/4 MILE OR LESS LOWEST: -8 ON 15 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 26.3 INCHES 5 = HAIL GRTST 24HR 8.3 ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 16 ON 31,24 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: 13 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7 MIN 32 OR BELOW: 31 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 8 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 1491 CLEAR (SCALE 0-3) 11 DPTR FM NORMAL 12 PTCLDY (SCALE 4-7) 10 TOTAL FM JUL 1 3028 CLOUDY (SCALE 8-10) 10 DPTR FM NORMAL -304 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 319 HIGHEST SLP 30.55 ON 16 DPTR FM NORMAL -154 LOWEST SLP 29.23 ON 25 [REMARKS] #FINAL-12-09#