PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ROCHESTER MN MONTH: DECEMBER YEAR: 2010 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 17 12 15 -8 50 0 T T T 15.1 24 300 M M 8 18 30 310 2 27 10 19 -4 46 0 T 0.1 T 8.0 16 310 M M 4 18 310 3 20 7 14 -8 51 0 0.41 6.2 0 8.2 15 110 M M 6 12 18 100 4 22 9 16 -6 49 0 0.22 2.8 8 12.3 17 300 M M 9 19 21 300 5 12 1 7 -14 58 0 T T 9 13.3 18 330 M M 7 189 23 320 6 16 9 13 -8 52 0 0.01 0.2 9 11.3 16 320 M M 8 18 18 300 7 13 -1 6 -14 59 0 T T 9 9.8 16 340 M M 3 1 18 350 8 12 -4 4 -16 61 0 0.00 0.0 8 5.8 9 150 M M 0 18 10 180 9 29 7 18 -2 47 0 0.04 0.3 8 14.4 29 160 M M 4 189 37 150 10 31 24 28 9 37 0 0.35 1.0 7 11.7 24 300 M M 7 16 30 300 11 34 14 24 5 41 0 1.36 15.0 7 23.5 39 10 M M 8 1236 48 360 12 14 -6 4 -14 61 0 T T 22 24.2 35 340 M M 0 189 44 350 13 0 -12 -6 -24 71 0 0.00 0.0 21 7.9 20 340 M M 0 8 23 350 14 9 -12 -1 -19 66 0 0.00 0.0 21 5.9 13 130 M M 0 1 14 130 15 17 1 9 -8 56 0 0.11 0.8 21 10.4 15 130 M M 1 1 17 130 16 20 4 12 -5 53 0 0.46 5.4 23 7.3 13 300 M M 9 12 15 300 17 12 2 7 -10 58 0 T T 26 12.8 20 270 M M 1 18 25 280 18 12 1 7 -9 58 0 0.00 0.0 24 11.8 16 260 M M 2 1 20 260 19 12 -1 6 -10 59 0 T T 24 5.9 12 260 M M 3 18 13 270 20 29 12 21 5 44 0 0.46 6.1 23 14.6 23 140 M M 6 1268 29 140 21 30 14 22 7 43 0 0.01 T 29 13.2 20 310 M M 7 168 23 310 22 32 24 28 13 37 0 0.00 0.0 27 10.4 21 310 M M 10 1 23 310 23 28 23 26 11 39 0 T T 26 4.1 9 110 M M 10 18 10 110 24 25 20 23 9 42 0 0.20 3.4 28 7.8 13 20 M M 10 1 16 20 25 22 15 19 5 46 0 T T 29 12.8 21 350 M M 10 16 24 350 26 20 9 15 1 50 0 T T 29 5.8 13 340 M M 9 16 14 340 27 19 7 13 -1 52 0 T T 28 12.5 22 200 M M 6 18 25 200 28 25 9 17 4 48 0 0.00 0.0 27 10.5 18 220 M M 2 18 23 220 29 35 21 28 15 37 0 0.02 0.0 26 20.0 28 170 M M 5 18 37 180 30 41 22 32 19 33 0 0.01 0.0 25 19.4 30 210 M M 8 12 37 220 31 31 7 19 6 46 0 0.02 T 19 14.7 33 220 M M 10 126 39 210 ================================================================================ SM 666 248 1550 0 3.68 41.3 365.4 M 173 ================================================================================ AV 21.5 8.0 11.8 FASTST M M 6 MAX(MPH) MISC ----> # 39 10 # 48 360 ================================================================================ 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: 2010 LATITUDE: 43 55 N LONGITUDE: 92 30 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 14.7 TOTAL FOR MONTH: 3.68 1 = FOG OR MIST DPTR FM NORMAL: -2.6 DPTR FM NORMAL: 2.66 2 = FOG REDUCING VISIBILITY HIGHEST: 41 ON 30 GRTST 24HR 5.00 ON 3- 4 TO 1/4 MILE OR LESS LOWEST: -12 ON 14,13 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 41.3 INCHES 5 = HAIL GRTST 24HR 15.0 ON 11-11 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 29 ON 26,25 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: 28 0.01 INCH OR MORE: 14 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 8 MIN 32 OR BELOW: 31 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 6 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 1550 CLEAR (SCALE 0-3) 8 DPTR FM NORMAL 71 PTCLDY (SCALE 4-7) 13 TOTAL FM JUL 1 3001 CLOUDY (SCALE 8-10) 10 DPTR FM NORMAL -331 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 683 HIGHEST SLP 30.58 ON 23 DPTR FM NORMAL 210 LOWEST SLP 29.40 ON 30 [REMARKS] #FINAL-12-10#