MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2012 NAME: Charleswood CITY: Winnipeg STATE: MB ELEV: 235 m LAT: 49° 54' 00" N LONG: 97° 18' 00" W TEMPERATURE (°C), RAIN (mm), SNOW/SOG (cm), WIND SPEED (km/h) HEAT AVG MEAN DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS RAIN SNOW SPEED HIGH TIME DIR SOG ------------------------------------------------------------------------------------- 1 -2.4 0.8 11:15a -8.1 11:45p 20.7 0.4 0.0 7.6 40.2 2:00a NW 14 2 -3.5 1.8 12:00m -8.2 12:15a 21.8 0.0 0.0 6.4 40.2 1:30p SE 13 3 -3.4 2.6 5:00a -12.7 10:00p 21.8 2.0 1.6 11.6 43.5 9:30p WNW 11 4 -13.8 -10.3 1:15p -17.5 10:30p 32.1 0.0 0.0 7.6 45.1 12:45a NW 11 5 -5.9 -0.2 11:00p -16.2 12:15a 24.2 TR 0.0 14.6 53.1 5:15p SSE 11 6 -6.4 1.3 2:00a -9.3 12:00m 24.8 0.0 TR 8.5 38.6 4:00a NW 11 7 -14.1 -9.3 12:15a -21.2 11:30p 32.4 0.0 0.0 2.4 19.3 12:45a NNW 11 8 -17.6 -13.7 2:15p -21.3 1:00a 35.9 0.0 3.4 3.9 20.9 3:15p NNE 11 9 -22.2 -18.9 1:15p -25.7 9:00p 40.5 0.0 0.0 2.6 20.9 3:30a N 14 10 -17.6 -11.6 8:45p -25.9 2:30a 35.9 0.0 2.0 9.5 41.8 12:45p SSW 14 11 -20.0 -13.9 12:15a -25.3 7:00p 38.3 0.0 0.0 4.5 30.6 2:00a NW 16 12 -17.7 -14.6 1:15p -21.9 12:15a 36.0 0.0 8.8 5.0 22.5 7:00a NNE 22 13 -15.2 -11.9 12:00m -18.2 3:15a 33.5 0.0 3.0 3.4 19.3 9:30p SSW 23 14 -7.5 -4.4 2:15p -11.9 12:15a 25.8 0.0 0.0 7.6 38.6 11:15a S 25 15 -8.6 -6.5 12:00m -10.6 11:00a 26.8 0.0 0.0 2.6 17.7 6:45p SSW 24 16 -7.3 -5.7 5:30a -9.7 12:00m 25.6 0.0 TR 1.8 12.9 12:45p NNW 23 17 -10.3 -9.7 12:15a -10.9 7:45a 28.7 0.0 6.0 1.1 16.1 3:30p S 25 18 -9.7 -7.4 2:15p -13.1 3:30a 28.0 0.0 1.0 1.8 11.3 12:30a SSE 25 19 -10.5 -8.8 11:15a -17.3 11:45p 28.8 0.0 2.4 3.9 22.5 1:00p NNE 25 20 -12.4 -10.0 12:45p -17.2 12:15a 30.7 0.0 0.6 1.6 16.1 2:00p NNW 25 21 -13.7 -12.5 12:15a -14.8 5:30p 32.0 0.0 0.4 6.6 35.4 8:15p SSW 25 22 -14.9 -11.4 11:00a -20.7 12:00m 33.2 0.0 TR 5.1 29.0 9:45a NNW 24 23 -20.1 -17.6 11:30a -23.3 11:45p 38.0 0.0 0.0 3.7 19.3 5:15a N 24 24 -24.4 -21.3 2:15p -26.7 10:30p 42.7 0.0 0.0 3.5 25.7 11:15a NW 24 25 -23.4 -20.7 1:45p -26.3 12:15a 41.8 0.0 0.0 3.5 17.7 3:45a SW 24 26 -23.2 -17.8 2:00p -26.6 8:45a 41.5 0.0 0.0 1.1 11.3 12:30a SW 24 27 -14.6 -10.5 2:00p -24.9 12:15a 32.9 0.0 0.4 2.1 17.7 12:30p SSE 24 28 -12.2 -10.6 2:15p -13.3 6:15p 30.5 0.0 1.4 3.9 20.9 1:30p SW 25 29 -14.8 -12.0 12:15a -19.9 8:00p 33.1 0.0 1.0 3.9 22.5 9:30p NW 26 30 -13.5 -8.1 1:45p -21.2 12:00m 31.8 0.0 0.0 6.9 30.6 3:00a NW 26 31 -22.1 -17.7 1:15p -24.7 7:15a 40.0 0.0 0.0 3.1 19.3 1:45a NW 25 ------------------------------------------------------------------------------------- -13.6 2.6 3 -26.7 24 989.6 2.4 32.0 4.9 53.1 5 NW DECEMBER 2012 HIGHLIGHTS.. COLDER AND SNOWIER END TO 2012.. - December averaged -14.7C at YWG airport, 1.2C below normal (1981-2010 mean of -13.5C) - 3rd consecutive month below normal, after 16 straight months above - 2 cold spells between 7-13th and 22nd-27th took monthly average below normal - minimum of -29.0C at YWG airport on the 24th - no -30C readings in 2012, first time ever at airport, and only 2nd time in city since 1872 - 2012 ends up as 5th warmest calendar year on record at +4.6C (1.7C above 1981-2010 normal) - snowfall (at my site) was above normal at 32.0 cm, mainly due to frequent light snowfalls - largest daily snowfall was 8.8 cm on the 12th - seasonal snowfall is now at 75 cm, almost matching entire snowfall from last winter (80 cm)