Monthly Climatological Summary for Dec 2017 Name: MONTREAL @ ST.LEONARD City: MONTREAL State: MONTREAL-CANADA Elevation: 154 ft Lat: N 45° 35' 13" Lon: W 073° 35' 18" Temperature (°C), Rain (mm), Wind Speed (km/h) Heat Cool Avg Mean Deg Deg Wind Dom Day Temp High Time Low Time Days Days Rain Speed High Time Dir ---------------------------------------------------------------------------------- 1 3.1 4.9 01:50 1.1 22:32 15.2 0.0 0.0 5.1 25.7 02:20 WNW 2 1.4 3.1 13:42 -0.6 22:05 16.9 0.0 0.0 0.9 9.7 17:38 ESE 3 0.3 2.6 15:27 -1.2 07:26 17.9 0.0 0.0 2.5 17.7 18:34 NE 4 1.3 5.1 23:58 -2.2 07:27 17.0 0.0 0.0 3.3 40.2 23:56 E 5 7.9 10.5 19:52 5.1 00:00 10.4 0.0 11.2 16.7 61.2 11:24 S 6 2.6 6.4 00:00 0.8 07:44 14.8 0.0 0.0 16.3 61.2 01:52 W 7 0.5 1.5 12:45 -1.3 23:22 17.7 0.0 0.0 10.1 40.2 10:28 W 8 -0.6 0.9 18:47 -2.1 06:08 18.9 0.0 0.0 10.2 38.6 18:58 WSW 9 -1.5 0.0 11:48 -3.9 22:56 19.8 0.0 0.0 3.2 27.4 01:57 NNW 10 -3.4 -1.7 10:19 -4.7 23:57 21.7 0.0 0.0 5.0 35.4 10:26 W 11 -9.4 -4.6 00:00 -12.8 07:47 27.7 0.0 0.0 3.8 20.9 01:25 NE 12 -8.7 -6.8 13:34 -11.0 05:36 26.4 0.0 0.0 8.8 32.2 11:21 NE 13 -10.6 -7.0 00:07 -14.8 23:50 28.8 0.0 0.0 14.4 53.1 13:15 WNW 14 -15.4 -13.8 14:33 -17.4 06:37 33.7 0.0 0.0 15.6 43.5 14:34 W 15 -13.6 -9.9 12:26 -17.8 07:09 31.9 0.0 0.0 4.4 27.4 00:53 WNW 16 -11.0 -7.9 16:20 -13.1 03:13 29.3 0.0 0.0 3.2 22.5 14:21 NW 17 -13.5 -10.4 12:43 -16.6 06:17 31.8 0.0 0.0 0.5 14.5 14:44 W 18 -12.3 -10.4 22:34 -14.7 05:43 30.1 0.0 0.0 2.3 17.7 06:40 NE 19 -4.0 3.6 16:30 -10.8 00:00 22.2 0.0 9.6 4.9 41.8 16:42 W 20 -3.4 1.2 00:00 -10.9 23:53 21.7 0.0 0.0 10.1 45.1 06:12 WNW 21 -12.0 -9.3 14:29 -13.9 23:11 30.3 0.0 0.0 4.9 22.5 17:59 WNW 22 -13.7 -11.9 14:30 -15.8 09:21 29.6 0.0 0.0 7.4 29.0 17:41 ENE 23 -8.1 -5.1 19:05 -12.1 00:00 26.3 0.0 0.0 5.3 32.2 22:10 N 24 -7.0 -4.5 14:33 -8.6 08:24 25.3 0.0 0.0 5.4 30.6 00:36 WNW 25 -8.3 -6.3 19:14 -10.6 13:04 26.6 0.0 0.0 10.4 38.6 18:22 NE 26 -12.0 -6.6 00:39 -17.3 23:49 30.0 0.0 0.0 15.0 48.3 10:39 W 27 -19.9 -17.3 00:00 -22.9 23:57 38.2 0.0 0.0 9.6 33.8 18:19 WNW 28 -22.7 -20.3 15:22 -25.3 05:13 41.0 0.0 0.0 13.7 41.8 03:56 W 29 -20.9 -18.4 17:11 -23.6 04:31 39.2 0.0 0.0 6.1 29.0 17:17 WNW 30 -19.8 -17.1 14:15 -22.2 06:29 38.1 0.0 0.0 1.8 16.1 01:00 NNW 31 -20.4 -18.4 15:29 -22.1 23:51 38.7 0.0 0.0 9.8 32.2 11:47 WNW ---------------------------------------------------------------------------------- -8.2 10.5 5 -25.3 28 817.2 0.0 20.8 7.4 61.2 5 WNW Max >= 32.0: 0 Max <= 0.0: 21 Min <= 0.0: 28 Min <= -18.0: 5 Max Rain: 11.2 on day 5 Days of Rain: 2 (>= 0.1 mm) 2 (>= 5.0 mm) 0 (>= 20.0 mm) Heat Base: 18.3 Cool Base: 18.3 Method: Integration