XGY   Grimsby Mountain, ON
Weather Observed At   43-11-00  N    79-33-34  W
2020
Note all stats on this page use calendar days (0000-2359). MSC stats use "climate days".    
  2020 :   
 TEMPERATURE : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  RECORD HIGHEST TEMPERATURE : 17.8
 19.7
 27.0
 30.6
 37.2
 36.1
 41.1
 40.6
 38.3
 32.0
 24.4
 21.0
 41.1
  HIGHEST TEMPERATURE : 14.4
10.8
 21.2
 18.4
 32.3
 32.6
 36.1
 34.6
 30.2
 25.8
 24.6
 11.2
 36.1
  Date : 11th
 24th
 29th
 12th
 25th
 21st
 9th
 10th
 1st
 23rd
 10th
 12th
 7/9
  Time : 0933 1359 1521
 1459
 1554
 1446
 1520
 1326
 1424
 1409
 1242
 1825
 1520
   2019 :
11.0
13.6
13.0
24.027.6
32.133.4
30.9
30.632.013.6 13.5
33.4
  AVERAGE HIGH TEMPERATURE : 2.6
2.1
 7.2
 11.1
 17.5
 26.3
 30.5
 28.3
 22.6
 15.0
 11.8
 3.5
 14.9
  Departure from Normal  :
+4.6
 +3.3
 +3.0
 0.0
 		-1.0
 		+2.4
 +3.8
 +2.8
 +2.2
 +1.6
 +4.8
 +2.7
 +2.5
  Normal  :
-2.0
-1.2
 4.2
 11.1
 18.5
 23.9
 26.7
 25.5
 20.4
 13.4
 7.0
 0.8
 12.4
   2019 :
-1.11.9
5.211.1
17.5
23.5
28.626.3
23.3
16.05.5
3.4
13.4
  AVERAGE TEMPERATURE : (°C)
 -0.4
 -1.8
 3.4
 6.1
 12.3
 20.3
 24.9
 22.5
 17.4
 10.5
 7.5
 -2.7
 10.0
  Normal  :
-5.5
 -4.9
 0.1
 6.3
 12.8
 18.4
 21.4
 20.5
 15.6
 9.3
 3.7
 -2.6
 7.9
  AVERAGE LOW TEMPERATURE : -3.5
 -5.6
 -0.4
 1.1
 7.0
 14.3
 19.3
 16.7
 12.3
 5.9
 3.2
 -2.3
 5.7
  Normal  :
-9.0
-8.5
 -4.0
 1.5
 7.1
 12.8
 16.1
 15.5
 11.1
 5.1
 0.4
 -6.0
 3.5
  LOWEST TEMPERATURE : -12.0
 -15.7
 -8.7
 -4.1
 -2.2
 8.4
 15.3
 11.6
 5.6
 -4.3
 -4.2
 -6.2
 -15.7
  Date : 20th
14th
 1st
 16th
 12th
 16th
 13th
 19th
 15th+
 31st
 18th
 25th+
 2/14
  Time : 0630 0713 0648 0628 0556 0557 0426 0705 0715 0534 0401 2006 0713
   2019 :
-22.6 -20.7-15.1 -6.8 2.64.913.6 12.0 9.40.8-13.0 -15.5 -22.6
  RECORD LOWEST TEMPERATURE : -27.8 -29.4
-22.8
-17.2
-4.4
1.7
5.6
1.1
-0.6
-9.4
-15.6
-28.9
-29.4
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 RELATIVE HUMIDITY : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  HIGHEST RELATIVE HUMIDITY : 98
 99
 100
 95
 98
 95
 96
 97
 100
 99
 96
 97
 100
  Date : 11th+
26th
 3rd+
 1st+
 18th+
 2nd+
 1st+
 4th
 9th+
 3rd+
 25th+
 20th
 3/3+
  Time : 1222
1602
 0030
 0000
 0809
 2350
 0112
 0835
 2214
 0608
 1835
 0330
 0030
  AVERAGE RELATIVE HUMIDITY : (%)
78
74
 74
 65
 67
 66
 66
 68
 69
 74
 71
 79
 71
  Departure from Normal  :
+4 +5 +2 +3 -1 -2 -2 -4 -8 -3 -8 -1 -1
  Normal  :
74
69
 72
 62
 68
 68
 68
 72
 77
 77
 79
 80
 72
   2019 :
75
76
67
74
76
71
73
71
74
76 75 80
74
  LOWEST RELATIVE HUMIDITY : 46
 28
 24
 21
 18
 23
 23
 27
 26
 27
 34
 44
 18
  Date : 20th
21st
 15th
 2nd
 21st
 13th
 2nd+
 8th
 4th
 14th
 8th+
 29th
 5/21
  Time : 1348
1317
 1647
 1738
 1500
 1502
 1452
 1534
 1515
 1236
 1338
 1421
 1500
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 DEW POINT : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  HIGHEST DEW POINT : 11.4
 4.5
 17.8
 14.3
 21.1
 23.8
 24.3
 23.9
 24.0
 17.4
 15.8
 9.1
 24.3
  Date : 11th
18th
 29th
 13th
 29th
 10th
 27th
 2nd
 2nd
 10th
 11th
 12th
 7/27
  Time : 1024
1102
 1442
 1150
 1249
 0904
 1932
 1037
 1222
 1701
 0608
 1613
 1932
  AVERAGE DEW POINT : (°C) -3.7
-6.2
 -1.0
 -0.8
 5.4
 13.3
 17.4
 15.6
 11.0
 6.1
 2.4
 -2.7
 4.7
  Departure from Normal  :
+5.7
 +3.4
 +3.3
 -1.1
 		-1.6
 		+1.0
 +2.1
 +0.3
 -0.5
 		+0.6
 +2.0
 +2.9
 +1.5
  Normal : -9.4
-9.6
 -4.3
 0.3
 7.0
 12.3
 15.3
 15.3
 11.5
 5.5
 0.4
 -5.6
 3.2
   2019 :
-8.9 -6.4-5.6 1.98.212.2
18.1 15.6 13.7
7.6 -2.0 -3.1 4.3
  LOWEST DEW POINT : -16.0
 -18.6
 -16.9
 -11.9
 -11.7
 -3.4
 6.2
 6.1
 -6.1
 -6.7
 -10.7
 -13.2
 -18.6
  Date : 20th
14th
 15th
 15th
 13th
 13th
 4th
 19th
 20th
 31st
 18th
 16th
 2/14
  Time : 0134
0634
 1647
 2210
 1207
 1502
 1508
 1732
 0350
 0530
 0002
 1109
 0634
  Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  2020
 PRECIPITATION : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  TOTAL PRECIPITATION : (mm)
 112.6
 67.2
 88.4
 74.3
 65.6
 35.6
 28.2
 40.7
 38.9
 100.9
 75.9
 90.7
 819.0
  % of Normal  :
157% 125% 141% 97% 86% 44% 37% 55% 42% 135% 109% 123% 93%
  Normal :
71.9
 53.6
 62.6
 76.4
 76.3
 80.7
 77.1
 74.2
 93.5
 74.9
 69.9
 73.5
 884.6
   2019 :
70.9 86.368.5113.2 167.498.867.7 105.054.2
146.850.6112.51141.9
  EVAPOTRANSPIRATION : (mm) -17.8
-29.2
-47.4
-69.1
-92.9
-132.4
-127.4
 -104.1
 -77.8
 -44.9
 -41.6
 -17.8
 -802.4
  NET MOISTURE : (mm) +94.8
 		+38.0
 		+41.0
 		+5.2
 		-27.3
 		-96.8
 		-99.2
 		-63.4
 		-38.9
 		+56.0
 		+34.3
 		+72.9
 		+16.6
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 RAINFALL : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  RECORD RAINFALL IN 1 DAY : 52.1
40.6
 51.6
 52.0
 68.6
 78.0
 72.6
 90.2
 77.0
 115.3
 60.2
 57.4
 115.3
  MOST RAINFALL IN 1 DAY : 38.8
 1.7
 13.2
 20.2
 15.6
 15.6
 15.6
 12.5
 13.8
 18.0
 24.0
 12.0
 38.8
  Date : 11th
25th
 3rd
 26th
 28th
 10th
 10th
 17th
 13th
 19th
 30th
 24th
 1/11
   2019 :
8.622.623.8 30.733.521.816.931.2
23.433.04.022.9 43.4
  HEAVIEST RAIN RATE : (mm/h) 50.0
 2.0
 39.4
 40.6
 81.2
 44.4
 213.4
 102.8
 66.2
 58.2
 28.6
 15.4
 213.4
  Date : 12th
2nd
 20th
 7th
 15th
 10th
 19th
 25th
 2nd
 23rd
 26th
 12th+
 7/19
  Time : 0037
1854
 0716
 2140
 1523
 0604
 1300
 0127
 1236
 2022
 0215
 1447
 1300
   2019 :
8.012.024.079.0169.4 180.0151.6 303.2185.8 140.47.610.6 303.2
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 SNOWFALL : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  TOTAL SNOWFALL : (cm)
 24.0
 53.0
 14.0
 2.2
 TR



TR
 8.8
 38.0
  140.0
  % of Normal  :
48%
 163% 78%
 27%
 0%



0% 145% 114% 95%
  Normal :
49.6
32.6
18.0
8.1
0.2
0
0
0
0
0.1
6.0
33.4
148.0
   2019 :
46.635.225.6TR0-
- - -
026.024.6158.0
  RECORD SNOWFALL IN 1 DAY : 50.8
40.6
38.1
27.8
2.5
-
-
-
-
11.4
22.9
61.0
61.0
  MOST SNOWFALL IN 1 DAY : 9.0
 12.0
 11.0
 1.4
 TR



TR
 5.6
 16.6
 16.6
  Date : 5th+
 		26th
 		6th
 		14th
 		8th+



30th
 		22nd
 		1st
 		12/1
   2019 :
18.412.8 14.0 TR0-
- - -
021.69.4 18.4
  Highest Snow on Ground : 9
 16
 15
 1
 TR



TR
 4
 16
 16
  Date : 5th+
 		29th
 		1st
 		14th+
 		8th+



30th
 		22nd+
 		25th
 		2/29+
   2019 : 23 201790-
- - -
0221423
  Average Snow on Ground : 2
7
 1
 TR
 0



0
 TR
 4
 1.2
   2019 :
665TR
0-
- - -
0442.1
  Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  2020
 WIND : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  HIGHEST WIND SPEED : (kt)
 27
 26
 30
 27
 26
 22
 16
 22
 22
 24
 30
 25
 30
  HIGHEST WIND DIRECTION : 220
190
 230
 360
 360
 020
 010
 020
 210
 200
 190
 200
 230
  Date : 10th+
21st
 20th+
 26th
 7th+
 2nd
 24th
 18th
 27th
 21st
 15th+
 30th
 3/20+
  Time : 0354
2106
 1203
 1439
 1444
 2306
 1032
 1745
 1000
 0758
 1448
 1337
 1203
   2019 :
273630 2924172321 24322826 36
  AVERAGE DAILY PK GUST : (kt)
16.8
17.9
 17.7
 16.9
 15.4
 11.9
 10.4
 12.3
 13.9
 15.8
 18.4
 16.8
 15.4
   2019 :
19.6
 		19.1
 		16.1
 		16.4
 		14.2
 		12.0
 		10.2
 		11.3
 		12.2
 		16.4
 		16.9
 		16.2
 		15.1
  PEAK WIND DIRECTION : (days)











   NORTH :
10
 9
 11
 13
 16
 16
 11
 14
 12
 11
 3
 5
 131
   NORTHEAST :
1
 1
 3
 -
 2
 1
 5
 4
 -
 -
 1
 3
 21
   EAST :
1
 -
 2
 -
 -
 -
 -
 -
 1
 2
 -
 -
 6
   SOUTHEAST :
1
 -
 -
 -
 1
 -
 1
 -
 -
 -
 -
 -
 3
   SOUTH :
4
 7
 3
 5
 6
 3
 2
 2
 4
 9
 10
 9
 64
   SOUTHWEST :
10
 7
 10
 6
 3
 7
 10
 8
 9
 6
 9
 10
 95
   WEST :
3
 5
 2
 2
 3
 2
 1
 3
 4
 2
 5
 4
 36
   NORTHWEST :
1
 -
 -
 4
 -
 1
 1
 -
 -
 1
 2
 -
 10
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 PRESSURE : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  HIGHEST PRESSURE :
 30.88
 30.58
 30.68
 30.22
 30.37
 30.50
 30.18
 30.19
 30.61
 30.48
 30.58
 30.57
 30.88
  Date :
17th
14th
 22nd
 17th
 13th
 15th
 24th
 7th+
 20th
 31st
 18th
 29th
 1/17
  Time :
1030
1930
 1030
 0130
 1100
 0945
 1200
 1100
 1200
 0945
 1045
 1115
 1030
   2019 :
30.68 30.82 30.50 30.55 30.43 30.19 30.2430.33 30.41 30.42 30.57 30.66 30.82
  AVERAGE PRESSURE : (in.)
30.06
29.98
 30.05
 29.86
 30.01
 29.98
 29.94
 29.95
 30.06
 30.05
 30.06
 29.99
 29.99
  Departure from Normal  :
+0.06 -0.06 +0.06 -0.12 +0.05 +0.02 -0.04 -0.07 +0.02 0.00 +0.04 -0.04 -0.02
  Normal :
30.00
30.04
29.99
29.98
29.96
29.96
29.98
30.02
30.04
30.05
30.02
30.03
30.01
   2019 :
30.0630.1030.10 29.97 29.9529.90 29.9329.94 30.05
29.9930.03 29.9930.00
  LOWEST PRESSURE :
 29.47
 29.29
 29.35
 29.19
 29.65
 29.53
 29.61
 29.44
 29.52
 29.59
 29.27 29.49 29.19
  Date :
18th
7th
 3rd
 13th
 7th
 23rd
 11th
 29th
 30th
 15th
 15th
 25th
 4/13
  Time :
1845
0615
 1430
 0930
 1415
 1515
 1330
 1230
 1715
 0400
 1445
 0415
 0930
   2019 :
29.33 29.16 29.47 29.20 29.6029.55 29.68 29.60 29.66 29.30 29.31 29.35 29.16
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 DAYS WITH : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  THUNDERSTORM :
-
-
 1
-
2
 6
 5
3
2
1
 -
 -
20
   2019 :
- 11141974
3
 -- 31
  FUNNEL CLOUD/WATERSPOUT :
-
-
-
-
-
-
-
-
-
1
-
-
1
   2019 :
- - - - - - - - -
- - - 0
  RAIN :
 11
 4
 15
 16
 14
 9
 11
 13
 9
 22
 7
 11
 142
   2019 :
89919191416 13 17
1912 7162
  DRIZZLE :
 3
 3
 5
 -
 2
 -
 -
 -
 3
 4
 4
 3
27
   2019 :
-61862-- -
31633
  HAIL :
 -
 - -
 -
 -
 -
 -
 -
 -
 -
 -
 -
0
   2019 :
- - - - - --- -
- - - 0
  FREEZING RAIN : -
 2
 -
 -
 -
 -
 -
 -
 -
 -
 -
 -
2
   2019 :
441-- - - - -
- -110
  FREEZING DRIZZLE : -
 2
 -
 -
 -
 -
 -
 -
 -
 -
 -
 -
2
   2019 :
13- - - - - - -
- 1-2
  ICE PELLETS :
 1
 2
 -
 1
 1
 -
 -
 -
 -
 -
 -
 1
6
   2019 :
121
2-
- - - -
- 129
  SNOW : 16
 22
 3
 8
 3
 -
 -
 -
 -
 1
 8
 14
75
   2019 :
2316 12 2- - - - -
-91476
  SNOW PELLETS :  -
 1
 -
 -
 1
 -
 -
 -
 -
 1
 2
 1
6
   2019 :
1---- -
- - -
---1
  SNOW GRAINS : -
1
 -
-
-
-
-
-
-
1
 -
-
2
   2019 :
3--- - -
- - -
- 216
  ICE CRYSTALS : -
-
 -
-
-
-
-
-
-
-
-
-
0
   2019 :
- -- - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 DAYS WITH : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  FOG : 3
1
 8
-
3
-
 -
1
2
1
 -
-
19
   2019 :
12-3861- -
2-528
  FREEZING FOG : 2
-
 -
-
-
-
-
-
-
-
 -
-
2
   2019 :
- 22- - - - - -
- - 15
  ICE FOG : -
-
-
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - - - - -
- - - 0
  BLOWING SNOW : -
1
 -
-
-
-
-
-
-
-
-
-
1
   2019 :
2- -- - - - - -
- 1- 3
  HAZE : -
1
 -
-
-
2
-
2
1
-
 2
1
9
   2019 :
- -15424-1
- 5325
  SMOKE : -
-
-
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - - - - -
- - - 0
  DUST : -
-
-
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - - - - -
- - - 0
  BLOWING DUST : -
-
-
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - - - - -
- - - 0
  BLOWING SAND : -
-
-
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2017
 DAYS WITH : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  AURORA : -
 -
 -
 -
 -
 -
 -
 -
 -
 -
 -
 -
 0
   2019 :
- - - - - - - - -
- - - 0
  EARTHQUAKE : -
-
 -
 -
 -
 -
 -
 -
 -
 -
 -
 -
 0
   2019 :
- - - - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 BRIGHT SUNSHINE : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  BRIGHT SUNSHINE DURATION : (h)
57119 154 216 245 270 241 213 179 118 89 49 1950
   2019 :
78
107
186
186
243
263
257
217
180
134
73
53
1977
  HIGHEST SOLAR RADIATION : (W/mē)
 649
 834
 917
 1196
 1225
 1276
 1237
 1130
 964
 994
 713
 531
 1276
  Date :
29th
19th
 29th
 22nd
 12th
 11th
 13th
 5th
 4th
 1st
 2nd
 7th
 6/11
  Time :
1319
1255
 1226
 1330
 1152
 1257
 1348
 1340
 1242
 1324
 1135
 2108
 1257
   2019 :
6959731103 1253 1175 1320 1302 1144 1168 845 655 547 1320
  AVERAGE DAILY MAX SOLAR RADIATION : (W/mē)
322
534
 593
 893
 919
 1012
 957
 937
 750
 581
 410
 293
 683
   2019 :
40149375584387210431052 966 805 542 402 288 705
  DARKEST SKY : (m/asē)
19.95
20.11
 20.23
 20.05
 20.15
 20.19
 20.51
 20.30
 20.18
 20.43
 20.07
 20.12
 20.51
  Date :
25th
3rd
 27th
 27th
 29th
 24th
 13th
 30th
 18th
 23rd
 17th
 10th
 7/13
  Time :
1945
0420
 0315
 0405
 0109
 0358
 0100
 0409
 0156
 0419
 2343
 0414
 0100
   2019 :
20.46
19.80
20.27
20.29
20.21
20.26
20.27
20.34
20.28
20.48
20.20
20.07
20.48
  AVERAGE DAILY MAX DARKEST SKY : (m/asē)
 19.00
 18.96
 19.40
 19.39
 19.65
 19.82
 20.20
 20.03
 19.74
 19.38
 19.57
 18.85
 19.50
   2019 :
19.1518.6019.3819.3719.4619.7019.7819.9419.8919.8419.4219.1819.48
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
All times are local.
+ indicates first of multiple occurences (on different dates).
End of month S.O.G. defined as S.O.G. at 7 AM on last day of the month.
Days With Precipitation include trace amounts.
Records from Grimsby 1910-13, Rock Chapel 1914-1966/04/17, Royal Oak 1966/04/18-1974, Grimsby 1975-1985/08/20,
     Rittenhouse 1985/08/21-1993/09/30, Vineland 1993/10/01-2003/09/17, and Grimsby Mountain 2003/09/18 to present.