XGY   Grimsby Mountain, ON
Weather Observed At   43-11-00  N    79-33-34  W
2016
Note all stats on this page use calendar days (0000-2359). MSC stats use "climate days".    
  2016 :   
 TEMPERATURE : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  RECORD HIGHEST TEMPERATURE : 17.8
18.0
 27.0
 30.6
 37.2
 36.1
 41.1
 40.6
 38.3
 30.4
 24.4
 21.0
 41.1
  HIGHEST TEMPERATURE : 11.9
14.8
 21.4
 25.4
 34.2
 33.6
 35.8
 34.1
 34.8
 25.4
 21.1
 12.2
 35.8
  Date : 31st
 28th
 9th
 18th
 28th
 27th
 22nd
 10th
 7th
 18th
 18th
 26th
 7/22
  Time : 2154
 1420
 1242
 1422
 1547
 1514
 1415
 1516
 1459
 1322
 1309
 1938
 1415
   2015 :
6.4
0.5
10.2
26.0 32.6
28.3 34.4
33.1
34.8 23.8 24.2 17.2
34.8
  AVERAGE HIGH TEMPERATURE : 1.2
3.3
 8.2
 9.5
 20.9
 25.9
 29.3
 29.7
 24.5
 17.1
 12.1
 1.8
 15.3
  Departure from Normal  :
+3.2
 +4.5
 +4.0
 -1.6
 +2.4
 +2.0
 +2.6
 +4.2
 +4.1
 +3.7
 +5.1
 +1.0
 +2.9
  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
   2015 :
-2.0 -6.5
3.6 13.0
23.0
22.6
27.5 26.2
25.1
15.4 12.1
8.2
14.0
  AVERAGE TEMPERATURE : (°C)
 -2.6
 -1.1
 4.0
 5.1
 15.2
 19.8
 23.7
 24.3
 19.7
 12.8
 7.4
 -1.1
 10.6
  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 : -6.5
 -5.6
 -0.2
 0.6
 9.4
 13.8
 18.1
 19.0
 14.9
 8.4
 -0.1
 -4.1
 5.6
  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 : -15.6
 -20.4
 -9.5
 -7.0
 1.8
 7.3
 10.8
 13.9
 9.1
 -1.2
 -5.2
 -13.8
 -20.4
  Date : 5th
14th
 2nd
 10th
 16th
 9th
 2nd
 23rd
 24th+
 28th
 23rd
 16th
 2/14
  Time : 0802 0751
 0315
 0544
 0208
 0403
 0533
 0343
 2240
 0750
 0143
 0638
 0751
   2015 :
-21.3 -26.7 -18.1
-2.8
1.0
6.4
10.7 11.3 7.9
-1.7 -6.7 -5.2 -26.7
  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
  2016
 RELATIVE HUMIDITY : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  HIGHEST RELATIVE HUMIDITY : 97
 100
 99
 95
 100
 96
 97
 96
 97
 98
 100
 98
 100
  Date : 10th
24th+
 10th
 2nd+
 1st+
 27th
 31st
 26th 23rd 27th 24th 6th 2/24+
  Time : 0725
2140
 0959
 0126
 0855
 0552
 0952
 0345
 1315
 1240
 1700
 2330
 2140
  AVERAGE RELATIVE HUMIDITY : (%)
75
72
 73
 67
 62
 60
 64
 68
 70
 74
 75
 78
 70
  Departure from Normal  :
+1 +3 +1 +5 -6 -8 -4 -4 -7 -3 -4 -2 -2
  Normal  :
74
69
 72
 62
 68
 68
 68
 72
 77
 77
 79
 80
 72
   2015 :
72
72
66
67
64
77
69
73
75
73 74 82
72
  LOWEST RELATIVE HUMIDITY : 45
 40
 24
 19
 17
 12
 22
 22
 24
 41
 39
 47
 12
  Date : 27th
19th+
 29th
 17th
 24th
 14th
 22nd+
 8th
 21st
 10th+
 7th
 16th
 6/14
  Time : 1354
1108
 1653
 1502
 1430
 1802
 1754
 1740
 1323
 1623
 1404
 1317
 1802
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2016
 DEW POINT : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  HIGHEST DEW POINT : 8.6
 10.6
 13.2
 14.6
 21.1
 22.3
 25.1
 27.1
 24.1
 19.6
 14.9
 11.1
 27.1
  Date : 31st
3rd
 31st
 22nd
 27th+
 27th
 25th
 12th
 8th
 17th
 2nd
 26th
 8/12
  Time : 2333
1408
 2243
 0944
 1114
 0142
 1351
 1257
 1057
 1155
 1143
 1930
 1257
  AVERAGE DEW POINT : (°C) -6.1
-5.7
 -0.5
 -0.9
 7.0
 10.3
 15.3
 17.6
 13.8
 8.3
 3.3
 -4.3
 4.8
  Departure from Normal  :
+3.3
 +3.9
 +3.8
 -1.2
 0.0
 -2.0
 0.0
 +2.3
 +2.3
 +2.8
 +2.9
 +1.3
 +1.6
  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
   2015 :
-10.5 -15.2 -7.0 1.3 8.9 13.9
15.9 16.1 15.2
6.6 3.4 2.4 4.3
  LOWEST DEW POINT : -19.0
 -25.6
 -14.7
 -17.2
 -6.2
 -9.1
 5.7
 2.8
 2.4
 -5.4
 -9.1
 -16.7
 -25.6
  Date : 5th
13th
 2nd
 5th
 15th
 14th
 2nd+
 8th
 27th
 26th
 21st
 14th+
 2/13
  Time : 0755
0734
 2044
 1434
 1821
 1802
 1610
 1740
 1648
 0858
 0245
 0632
 0734
  Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  2016
 PRECIPITATION : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  TOTAL PRECIPITATION : (mm)
 42.8
 89.9
 141.5
 67.7
 21.8
 32.0
 37.7
 73.0
 54.0
 70.2
 64.1
 70.8
 765.5
  % of Normal  :
60%
 168%
 226%
 89%
 29%
 40%
 49%
 98%
 58%
 94%
 92%
 96%
 87%
  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
   2015 :
63.3 57.5 34.0 86.8 71.5 135.4 38.4 62.9 59.6
88.6 56.4 60.6 815.0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2016
 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
 35.6
 68.6
 78.0
 72.6
 90.2
 77.0
 115.3
 60.2
 57.4
 115.3
  MOST RAINFALL IN 1 DAY : 14.9
 35.2
 33.3
 12.8
 6.8
 12.1
 17.0
 18.4
 16.4
 16.2
 19.0
 15.0
 35.2
  Date : 10th
24th
 31st
 26th
 1st
 5th
 25th
 11th
 10th
 20th
 3rd
 26th
 2/24
   2015 :
21.0 TR
4.4 29.0 51.3 47.4 13.0 24.8
29.0
48.7 19.2 9.4 51.3
  HIGHEST RAIN RATE : (mm/h) 12.8
 30.6
 137.2
 93.0
 7.4
 91.4
 87.2
 106.6
 79.0
 60.6
 43.6
 54.4
 137.2
  Date : 10th
24th
 31st
 26th
 13th
 5th
 25th
 16th
 17th
 2nd
 3rd
 26th
 3/31
  Time : 0643
1132
 2249
 0225
 0201
 0355
 0621
 1514
 0534
 0653
 0514
 1949
 2249
   2015 :
16.5 TR 1.8 91.4 80.0 91.4 97.6 70.2 36.4 48.7 19.2 9.4 97.6
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2016
 SNOWFALL : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  TOTAL SNOWFALL : (cm)
 29.2
 22.2
 10.8
 41.8
 TR



0.6
 0.8
 32.2
 137.6
  % of Normal  :
59%
 68%
 60%
 516%




600%
 13%
 96%
 93%
  Normal :
49.6
32.6
18.0
8.1
0.2
0
0
0
0
0.1
6.0
33.4
148.0
   2015 :
33.6 73.0 13.2 0.4 0 -
- - -
TR 1.8 4.4 126.4
  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 : 13.4
 10.4
 6.0
 9.2
 TR



0.6
 0.8
 12.6
 13.4
  Date : 12th
 16th
 1st
 3rd
 15th



27th
 23rd
 11th
 1/12
   2015 :
9.8 16.2 5.2 0.2 0 -
- - -
TR 1.8 4.4 16.2
  Highest Snow on Ground : 13
 16
 9
 12
 TR



TR
 TR
 18
 18
  Date : 12th
 17th
 2nd
 4th
 15th



27th
 20th+
 17th
 12/17
   2015 : 15 42 44 TR 0 -
- - -
0 1 4 44
  Average Snow on Ground : 3
3
 1
 1
 0



0
 0
 6
 1
   2015 :
5 35 19 0
0 -
- - -
0TR TR 5
  Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  2016
 WIND : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  HIGHEST WIND SPEED : (kt)
 28
 35
 29
 32
 23
 17
 17
 23
 23
 27
 30
 26
 35
  HIGHEST WIND DIRECTION : 020
180
 010
 360
 200
 110
 350
 200
 060
 360
 190
 230
 180
  Date : 23rd
29th
 1st+
 4th
 16th
 1st+
 30th
 16th
 30th
 20th+
 10th
 20th+
 2/29
  Time : 0546
1434
 2118
 0729
 1639
 0319
 1209
 1418
 1627
 2343
 1500
 1645
 1434
   2015 :
27 33 30 30 27 24 25 16 26 32 29 30 33
  AVERAGE DAILY PK GUST : (kt)
18.2
18.9
 18.2
 17.0
 13.5
 12.7
 12.5
 11.4
 13.5
 14.5
 15.7
 16.5
 15.2
   2015 :
18.7
18.3
 16.8
 17.3
 14.3
 12.3
 10.3
 8.8
 12.8
 17.2
16.2
15.7
 14.9
  PREVAILING WIND DIRECTION :
SW
SSW
 SSW
 N
SSW
SW
 SSW
 SW
 SSW
SSW
SSW
SW
SSW
   2015 :
SW
SW
SW
NNE
SW
NNE
SW
SW
SW
SW
SSW
SW
SW
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2016
 PRESSURE : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  HIGHEST PRESSURE :
 30.69
 30.63
 30.40
 30.52
 30.27
 30.24
 30.25
 30.24
 30.32
 30.50
 30.44
 30.75
 30.75
  Date :
5th
18th
 11th
 5th
 20th
 19th
 20th
 23rd
 15th+
 26th
 7th
 19th
 12/19
  Time :
0915
1130
 2030
 1145
 0930
 0815
 1045
 0715
 1015
 0915
 0830
 1015
 1015
   2015 :
30.83 30.82 30.66 30.40 30.48 30.22 30.12 30.20 30.43 30.50 30.57 30.69 30.83
  AVERAGE PRESSURE : (in.)
29.96
29.96
 29.98
 30.04
 29.95
 29.90
 29.91
 29.97
 30.05
 30.08
 30.03
 30.04
 29.99
  Departure from Normal  :
-0.04 -0.08 -0.01 +0.06 -0.01 -0.06 -0.07 -0.05 +0.01 +0.03 +0.01 +0.01 -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
   2015 :
30.12 30.13 30.12 29.96 30.06 29.92 29.88 29.94 30.05
30.05 30.10 30.01 30.03
  LOWEST PRESSURE :
 29.09
 29.18
 29.34
 29.24
 29.46
 29.43
 29.64
 29.54
 29.66
 29.53
 29.42
 29.46
 29.09
  Date :
10th
24th+
 31st
 7th
 14th
 5th
 8th+
 21st
 10th
 18th
 30th
 1st
 1/10
  Time :
1345
2345
 2145
 0615
 1130
 1800
 2345
 0330
 1730
 1415
 2030
 0015
 1345
   2015 :
29.49 29.56 29.56 29.33 29.74 29.55 29.45 29.57 29.62 29.32 29.29 29.29 29.29
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2016
 DAYS WITH : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  THUNDERSTORM :
-
-
 3
1
1
3
3
5
3
1
-
-
20
   2015 :
- - - 3 3 5 3 8 -
1 - 1 24
  FUNNEL CLOUD/WATERSPOUT :
-
-
-
-
-
-
-
-
-
-
-
-
0
   2015 :
- - - - - - - - -
- - - 0
  RAIN :
 9
 11
 17
 10
 10
 16
 11
 15
 12
 16
 14
 8
149
   2015 :
4 - 7 16 13 16 9 12 9
21 12 15 134
  DRIZZLE :
 2
 2
 3
 -
 2
 -
 -
 -
 1
 -
 2
 2
14
   2015 :
2 - 4 3 1 2 1 - 2
3 3 7 26
  HAIL :
 -
 -
 -
 -
 -
 -
 -
 -
 -
 -
 -
 -
0
   2015 :
- - - - - - - - -
- - - 0
  FREEZING RAIN : -
 -
 2
 1
 -
 -
 -
 -
 -
 -
 1
 3
7
   2015 :
1 - 1 - - - - - -
- - 2 4
  FREEZING DRIZZLE : -
 2
 -
 -
 -
 -
 -
 -
 -
 -
 2
 1
5
   2015 :
2 2 1 - - - - - -
- - - 5
  ICE PELLETS :
 -
 2
 3
 1
 1
 -
 -
 -
 -
 1
 -
 -
8
   2015 :
2 1 1
1 -
- - - -
- - 1 6
  SNOW : 21
 16
 7
 6
 1
 -
 -
 -
 -
 1
 2
 20
74
   2015 :
25 21 11 4 - - - - -
1 5 5 72
  SNOW PELLETS :  -
 2
 -
 1
 1
 -
 -
 -
 -
 -
 -
 1
5
   2015 :
1 - - - - -
- - -
- 1 - 2
  SNOW GRAINS : -
1
-
-
-
-
-
-
-
-
-
3
4
   2015 :
- - - - - -
- - -
- - - 0
  ICE CRYSTALS : 1
-
-
-
-
-
-
-
-
-
-
1
2
   2015 :
- - - - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2016
 DAYS WITH : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  FOG : 1
3
6
-
2
-
1
-
-
-
2
-
15
   2015 :
1 - - 2 1 5 1 - -
1 3 6 20
  FREEZING FOG : -
1
-
-
-
-
-
-
-
-
-
-
1
   2015 :
- - - - - - - - -
- - 1 1
  ICE FOG : -
-
-
-
-
-
-
-
-
-
-
-
0
   2015 :
- - - - - - - - -
- - - 0
  BLOWING SNOW : 1
-
-
1
-
-
-
-
-
-
-
-
2
   2015 :
1 5 - - - - - - -
- - - 6
  HAZE : 1
-
-
2
4
-
4
-
1
-
1
-
13
   2015 :
- - 3 - 7 1 5 3 6
- - 4 29
  SMOKE : -
-
-
-
-
-
-
-
-
-
-
-
0
   2015 :
- - - - - - - - -
- - - 0
  DUST : -
-
-
-
-
-
-
-
-
-
-
-
0
   2015 :
- - - - - - - - -
- - - 0
  BLOWING DUST : -
-
-
-
-
-
-
-
-
-
-
-
0
   2015 :
- - - - - - - - -
- - - 0
  BLOWING SAND : -
-
-
-
-
-
-
-
-
-
-
-
0
   2015 :
- - - - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2016
 DAYS WITH : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  AURORA : -
 -
 -
 -
 -
 -
 -
 -
 -
 -
 -
 -
 0
   2015 :
- - - - - - - - -
- - - 0
  EARTHQUAKE : -
-
 -
 -
 -
 -
 -
 -
 -
 -
 -
 -
 0
   2015 :
- - - - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2016
 SOLAR RADIATION : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 YEAR
  HIGHEST SOLAR RADIATION : (W/m²)
 677
 843
 959
 1385
 1219
 1283
 1184
 1093 933 913 681 581 1385
  Date :
27th
29th
 21st
 29th
 3rd
 8th
 1st
 1st
 27th
 3rd
 9th
 7th
 4/29
  Time :
1211
1222
 1257
 1304
 1439
 1235
 1214
 1205
 1309
 1135
 1241
 1226
 1304
   2015 :
558 746 964 1186 1147 1156 1079 1091 996 889 605 489 1186
  AVERAGE DAILY MAX SOLAR RADIATION : (W/m²)
350
538
 583
 809
 963
 1016
 992
 919
 734
 596
 438
 293
 686
   2015 :
n/a 472 688 881 917 913 939 922 701 582 433 253 n/a
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2016
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.