XGY   Grimsby Mountain, ON
Weather Observed At   43-11-00  N    79-33-34  W
2015
Note all stats on this page use calendar days (0000-2359). MSC stats use "climate days".    
  2015 :   
 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 : 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
  Date : 4th
7th
16th
13th
9th
21st
29th
17th
7th
12th
5th
23rd
9/7
  Time : 1115
1543
1426
1521
1427
1456
1349
1518
1350
1510
1332
2354
1350
   2014 :
8.3
10.0
12.8
25.2 30.3
31.3 31.6
31.8
31.2 26.0 18.7 12.4
31.8
  AVERAGE HIGH TEMPERATURE : -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
  Departure from Normal  :
0.0
-5.3
-0.6
+1.9
+4.5
-1.3
+0.8
+0.7
+4.7
+2.0
+5.1
+7.4
+1.6
  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
   2014 :
-3.0 -2.4
1.9 12.1
19.9
25.1
25.8 25.3
22.4
16.1 6.9
3.6
12.8
  AVERAGE TEMPERATURE : (°C)
-6.5
-11.2
-1.0
7.9
8.9
17.8
21.9
21.1
20.1
11.2
7.6
5.0
8.6
  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 : -11.1
-16.0
-5.5
2.8
10.0
12.9
16.3
16.1
15.1
6.9
3.1
1.8
4.4
  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 : -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
  Date : 14th
16th
6th
1st
23rd
1st
3rd
6th
14th
19th
23rd
20th
2/16
  Time : 0544 0639
0428
0659
0614
0048
0539
0615
0643
0150
0625
0758
0639
   2014 :
-22.5 -20.3 -20.3
-5.6
3.3
9.3
10.8 11.5 5.6
0.2 -11.2 -10.1 -22.5
  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
  2015
 RELATIVE HUMIDITY : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  HIGHEST RELATIVE HUMIDITY : 98
95
97
100
98
100
98
95
96
99
100
100
100
  Date : 3rd
4th+
3rd+
8th+
31st
12th+
1st
2nd+
12th+
6th
10th+
13th+
4/8+
  Time : 2025
0119
1730
2006
1923
2045 0000 0401 0614 0955 1007 2349 2006
   2014 :
97
100 99 100
100 98
97 99 98
100 96 99 100
  AVERAGE RELATIVE HUMIDITY : (%)
72
72
66
67
64
77
69
73
75
73
74
82
72
  Departure from Normal  :
-2 +3 -6 +5 -4 +9 +1 +1 -2 -4 -5 +2 ±0
  Normal  :
74
69
72
62
68
68
68
72
77
77
79
80
72
   2014 :
74
71
67
67
70
72
71
75
77
80 76 81
73
  LOWEST RELATIVE HUMIDITY : 26
22
23
14
19
37
28
34
35
33
36
44
14
  Date : 28th
17th
12th+
12th
22nd
25th
30th
2nd
14th
12th
20th
21st
4/12
  Time : 1416
1239
1442
1741
1645
1501
1430
1209
1437
1512
1219
0038
1741
   2014 :
40
31
34
17
25
22
23
38
26
42 41 43
17
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2015
 DEW POINT : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  HIGHEST DEW POINT : 5.7
-0.5
6.7
16.9
21.8
23.9
24.6
23.8
24.7
16.0
17.1
14.3
24.7
  Date : 4th
4th
25th
20th
18th
15th
18th
18th
8th
9th
6th
14th+
9/8
  Time : 1115
1228
1840
1543
1057
1600
1205
1009
1138
1000
1120
1829
1138
   2014 :
7.4
5.3
8.2
15.6
23.8 24.8
24.5 23.5
24.6
19.1 13.3 11.1 24.8
  AVERAGE DEW POINT : (°C) -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
  Departure from Normal  :
-1.1
-5.6
-2.7
+1.0
+1.9
+1.6
+0.6
+0.8
+3.7
+1.1
+3.0
+8.0
+1.1
  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
   2014 :
-10.6 -11.1 -8.6 0.7 8.6 14.3
15.4 16.2 13.3
8.3 -0.7 -2.0 3.7
  LOWEST DEW POINT : -24.9
-30.9
-21.4
-10.8
-10.0
0.7
6.9
7.6
4.3
-4.7
-9.8
-9.0
-30.9
  Date : 7th
16th
6th
15th
22nd
7th
3rd
12th
30th
19th
23rd
19th
2/16
  Time : 1641
0639
0655
0504
2130
0003
1811
1618
2150
0619
0532
0736
0639
   2014 :
-27.1
-24.9 -25.4 -12.5 -1.3 1.2 5.2 6.9 -0.8 -1.3 -14.1 -15.4
-27.1
  Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2015
 PRECIPITATION : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  TOTAL PRECIPITATION : (mm)
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
  % of Normal  :
88%
107%
54%
114%
94%
168%
50%
85%
64%
118%
81%
82%
92%
  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
   2014 :
61.8 77.4 61.5 132.7 90.0 66.3 115.6 22.7 70.4
88.0 62.1 42.6 891.1
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2015
 RAINFALL : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  TOTAL RAINFALL : (mm)
39.0
TR
14.9
85.6
71.5
135.4
38.4
62.9
59.6
88.6
55.6
42.1
693.6
  % of Normal  :
133%
0%
34%
126%
94%
168%
50%
85%
64%
119%
87%
97%
92%
  Normal : 29.3
25.5
44.2
68.2 76.1
80.7
77.1
74.2
93.5
74.7
64.0
43.3
750.8
   2014 :
27.5 36.2 11.7 126.7 90.0 66.3
115.6 22.7 70.4 88.0 40.9 21.3 717.3
  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 : 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
  Date : 4th
7th+
25th
8th
31st
27th
31st
18th
12th
28th
10th
29th
5/31
   2014 :
11.0 13.2 7.4 24.5 25.8 21.0 33.8 8.6 23.4
30.4 14.2 6.0 33.8
  HIGHEST RAIN RATE : (mm/h) 16.5
TR
1.8
91.4
80.0
91.4
97.6
70.2
36.4
87.2
46.8
17.6
97.6
  Date : 4th
11th
25th+
8th
27th
7th
31st
18th
9th
24th
6th
14th
7/31
  Time : 0714
2030
1350
1237
1747
2133
2140
1233
0932
2247
1038
1857
2140
   2014 :
11.9 9.4 29.7 67.1 104.4 146.3 137.9 23.9 79.5 23.9 54.6 2.6 146.3
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2015
 SNOWFALL : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  TOTAL SNOWFALL : (cm)
33.6
73.0
13.2
0.4
0.0




TR
1.8
4.4
126.4
  % of Normal  :
67%
224%
73%
5%
0%




0%
30%
13%
85%
  Normal :
49.6
32.6
18.0
8.1
0.2
0
0
0
0
0.1
6.0
33.4
148.0
   2014 :
49.0 43.6 52.4 3.0 0 -
- - -
0 31.0 15.2 194.2
  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 : 9.8
16.2
5.2
0.2
0.0




TR
1.8
4.4
16.2
  Date : 27th
2nd
3rd
5th+





18th
23rd
28th
2/2
   2014 :
14.0 19.6 22.2 3.0 0 -
- - -
0 15.4 13.8 22.2
  Highest Snow on Ground : 15
42
44
TR
0




0
1
4
44
  Date : 27th
21st
3rd
1st+






23rd+
28th
3/3
   2014 : 28 34 39 3 0 -
- - -
0 20 14 39
  Average Snow on Ground : 5
35
19
0






TR
TR
5
   2014 :
13 26 23 0
0 -
- - -
02 1 5
  End of Month Snw on Gnd :  1339
TR
0






0
1
--
   2014 :
15 23 5 0 0 -
- - -
0 0 TR --
  Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2015
 WIND : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  HIGHEST WIND SPEED : (kt)
27
33
30
30
27
24
25
16
26
32
29
30
33
  HIGHEST WIND DIRECTION : 210
020
220
240
230
230
010
060
010
010
200
200
020
  Date : 1st+
2nd
29th
21st
27th
23rd
15th
8th
30th
3rd
12th
11th
2/2
  Time : 1122
0547
0316
1555
1745
0334
0118
1423
0517
0629
1257
1140
0547
   2014 :
31 33 37 30 24 17 24 17 19 30 35 36 37
  AVERAGE WIND SPEED : (kt)













   2014 :













  PREVAILING WIND DIRECTION :













   2014 :













 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2015
 PRESSURE : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  HIGHEST PRESSURE :
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
  Date :
13th
28th
12th
15th+
14th
2nd+
11th
28th
26th
26th+
25th
5th
1/13
  Time :
1015
1145
1300
2230
0945
1030
0915
0915
1015
1045
1030
1045
1015
   2014 :
30.69 30.59 30.66 30.57 30.31 30.28 30.26 30.20 30.51 30.31 30.50 30.81 30.81
  AVERAGE PRESSURE : (in.)
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
  Departure from Normal  :
+0.12 +0.09 +0.13 -0.02 +0.10 -0.04 -0.10 -0.08 +0.01 0.00 +0.08 -0.02 +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
   2014 :
29.98 30.09 30.09 30.01 30.01 29.97 29.94 30.00 30.08
29.91 30.01 30.15 30.02
  LOWEST PRESSURE :
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
  Date :
24th
14th
3rd
20th
12th
10th
14th
2nd
19th
13th
12th
14th
11/12+
  Time :
1430
1215
1930
1530
0100
1830
1645
2230
1500
0400
1230
1830
1230
   2014 :
29.21 29.49 29.49 29.32 29.62 29.69 29.49 29.65 29.54 29.49 29.15 29.18 29.15
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2015
 DAYS WITH : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  THUNDERSTORM :
-
-
-
3
3
5
3
8
-
1
-
1
24
   2014 :
- 2 - - 6 7 3 3 4
- - 1 26
  FUNNEL CLOUD/WATERSPOUT :
-
-
-
-
-
-
-
-
-
-
-
-
0
   2014 :
- - - - - - - - -
- - - 0
  RAIN :
4
-
7
16
13
16
9
12
9
21
12
15
134
   2014 :
4 4 7 16 21 13 19 11 12
20 13 9 149
  DRIZZLE :
2
-
4
3
1
2
1
-
2
3
3
7
26
   2014 :
3 - - 1 - - - 1 2
1 1 8 17
  HAIL :
-
-
-
-
-
-
-
-
-
-
-
-
0
   2014 :
- - - - - - - - -
- - - 0
  FREEZING RAIN : 1
-
1
-
-
-



-
-
2
4
   2014 :
2 1 2 - - - - - -
- - - 5
  FREEZING DRIZZLE : 2
2
1
-
-
-



-
-
-
5
   2014 :
- - - - - - - - -
- - 1 1
  ICE PELLETS :
2
1
1
1
-
-



-
-
1
6
   2014 :
1 - -
- -
- - - -
- - - 1
  SNOW : 25
21
11
4
-
-



1
5
5
72
   2014 :
28 23 13 3 - - - - -
- 14 10 91
  SNOW PELLETS :  1
-
-
-
-
-



-
1
-
2
   2014 :
- - - - - -
- - -
- 1 1 2
  SNOW GRAINS : -
-
-
-
-
-



-
-
-
0
   2014 :
2 - - - - -
- - -
- - - 2
  ICE CRYSTALS : -
-
-
-
-
-



-
-
-
0
   2014 :
2 1 - - - - - - -
- - - 3
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2015
 DAYS WITH : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  FOG : 1
-
-
2
1
5
1
-
-
1
3
6
20
   2014 :
1 1 - 5 5 2 1 1 1
4 - 3 24
  FREEZING FOG : -
-
-
-
-
-



-
-
1
1
   2014 :
2 - 2 - - - - - -
- - - 4
  ICE FOG : -
-
-
-
-
-
-
-
-
-
-
-
0
   2014 :
- - - - - - - - -
- - - 0
  BLOWING SNOW : 1
5
-
-
-
-



-
-
-
6
   2014 :
5 2 1 - - - - - -
- - - 8
  HAZE : -
-
3
-
7
1
5
3
6
-
-
4
29
   2014 :
- 1 2 1 5 1 4 4 2
- - - 20
  SMOKE : -
-
-
-
-
-
-
-
-
-
-
-
0
   2014 :
- - - - - - - - -
- - - 0
  DUST : -
-
-
-
-
-
-
-
-
-
-
-
0
   2014 :
- - - - - - - - -
- - - 0
  BLOWING DUST : -
-
-
-
-
-
-
-
-
-
-
-
0
   2014 :
- - - - - - - - -
- - - 0
  BLOWING SAND : -
-
-
-
-
-
-
-
-
-
-
-
0
   2014 :
- - - - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2015
 DAYS WITH : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  AURORA : -
-
-
-
-
-
-
-
-
-
-
-
0
   2014 :
- - - - - - - - -
- - - 0
  EARTHQUAKE : -
-
-
-
-
-
-
-
-
-
-
-
0
   2014 :
- - - - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2015
 SOLAR RADIATION : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  HIGHEST SOLAR RADIATION : (W/m²)
558
746
964
1186
1147
1156
1079
1091
996
889
605
489
1186
  Date :
25th
6th
18th
30th
19th
23rd
7th
4th
11th
1st
6th
8th
4/30
  Time :
1308
1324
1234
1209
1253
1409
1255
1220
1203
1246
1259
1219 1209
   2014 :
n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a
  AVERAGE DAILY MAX SOLAR RADIATION : (W/m²)
N/A
472
688
881
917
913
939
922
701
582
433
253
N/A
   2014 :
n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a
 Jan
Feb
Mar
Apr
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YEAR
  2015
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.



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