XGY   Grimsby Mountain, ON
Weather Observed At   43-11-00  N    79-33-34  W
2012
Note all stats on this page use calendar days (0000-2359). MSC stats use "climate days".    
  2012 :   
 TEMPERATURE : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  Record High 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 : 10.7
11.2
25.1
27.4
33.6
34.9
37.6
35.1
29.9
24.4
20.2
17.0
37.6
  Date : 6th+
27th
22nd
16th
28th
20th
17th
4th
13th
4th
12th
4th
7/17
  Time : 1348
1315
1554
1409
1454
1319
1450
1502
1400
1319
1242
1050
1450
   2011 :
12.2
12.3
15.9
25.1 33.1
34.0 38.5
31.7
31.3 28.2 18.1 13.6
38.5
  Average Maximum Temperature : 2.6 4.0
12.3
13.4
22.3
26.6
30.3
27.8
22.2
15.0
7.9
4.9
15.8
  Departure from Normal  :
+4.6
+5.2
+8.1
+2.3
+3.8
+2.7
+3.6
+2.3
+1.8
+1.6
+0.9
+4.1
+3.4
  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
   2011 :
-2.1 0.4
4.6
11.4
17.9
24.7
30.5 27.0
22.2
15.5 11.5
5.2
14.1
  Average Temperature : (°C)
-1.1
0.4
7.0
8.0
16.5
20.9
24.6
22.1
17.0
10.8
4.1
1.9
11.0
  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 Minimum Temperature : -4.8
-3.2
1.7
2.5
10.7
15.1
18.8
16.4
11.8
6.5
0.4
-1.2
 6.2
  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 : -14.3
-13.3
-10.2
-2.3
2.8
9.8
14.9
10.6
4.4
0.0
-3.3
-7.2
-14.3
  Date : 3rd
11th
5th
28th+
17th
13th
21st
21st
24th
13th
27th
28th
1/3
  Time : 2126 2157
0625
0605
0551 0458
0545
0433
0626
0041
2233
2201
2126
   2011 :
-22.6 -17.9 -12.5
-1.3
3.9
7.1
11.2 11.4 4.4
-2.7 -3.3 -10.0
-22.6
  Record Low 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
  2012
 RELATIVE HUMIDITY : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  Highest Relative Humidity : 99
99
98
97
97
96
95
98
99
100
99
99
100
  Date : 26th+
29th
1st+
15th
2nd
1st+
4th+
15th
4th
23rd+
19th
9th+
10/23+
  Time : 2350
2115
0000
0628
0759
1923
0044
0624
1608
2059
0630
2302
2059
   2011 :
96
98
99
100
100
98
98 98
98
100 99 99
100
  Average Relative Humidity : (%)
76
74
69
62
67
66
63
69
71
79
73
81
71
  Departure from Normal  :
+2
+5
-3
0
-1
-2
-5
-3
-6
+2
-6
+1
-1
  Normal  :
74
69
72
62
68
68
68
72
77
77
79
80
72
   2011 :
77
74
73
75
79
72
65
73
79
77 74 80
75
  Lowest Relative Humidity : 38
39
13
14
20
21
22
23
35
39
35
47
13
  Date : 15th 9th
27th
29th
15th
30th
6th
21st
10th
11th
29th
5th+
3/27
  Time : 1344 1329
1708
1439
1307
1430
1619
1311
1548
1215
1404
1417
1708
   2011 :
42
38
25
26
21
23
23
26
36
41 38 45
21
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2012
 DEW POINT : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  Highest Dew Point : 9.4
7.6
16.2
16.5
22.4
24.0
24.9
24.2
23.1
18.4
13.1
12.9
24.9
  Date : 17th
1st
22nd
16th
28th
19th
4th
5th
4th
3rd
12th
4th
7/4
  Time : 1700
0121
1231
1359
1313
1503
1701
1513
1035
1434
1424
0141
1701
   2011 :
11.5
7.6
11.3
18.5
24.8
25.6
25.8 26.1
24.7
18.5 13.6 11.4 26.1
  Average Dew Point : (°C) -4.7
-3.7
1.3
0.2
9.8
13.8
16.2
15.7
11.9
7.5
-0.2
-1.0
5.6
  Departure from Normal  :
+4.7
+5.9
+5.6
-0.1
+2.8
+1.5
+0.9
+0.4
+0.4
+2.0
-0.6
+4.6
+2.4
  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
   2011 :
-9.2 -8.3 -4.0 2.7 9.7 14.0
16.7 16.7 14.6
7.6 3.6 -1.4 5.2
  Lowest Dew Point : -21.9
-15.7
-19.8
-14.2
-4.0
4.6
6.1
3.5
1.2
-5.3
-8.3
-9.2
-21.9
  Date : 3rd
11th
27th
29th
17th
13th
10th
21st
23rd
13th
27th
30th
1/3
  Time : 1115
2155
1704
1919
1322
0101
1716
1311
1628
0153
1126
0630
1115
   2011 :
-26.0
-20.8
-18.7
-8.2 -5.3 -0.6 1.9 7.1
0.4
-3.0 -7.3 -13.2
-26.0
  Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2012
 PRECIPITATION : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  Total Precipitation : (mm)
97.8
41.8
52.3
50.4
25.9
70.8
56.3
81.4
128.2
173.1
18.6
96.3
892.9
  % of Normal  :
136%
78%
84%
66%
34%
88%
73%
110%
137%
231%
27%
131%
101%
  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
   2011 :
52.4 84.7 138.8 144.5 170.8 58.1 51.9 73.4 137.9
110.2 106.3 93.3 1222.3
  Record Precipitation in 1 Day :
52.1
40.6
51.6
41.9
68.6
78.0
72.6
90.2
77.0
115.3
60.2
61.0
115.3
  Most Precipitation in 1 Day :
19.6
12.2
11.8
14.2
11.6
21.6
25.9
30.6
44.7
30.5
8.4
19.1
44.7
  Date :
27th
11th
24th
21st
8th
1st
22nd
27th
8th
27th
12th
26th
9/8
   2011 :
12.7 22.5 35.8 23.1 29.6 21.8 31.0 29.8 24.8
17.8 45.3 29.8 45.3
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2012
 RAINFALL : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  Total Rainfall : (mm)
69.8
15.0
38.1
50.0
25.9
70.8
56.3
81.4
128.2
173.1
14.6
59.4
782.6
  % of Normal  :
238%
59%
86%
73%
34%
88%
73%
110%
137%
232%
23%
137%
104%
  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
   2011 :
13.7 23.8 90.8 133.3 170.8 58.1
51.9 73.4 137.9 110.2 103.5 76.3 1043.7
  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 : 16.6
9.0
11.8
14.2
11.6
21.6
25.9
30.6
44.7
30.5
8.4
14.2
44.7
  Date : 17th
24th
24th
21st
8th
1st
22nd
27th
8th
27th
12th
2nd
9/8
   2011 :
11.2 21.8 35.8 23.1 29.6 21.8 31.0 29.8 24.8
17.8 45.3 23.4 45.3
  High Rain Rate : (mm/h) 21.1
6.6
16.3
11.9
37.3
90.4
104.4
116.1
100.3
41.9
9.7
17.0
116.1
  Date : 23rd24th
2nd
20th
3rd
21st
7th
27th
4th
30th
12th
2nd
8/27
  Time : 08400946
2219
2152
2241
2102
0907
1316
1551
1018
1731
0835
1316
   2011 :
11.2 21.1 8.6 174.2 116.1 112.5
109.2 92.7 178.3 22.1 15.0 21.1 178.3
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2012
 SNOWFALL : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  Total Snowfall : (cm)
31.2
24.8
11.2
TR
-
-
-
-
-
-
3.6
28.6
99.4
  % of Normal  :
63%
76%
62%
0%
-




-
60%
86%
67%
  Normal :
49.6
32.6
18.0
8.1
0.2
0
0
0
0
0.1
6.0
33.4
148.0
   2011 :
46.2 55.8 31.4 3.4 - -
- - -
- 0.6 6.4 143.8
  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 : 9.4
10.0
6.0
TR
-
-



-
2.8
14.0
14.0
  Date : 29th
11th
9th
1st+
-




-
30th
26th
12/26
   2011 :
10.4 12.2 20.4 2.0 - -
- - -
- 0.4 3.0 20.4
  Highest Snow on Ground : 11
13
5
TR
-




-
2
22
22
  Date : 30th
12th
9th
1st
-




-
30th
30th
12/30
   2011 : 27 40 20 2 - -
- - -
- TR 3 40
  Average Snow on Ground : 2
2
TR
0
-




-
TR
3
 1
   2011 :
16 25 8 TR
- -
- - -
- 0 TR 4
  End of Month Snw on Gnd : 10
TR
3
0
-





0
20
--
   2011 :
23 18 3 0 - -
- - -
- 0 0 --
  Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2012
 WIND : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  Highest Wind Speed : (kt)
28
30
38
36
22
23
23
15
22
43
24
31
43
  Highest Wind Direction : 240
200
210
020
010
020
020
230
040
340
220
020
340
  Date : 23rd
24th
3rd
23rd
5th
25th
24th
5th+
8th
29th
12th+
27th
10/29
  Time : 2251
1623
0247
0540
0900
1150
1708
0424
0841
2018
1358
0136 2018
   2011 :
27 34 28 48 26 28 17 24 30 30 32 29 48
  Average Wind Speed : (kt)













   2011 :













  Prevailing Wind Direction :













   2011 :













 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2012
 PRESSURE : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  Highest Pressure :
30.52
30.48
30.58
30.39
30.23
30.27
30.16
30.21
30.27
30.46
30.65
30.43
30.65
  Date :
15th 28th
10th
17th
17th
14th
11th
26th
27th
12th
17th
6th
11/17
  Time :
1900
1000
0930
2200
0915
0915
1045
0830
1030
2215
1045
0045
1045
   2011 :
30.56 30.49 30.68 30.45 30.19 30.22 30.08 30.14 30.40 30.41 30.43 30.55 30.68
  Average Pressure : (")
29.91
30.02
30.02
29.97
29.97
29.90
29.92
29.94
29.98
29.91
30.17
29.98
29.97
  Departure from Normal  :
-0.09 -0.02 +0.03 -0.01 +0.01 -0.06 -0.06 -0.08 -0.06 -0.14 +0.15 -0.05 -0.04
  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
   2011 :
29.98 29.98 30.09 29.85 29.91 29.87 29.87 29.82 29.94
29.94 29.97 30.07 29.94
  Lowest Pressure :
29.21
29.15
29.10
29.31
29.63
29.50
29.52
29.64
29.43
29.14
29.47
29.23
29.10
  Date :
13th
24th
3rd
24th
29th
1st
26th
10th
8th
30th
1st
21th
3/3
  Time :
0115 1445
0045
0545
1515
2000
0500
1615
0745
0600
0200
1230
0045
   2011 :
29.30 29.23 29.37 29.17 29.52 29.50 29.58 29.45 29.41 29.13 29.43 29.32 29.13
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2012
 DAYS WITH : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  Thunderstorm :
-
-
3
1
1
9
7
4
2
2
-
-
29
   2011 :
- 1 - 6 5 8 4 9 6
2
- - 40
  Funnel Cloud/Waterspout :
-
-
-
-
-
-
-
-
-
-
-
-
0
   2011 :
- - - - - - - - -
- - - 0
  Rain :
9
6
13
11
14
16
16
11
10
24
7
13
150
   2011 :
2 6 12 19 22 13 8 14 17
20 10 15 158
  Drizzle :
3
4
3
3
-
-
-
-
-
3
-
2
18
   2011 :
2 - 4 1 7 - - 1 3
7 2 5 32
  Hail :
-
-
-
-
-
-
-
-
-
-
-
-
0
   2011 :
- - - - - - - - -
- - - 0
  Freezing Rain : 1
2
-
-
-
-
-
-
-
-
-
-
3
   2011 :
1 - - - - - - - -
- - - 1
  Freezing Drizzle : -
1
-
-
-
-
-
-
-
-
-
-
1
   2011 :
1 - - - - - - - -
- - 2 3
  Ice Pellets :
1
3
1
1
-
-
-
-
-
-
1
1
8
   2011 :
- - 4 - - - - - -
- 1 - 5
  Snow : 18
14
7
4
-
-
-
-
-
-
6
14
63
   2011 :
26 18 11 6 - - - - -
- 4 12 77
  Snow Pellets :  -
1
1
-
-
-
-
-
-
-
1
1
4
   2011 :
- 1 1 2 - -
- - -
- - - 4
  Snow Grains : 1
-
-
-
-
-
-
-
-
-
1
1
3
   2011 :
1 - 2 - - -
- - -
- - - 3
  Ice Crystals : -
-
-
-
-
-
-
-
-
-
-
-
0
   2011 :
- - - - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2012
 DAYS WITH : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  Fog : 3
1
6
-
2
-
-
-
1
7
1
3
24
   2011 :
- 1 5 10 10 2 1 - 4
2 4 4 43
  Freezing Fog : -
 --
-
-
-
-
-
-
-
 1-
1
   2011 :
- - - - - - - - -
- - - 0
  Ice Fog : -
 -
-
-
-
-
-
-
-
-
-

0
   2011 :
- - - - - - - - -
- - - 0
  Blowing Snow : 1
1
1
-
-
-
-
-
-
-
-
2
5
   2011 :
2 2 - - - - - - -
- - - 4
  Haze : -
2
6
1
10
2
1
3
3
-
8
5
41
   2011 :
- 1 - 2 6 5 2 2 3
1 1 2 25
  Smoke : -
-
-
-
-
-
-
-
-
-
-
-
0
   2011 :
- - - - - - - - -
- - - 0
  Dust : -
-
-
-
-
-
-
-
-
-
-
-
0
   2011 :
- - - - - - - - -
- - - 0
  Blowing Dust : -
-
-
-
-
-
-
-
-
-
-
-
0
   2011 :
- - - - - - - - -
- - - 0
  Blowing Sand : -
-
-
-
-
-
-
-
-
-
-
-
0
   2011 :
- - - - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2012
 DAYS WITH : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  Aurora : -
-
1
-
-
-
-
-
-
-
-
-
1
   2011 :
- - - - - - - - -
- - - 0
  Earthquake : -
-
-
-
-
-
-
-
-
-
-
-
0
   2011 :
- - 1 - - - - - -
- - - 1
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2012
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.



CLIMAT Data
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2005 2004 Normals & Extremes

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