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








27.4
  Date : 6th+
27th
22nd
16th








4/16
  Time : 1348
1315
1554
1409








1409
   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








 
  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
  Average Temperature : (°C)
 -1.1
 0.4
 7.0
 8.0







 
  Departure from Normal  :
+4.4
+5.3
 +6.9
 +1.7







 
  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
   2011 :
-6.1 -4.0
0.2
6.8
13.3
19.4
24.8 21.8
17.9
11.1 7.5
1.7
9.5
  Average Minimum Temperature : -4.8
 -3.2
 1.7
 2.5







 
  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







-14.3
  Date : 3rd
11th
5th
28th+








1/3
  Time : 2126 2157
0625
0605








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







99
  Date : 26th+
29th
1st+
15th








1/26+
  Time : 2350
2115
0000
0628








2350
   2011 :
96
98
99
100
100
98
98 98
98
100 99 99
100
  Average Relative Humidity : (%)
76
74
69
62








 
  Departure from Normal  :
+2
 +5
 -3
 0







 
  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







13
  Date : 15th 9th
27th
29th








3/27
  Time : 1344 1329
1708
1439








1708
   2011 :
42
38
25
26
21
23
23
26
36
41 382 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







16.5
  Date : 17th
1st
22nd
16th








4/16
  Time : 1700
0121
1231
1359








1359
   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








 
  Departure from Normal  :
+4.7
+5.9
 +5.6
 -0.1







 
  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
   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







-21.9
  Date : 3rd
11th
27th
29th








1/3
  Time : 1115
2155
1704
1919








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







 
  % of Normal  :
136%
 78%
 84%
 66%







 
  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







19.6
  Date :
27th
11th
24th
21st








1/27
   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







 
  % of Normal  :
238%
 59%
 86%
 73%







 
  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







16.6
  Date : 17th
24th
24th
21st








1/17
   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







21.1
  Date : 23rd24th
2nd
20th








1/23
  Time : 08400946
2219
2152








0840
   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







 
  % of Normal  :
63%
 76%
 62%
 0%







 
  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







10.0
  Date : 29th
11th
9th
1st+








2/11
   2011 :
10.4 12.2 20.4 2.0 - -
- - -
- 0.4 3.0 20.4
  Highest Snow on Ground : 11
 13
 5
 TR







13
  Date : 30th
12th
9th
1st








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








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








--
   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







38
  Highest Wind Direction : 240
200
210
020








210
  Date : 23rd
24th
3rd
23rd








3/3
  Time : 2251
1623
0247
0540








0247
   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







30.58
  Date :
15th 28th
10th
17th








3/10
  Time :
1900
1000
0930
2200








0930
   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








 
  Departure from Normal  :
-0.09 -0.02 +0.03 -0.01







 
  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







29.10
  Date :
13th
24th
3rd
24th








3/3
  Time :
0115 1445
0045
0545








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








4
   2011 :
- 1 - 6 5 8 4 9 6
2
- - 40
  Funnel Cloud/Waterspout :
-
-
-
-
-
-
-
-
-
-
-
-
0
   2011 :
- - - - - - - - -
- - - 0
  Rain :
 9
 6
 13
 11







39
   2011 :
2 6 12 19 22 13 8 14 17
20 10 15 158
  Drizzle :
 3
 4
 3
 3







13
   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
 -
 -
 -
 -
 -
 -

6
   2011 :
- - 4 - - - - - -
- 1 - 5
  Snow : 18
 14
 7
 4
 -
 -
 -
 -
 -
 -

43
   2011 :
26 18 11 6 - - - - -
- 4 12 77
  Snow Pellets :  -
 1
 1
 -
-
 -
 -
 -


2
   2011 :
- 1 1 2 - -
- - -
- - - 4
  Snow Grains : 1
-
-
-
-
-
-
-
-
-


1
   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
-








10
   2011 :
- 1 5 10 10 2 1 - 4
2 4 4 43
  Freezing Fog : -
 --
-
-
-
-
-
-
-
 
0
   2011 :
- - - - - - - - -
- - - 0
  Ice Fog : -
 -
-
-
-
-
-
-
-
-
-
 
0
   2011 :
- - - - - - - - -
- - - 0
  Blowing Snow : 1
1
1
-
-
-
-
-
-
-


3
   2011 :
2 2 - - - - - - -
- - - 4
  Haze : -
2
6
1








9
   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.


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