XGY   Grimsby Mountain, ON
Weather Observed At   43-11-00  N    79-33-34  W
2005
Note all stats on this page use calendar days (0000-2359). MSC stats use climate days.    
  2005 :   
 TEMPERATURE : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 2005
  Average Temperature : (°C)
 -5.5
 -3.8
 -1.4
 7.1
 11.3
 22.2
 23.4
 22.5
 19.1
 11.4
 5.9
 -2.7
 9.1
  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
   2004  :
-8.6
-3.2
2.2
7.0
13.0
17.2
20.3
19.3
18.3
10.4 5.4
-1.8
8.3
  Average Maximum Temperature : -1.7
 0.7
 3.0
 11.7
 16.9
 28.0
 28.7
 27.6
 24.4
 14.9
 10.1
 -0.0
 13.7
  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
   2004  :
-4.5
1.3
6.3
11.6
18.5
22.6
24.5
24.0
23.3
14.4 9.2
1.8
12.8
  Highest Temperature : 17.6
 7.2
 17.2
 27.2
 27.3
 35.6
 34.2
 34.3
 31.9
 28.0
 19.3
 5.9
 35.6
  Date : 13th
15th
31st
19th
10th
25th
4th
4th
12th
4th
6th
24th
6/25
  Time : 1403
1140
1447
 1713
1355
1346
1524
1313
1432
1516
1136
1446
1346
   2004  :
13.8
10.5
18.0
24.8
30.9
32.7
31.3
29.8
28.8
26.9 16.4 12.8
32.7
  Record High Temperature : 17.8
18.0
27.0
30.6
37.2
36.1
41.1
40.6
38.3
30.0
24.4
21.0
41.1
  Average Minimum Temperature : -9.2
 -8.3
 -5.9
 2.4
 5.8
 16.4
 18.2
 17.4
 13.7
 8.0
 1.6
 -5.4
 4.6
  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
   2004  :
-12.7
-7.7
-1.8
2.3
7.6
11.8
16.1
14.7
13.4
6.4 1.6
-5.5
3.9
  Lowest Temperature : -23.3
 -16.2
 -14.9
 -0.4
 0.2
 9.2
 12.6
 12.7
 5.6
 0.3
 -10.4
 -13.0
 -23.3
  Date : 28th
27th
5th
8th
3rd
23rd
3rd
6th
30th
28th
24th
13th
1/28
  Time : 0349
0413
0616
0628
0546
0606
0543
0621
0555
0500
2023
0552
0349
   2004  :
-23.8
-17.6
-10.9
-5.5
-0.9
5.9
12.1
8.6
5.3
0.4 -4.6 -18.3
-23.8
  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
2005
  2005 
 RELATIVE HUMIDITY : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 2005
  Average Relative Humidity : (%)
 75
 75
 71
 65
 65
 68
 66
 69
 70
 78
 73
 77
 71
  Normal  :
74
69
72
62
68
68
68
72
77
77
79
80
72
   2004  :
70
68
74
67
73
73
77
73
72
76 73 76
73
  Highest Relative Humidity : 99
 98
 98
 100
 99
 97
 97
 98
 98
 100
 98
 99
 100
  Date : 2nd+
16th
28th
23rd
24th
15th
17th+
14th+
16th+
12th
28th
29th
4/23+
  Time : 1654
0241
2057
0349
0717
0142
0643
0825
2239
1321
0823
0000
0349
   2004  :
98
98
100
100
99
99
100
98
100
100 99
100
100
  Lowest Relative Humidity : 42
 34
 32
 13
 18
 15
 19
 27 27
 37
 32
 46
 13
  Date : 17th
26th
8th
16th
8th+
26th
10th+
6th
9th
1st
12th
12th+
4/16
  Time : 2155
1402
1418
1426
1827
1738
1434
1157
1449
1439
1459
1805
1426
   2004  :
29
27
27
19
24
33
36
27
28
27 27 27
19
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2005
  2005 
 DEW POINT : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 2005
  Average Dew Point : (°C) -9.0
 -7.6
 -6.3
 0.0
 4.6
 15.4
 15.9
 15.8
 13.3
 7.6
 1.3
 -6.3
 3.7
  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
   2004  :
-12.7 -8.3 -1.8 0.9 8.3 12.2
16.2 14.4 13.1
6.6 0.8 -5.1 3.7
  Highest Dew Point : 11.1
 4.0
 11.6
 14.2
 16.5
 25.2
 25.3
 23.3
 20.8
 19.9
 15.4
 3.4
25.3
  Date : 13th
15th
31st
20th
14th
25th
17th
4th
13th
3rd
6th
29th
7/17
  Time : 1726
1454
1432
1642
1232
1741
1113
1050
1100
1213
1119
0319
1113
   2004  :
11.3
4.2
13.5
15.5
20.7
24.9
23.9
23.7
21.8
17.7 11.8 10.9
24.9
  Lowest Dew Point : -27.8
 -19.2
 -22.5
 -11.3
 -9.7
 0.6
 1.5
 4.3
 -0.9
 -4.0
 -17.9
 -18.1
-27.8
  Date : 28th
18th
8th
11th
12th
26th
2nd
6th
29th
27th
24th
12th
1/28
  Time : 0350
1341
1030
1750
1646
1738
1557
1158
1121
0257
2016
1805
0350
   2004  :
-28.9
-25.6
-19.2
-17.6
-6.6
-1.4 4.0
0.8
-0.6
-2.3 -14.4 -24.3
-28.9
  Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 2005
  2005 
 PRECIPITATION : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
2005
  Total Precipitation : (mm)
 98.3
 65.5
 38.7
 102.9
 19.3
 18.3
 51.3
 106.1
 110.4
 118.8
 120.5
 50.2
900.3
  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
   2004  :
59.8 18.2 66.5 91.5 107.4 75.3
79.4 35.1 65.3
30.3 79.9 114.7 823.4
  Most Precipitation in 1 Day :
 17.8
 11.8
 10.2
 38.3
 5.1
 5.1
 18.3
 48.8
 30.2
 31.4
 31.7
 11.2
48.8
  Date :
2nd
9th
1st
2nd
14th
14th
26th
31st
26th
7th
15th
15th
8/31
   2004  :
15.1 5.0 16.8 21.1 19.8 22.6
27.7 12.7 52.1
8.4 33.5 36.6 52.1
  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
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2005
  2005 
 RAINFALL : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
2005
  Total Rainfall : (mm)
 31.7
 20.1
 6.7
 72.3
 19.3
 18.3
 51.3
 106.1
 110.4
 116.2
 109.5
 18.9
680.8
  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
   2004  :
7.8 9.4 39.4 91.2 107.4 75.3
79.4 35.1 65.3
30.3 79.7 74.9 695.2
  Most Rainfall in 1 Day : 17.8
 9.1
 4.6
 17.3
 5.1
 5.1
 18.3
 48.8
 30.2
 31.4
 31.7
 6.5
48.8
  Date : 2nd
14th
7th
2nd
14th
14th
26th
31st
26th
7th
15th
28th
8/31
   2004  :
6.1 3.3 8.6 21.1 19.8 22.6
27.7 12.7 52.1
8.4 33.5 24.4 52.1
  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
  High Rain Rate : (mm/h) 11.9
 32.8
 10.9
 10.9
 29.7
 49.0
 77.0
 74.7
 128.3
 25.1
 47.5
 5.1
128.3
  Date : 2nd
14th
7th
28th
29th
14th
26th
22nd
14th
7th
9th
28th
9/14
  Time : 1619
1031
1617
0739
1158
2020
1640
2001
1617
0422
1617
1623
1617
   2004  :
20.6 4.1 43.9 62.5 73.9 53.3
60.5 55.4 27.2
83.1 14.2 25.7 83.1
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2005
  2005 
 SNOWFALL : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
2005
  Total Snowfall : (cm)
 66.0
 46.2
 32.0
 30.6
 TR
 0
 0
 0
 0
 0.4
 13.4
 30.8
219.4
  Normal :
49.6
32.6
18.0
8.1
0.2
0
0
0
0
0.1
6.0
33.4
148.0
   2004  :
62.8 7.6 26.2 0.2 0 0
0 0 0
0 TR 12.2 134.4
  Most Snowfall in 1 Day : 17.0
 11.8
 10.2
 21.0
 TR
 0
 0
 0
 0
 0.4
 4.2
 9.0
21.0
  Date : 22nd
9th
1st
2nd
2nd+
-
-
-
-
28th
26th
9th
4/2
   2004  :
13.2 3.0 16.8 0.2 0 0
0 0 0
0 TR 12.2 16.8
  Record Snowfall in 1 Day : 50.8
40.6
38.1
27.8
2.5
-
-
-
-
11.4
22.9
61.0
61.0
  Average Snow on Ground : 13
21
22
2
0
0
0
0
0
0
1
7
6
   Last Year  :
24 28 4 TR 0 0
0 0 0
0 TR 7 5
  Highest Snow on Ground : 32
 31
 40
 19
 TR
 0
 0
 0
 0
 TR
 9
 17
40
  Date : 22nd
21st
2nd+
2nd
2nd
-
-
-
-
28th
26th
25th+
3/2+
   2004  : 38 35 20 TR 0 0
0 0 0
0 TR 24 38
  End of Month Snw on Gnd : 25
22
TR
0
0
0
0
0
0
0
0
TR
-
   2004  :
36 24 0 0 0 0
0 0 0
0 0 14 -
  Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
 2005
  2005 
 WIND : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
2005
  Average Wind Speed : (kt)
 M
 M
 M
 M
 M
 M
 M
 M
 M
 M
 3.7
M
   2004  :
M M M M M M
M M M
M M M M
  Prevailing Wind Direction :
 N
 SSW
 N
 NE
 SW
 SSW
 NE
 N
 N
 N
 SSW
N
   2004  :
S S SSW N N N
N S N
S SSW SSW N
  Highest Wind Speed : (kt)
 30
 18
 25
 30
 21
 16
 17
 19
 18
 25
 30
 31
30
   2004  :
30 21 30 26 19 17 16 15 28 24 24 24 30
  Highest Wind Direction : N
 NNE
 NNE
 N
 NE
 NE
 N
 NE
 S
 N
 240
 260
N
  Date : 22nd
10th+
23rd
2nd
11th
22nd
15th
31st
29th
25th
6th
22nd
1/22+
  Time : 1913
2128
1214
1450
1918
0904
1410
0531
0252
0841
1429
1943
1913
   2004  :
N N NNE N S NNE WNW NNW N
NNE WNW S N
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2005
  2005 
 PRESSURE : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
2005
  Average Pressure : (")
 30.21
 30.10
 29.88
 29.92
 29.97
 29.89
 29.94
 29.93
 30.05
 30.07
 29.95
 29.98
29.99
  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
   2004  :
30.02 30.16 30.09 29.96 29.96 29.96 29.89 29.96 30.10
29.97 30.09 29.98 30.01
  Highest Pressure :
 30.87
 30.55
 30.23
 30.51
 30.48
 30.22
 30.26
 30.26
 30.39
 30.42
 30.42
 30.70
30.87
  Date :
28th
2nd
22nd
16th
5th
20th
30th
25th
5th
29th
14th
8th
1/28
  Time :
0830
0030
0915
0800
0830
0900
1130
0715
1045
0815
1045
0700
0830
   2004  :
30.57 30.68 30.50 30.34 30.37 30.27 30.33 30.26 30.44 30.39 30.80 30.67 30.80
  Lowest Pressure :
 29.39
 29.46
 29.12
 29.14
 29.62
 29.45
 29.57
 29.43
 29.36
 29.62
 29.04
 29.40
29.04
  Date :
13th
28th
7th
24th
14th+
15th
1st
31st
29th
18th
24th
29th
11/24
  Time :
1615
2359
1730
1230
2115
1500
1445
0545
0415
0200
0445
0130
0445
   2004  :
29.51 29.25 29.41 29.50 29.46 29.51 29.47 29.67 29.69 29.22 29.26 29.26 29.22
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2005
  2005
 DAYS WITH : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
2005
  Thunderstorm :
-
-
-
-
4
8
7
4
6
2
2
-
33
   2004  :
- - - 4 2 4 8 5 1
2 1 - 27
  Funnel Cloud/Waterspout :
-
-
-
-
-
-
-
-
-
-
-
-
0
   2004  :
- - - - - - - - -
- - - 0
  Rain :
 5
 5
 4
 12
 15
 12
 9
 11
 9
 15
 11
 5
113
   2004  :
2 3 14 15 21 14 17 12 4
12 11 12 135
  Drizzle :
 1
 -
 -
 4
 -
 2
 1
 -
 4
 6
 1
 2
21
   2004  :
- - 2 2 1 1 - - -
11 6 5 28
  Hail :
 - -
 -
 -
 -
 -
 -
 -
 -
 -
 -
 -
0
   2004  :
- - - 1 - - - - -
- - - 1
  Freezing Rain : 3
 1
 1
 -
 -
 -
 -
 -
 -
 -
 -
 -
5
   2004  :
1 1 - - - - - - -
- - 1 3
  Freezing Drizzle : -
 1
 -
 -
 -
 -
 -
 -
 -
 -
 -
 1
2
   2004  :
3 1 - - - - - - -
- - 1 5
  Ice Pellets :
 1
 -
 -
 3
 1
 -
 -
 -
 -
 -
 -
 2
7
   2004  :
3 2 - - - - - - -
- - 1 6
  Snow : 22
 15
 14
 4
 1
 -
 -
 -
 -
 -
 9
 18
83
   2004  :
27 15 12 2 - - - - -
- 4 18 78
  Snow Pellets :  1
 -
 -
 -
 2
 -
 -
 -
 -
 1
 1
 2
7
   2004  :
1 - - - - -
- - -
- 1 - 2
  Snow Grains : 1
-
-
-
-
-
-
-
-
-
-
1
2
   2004  :
1 - - - - -
- - -
- - - 1
  Ice Crystals : -
-
-
-
-
-
-
-
-
-
-
-
0
   2004  :
- - - - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2005
  2005
 DAYS WITH : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
2005
  Fog : 1
3
1
2
-
-
-
1
1
4
3
2
18
   2004  :
- 1 5 6 7 2 5 2 1
10 5 3 47
  Ice Fog : -
-
-
-
-
-
-
-
-
-
-
-
0
   2004  :
- - - - - - - - -
- - - 0
  Blowing Snow : 2
-
-
-
-
-
-
-
-
-
-
-
2
   2004  :
1 - 1 - - - - - -
- - - 2
  Haze : -
2
1
-
-
12
11
6
5
4
-
-
41
   2004  :
- 2 - - 7 6 9 7 9
- - 2 42
  Smoke : -
-
-
-
-
-
-
-
-
-
-
-
0
   2004  :
- - - - - - - - -
- - - 0
  Dust : -
-
-
-
-
-
-
-
-
-
-
-
0
   2004  :
- - - - - - - - -
- - - 0
  Blowing Dust : -
-
-
-
-
-
-
-
-
-
-
-
0
   2004  :
- - - - - - - - -
- - - 0
  Blowing Sand : -
-
-
-
-
-
-
-
-
-
-
-
0
   2004  :
- - - - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2005
  2005
 DAYS WITH : Jan
 Feb
 Mar
 Apr
 May
 Jun
 Jul
 Aug
 Sep
 Oct
 Nov
 Dec
2005
  Aurora : M
M
M
-
-
-
-
-
-
-
-
-
M
  Earthquake : -
-
1
-
-
-
-
-
-
-
-
-
1
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2005
  2005
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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