XGY   Grimsby Mountain, ON
Weather Observed At   43-11-00  N    79-33-34  W
2020
Note all stats on this page use calendar days (0000-2359). MSC stats use "climate days".    
  2020 :   
 TEMPERATURE : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  RECORD HIGHEST TEMPERATURE : 17.8
19.7
27.0
30.6
37.2
36.1
41.1
40.6
38.3
32.0
24.4
21.0
41.1
  HIGHEST TEMPERATURE : 14.4
10.8
21.2
18.4
32.3
32.6
36.1
34.6




36.1
  Date : 11th
24th
29th
12th
25th
21st
9th
10th




7/9
  Time : 0933 1359 1521
1459
1554
1446
1520
1326




1520
   2019 :
11.0
13.6
13.0
24.027.6
32.133.4
30.9
30.632.013.6 13.5
33.4
  AVERAGE HIGH TEMPERATURE : 2.6
2.1
7.2
11.1
17.5
26.3
30.5
28.3





  Departure from Normal  :
+4.6
+3.3
+3.0
0.0
-1.0
+2.4
+3.8
+2.8





  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
   2019 :
-1.11.9
5.211.1
17.5
23.5
28.626.3
23.3
16.05.5
3.4
13.4
  AVERAGE TEMPERATURE : (°C)
-0.4
-1.8
3.4
6.1
12.3
20.3
24.9
22.5





  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 : -3.5
-5.6
-0.4
1.1
7.0
14.3
19.3
16.7





  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 : -12.0
-15.7
-8.7
-4.1
-2.2
8.4
15.3
11.6




-12.0
  Date : 20th
14th
1st
16th
12th
16th
13th
19th




2/14
  Time : 0630 0713 0648 0628 0556 0557 0426 0705



0713
   2019 :
-22.6 -20.7-15.1 -6.8 2.64.913.6 12.0 9.40.8-13.0 -15.5 -22.6
  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
  2020
 RELATIVE HUMIDITY : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  HIGHEST RELATIVE HUMIDITY : 98
99
100
95
98
95
96
97




100
  Date : 11th+
26th
3rd+
1st+
18th+
2nd+
1st+
4th




3/3+
  Time : 1222
1602
0030
0000
0809
2350
0112
0835




0030
  AVERAGE RELATIVE HUMIDITY : (%)
78
74
74
65
67
66
66
68





  Departure from Normal  :
+4 +5 +2 +3 -1 -2 -2 -4




  Normal  :
74
69
72
62
68
68
68
72
77
77
79
80
72
   2019 :
75
76
67
74
76
71
73
71
74
76 75 80
74
  LOWEST RELATIVE HUMIDITY : 46
28
24
21
18
23
23
27




18
  Date : 20th
21st
15th
2nd
21st
13th
2nd+
8th




5/21
  Time : 1348
1317
1647
1738
1500
1502
1452
1534




1500
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 DEW POINT : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  HIGHEST DEW POINT : 11.4
4.5
17.8
14.3
21.1
23.8
24.3
23.9




24.3
  Date : 11th
18th
29th
13th
29th
10th
27th
2nd




7/27
  Time : 1024
1102
1442
1150
1249
0904
1932
1037




1932
  AVERAGE DEW POINT : (°C) -3.7
-6.2
-1.0
-0.8
5.4
13.3
17.4
15.6





  Departure from Normal  :
+5.7
+3.4
+3.3
-1.1
-1.6
+1.0
+2.1
+0.3





  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
   2019 :
-8.9 -6.4-5.6 1.98.212.2
18.1 15.6 13.7
7.6 -2.0 -3.1 4.3
  LOWEST DEW POINT : -16.0
-18.6
-16.9
-11.9
-11.7
-3.4
6.2
6.1




-18.6
  Date : 20th
14th
15th
15th
13th
13th
4th
19th




2/14
  Time : 0134
0634
1647
2210
1207
1502
1508
1732




0634
  Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 PRECIPITATION : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  TOTAL PRECIPITATION : (mm)
112.6
67.2
88.4
74.3
65.6
35.6
28.2
40.7





  % of Normal  :
157% 125% 141% 97% 86% 44% 37% 55%




  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
   2019 :
70.9 86.368.5113.2 167.498.867.7 105.054.2
146.850.6112.51141.9
  EVAPOTRANSPIRATION : (mm) -17.8
-29.2
-47.4
-69.1
-92.9
-132.4
-127.4
-104.1





  NET MOISTURE : (mm) +94.8
+38.0
+41.0
+5.2
-27.3
-96.8
-99.2
-63.4





 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 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
52.0
68.6
78.0
72.6
90.2
77.0
115.3
60.2
57.4
115.3
  MOST RAINFALL IN 1 DAY : 38.8
1.7
13.2
20.2
15.6
15.6
15.6
12.5




38.8
  Date : 11th
25th
3rd
26th
28th
10th
10th
17th




1/11
   2019 :
8.622.623.8 30.733.521.816.931.2
23.433.04.022.9 43.4
  HEAVIEST RAIN RATE : (mm/h) 50.0
2.0
39.4
40.6
81.2
44.4
213.4
102.8




213.4
  Date : 12th
2nd
20th
7th
15th
10th
19th
25th




7/19
  Time : 0037
1854
0716
2140
1523
0604
1300
0127




1300
   2019 :
8.012.024.079.0169.4 180.0151.6 303.2185.8 140.47.610.6 303.2
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 SNOWFALL : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  TOTAL SNOWFALL : (cm)
24.0
53.0
14.0
2.2
TR







 
  % of Normal  :
48%
163% 78%
27%
0%







 
  Normal :
49.6
32.6
18.0
8.1
0.2
0
0
0
0
0.1
6.0
33.4
148.0
   2019 :
46.635.225.6TR0-
- - -
026.024.6158.0
  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 : 9.0
12.0
11.0
1.4
TR







12.0
  Date : 5th+
26th
6th
14th
8th+







2/26
   2019 :
18.412.8 14.0 TR0-
- - -
021.69.4 18.4
  Highest Snow on Ground : 9
16
15
1
TR







16
  Date : 5th+
29th
1st
14th+
8th+







2/29
   2019 : 23 201790-
- - -
0221423
  Average Snow on Ground : 2
7
1
TR
0








   2019 :
665TR
0-
- - -
0442.1
  Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 WIND : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  HIGHEST WIND SPEED : (kt)
27
26
30
27
26
22
16
22




30
  HIGHEST WIND DIRECTION : 220
190
230
360
360
020
010
020




230
  Date : 10th+
21st
20th+
26th
7th+
2nd
24th
18th




3/20+
  Time : 0354
2106
1203
1439
1444
2306
1032
1745




1203
   2019 :
273630 2924172321 24322826 36
  AVERAGE DAILY PK GUST : (kt)
16.8
17.9
17.7
16.9
15.4
11.9
10.4
12.3





   2019 :
19.6
19.1
16.1
16.4
14.2
12.0
10.2
11.3
12.2
16.4
16.9
16.2
15.1
  PEAK WIND DIRECTION : (days)













   NORTH :
10
9
11
13
16
16
11
14





   NORTHEAST :
1
1
3
-
2
1
5
4





   EAST :
1
-
2
-
-
-
-
-





   SOUTHEAST :
1
-
-
-
1
-
1
-





   SOUTH :
4
7
3
5
6
3
2
2





   SOUTHWEST :
10
7
10
6
3
7
10
8





   WEST :
3
5
2
2
3
2
1
3





   NORTHWEST :
1
-
-
4
-
1
1
-





 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 PRESSURE : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  HIGHEST PRESSURE :
30.88
30.58
30.68
30.22
30.37
30.50
30.18
30.19




30.88
  Date :
17th
14th
22nd
17th
13th
15th
24th
7th+




1/17
  Time :
1030
1930
1030
0130
1100
0945
1200
1100




1030
   2019 :
30.68 30.82 30.50 30.55 30.43 30.19 30.2430.33 30.41 30.42 30.57 30.66 30.82
  AVERAGE PRESSURE : (in.)
30.06
29.98
30.05
29.86
30.01
29.98
29.94
29.95





  Departure from Normal  :
+0.06 -0.06 +0.06 -0.12 +0.05 +0.02 -0.04 -0.07




  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
   2019 :
30.0630.1030.10 29.97 29.9529.90 29.9329.94 30.05
29.9930.03 29.9930.00
  LOWEST PRESSURE :
29.47
29.29
29.35
29.19
29.65
29.53
29.61
29.44




29.19
  Date :
18th
7th
3rd
13th
7th
23rd
11th
29th




4/13
  Time :
1845
0615
1430
0930
1415
1515
1330
1230




0930
   2019 :
29.33 29.16 29.47 29.20 29.6029.55 29.68 29.60 29.66 29.30 29.31 29.35 29.16
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 DAYS WITH : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  THUNDERSTORM :
-
-
1
-
2
6
5
3




17
   2019 :
- 11141974
3
-- 31
  FUNNEL CLOUD/WATERSPOUT :
-
-
-
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - - - - -
- - - 0
  RAIN :
11
4
15
16
14
9
11
13




93
   2019 :
89919191416 13 17
1912 7162
  DRIZZLE :
3
3
5
-
2
-
-
-




13
   2019 :
-61862-- -
31633
  HAIL :
-
- -
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - --- -
- - - 0
  FREEZING RAIN : -
2
-
-
-
-
-
-
-



2
   2019 :
441-- - - - -
- -110
  FREEZING DRIZZLE : -
2
-
-
-
-
-
-
-



2
   2019 :
13- - - - - - -
- 1-2
  ICE PELLETS :
1
2
-
1
1
-
-
-
-



5
   2019 :
121
2-
- - - -
- 129
  SNOW : 16
22
3
8
3
-
-
-
-



52
   2019 :
2316 12 2- - - - -
-91476
  SNOW PELLETS :  -
1
-
-
1
-
-
-
-



2
   2019 :
1---- -
- - -
---1
  SNOW GRAINS : -
1
-
-
-
-
-
-
-



1
   2019 :
3--- - -
- - -
- 216
  ICE CRYSTALS : -
-
-
-
-
-
-
-
-
-


0
   2019 :
- -- - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 DAYS WITH : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  FOG : 3
1
8
-
3
-
-
1




16
   2019 :
12-3861- -
2-528
  FREEZING FOG : 2
-
-
-
-
-
-
-
-



2
   2019 :
- 22- - - - - -
- - 15
  ICE FOG : -
-
-
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - - - - -
- - - 0
  BLOWING SNOW : -
1
-
-
-
-
-
-
-



1
   2019 :
2- -- - - - - -
- 1- 3
  HAZE : -
1
-
-
-
2
-
2




5
   2019 :
- -15424-1
- 5325
  SMOKE : -
-
-
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - - - - -
- - - 0
  DUST : -
-
-
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - - - - -
- - - 0
  BLOWING DUST : -
-
-
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - - - - -
- - - 0
  BLOWING SAND : -
-
-
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2017
 DAYS WITH : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  AURORA : -
-
-
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - - - - -
- - - 0
  EARTHQUAKE : -
-
-
-
-
-
-
-
-
-
-
-
0
   2019 :
- - - - - - - - -
- - - 0
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
 BRIGHT SUNSHINE : Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  BRIGHT SUNSHINE DURATION : (h)
57119 154 216 245 270 241 213




   2019 :
78
107
186
186
243
263
257
217
180
134
73
53
1977
  HIGHEST SOLAR RADIATION : (W/mē)
649
834
917
1196
1225
1276
1237
1130




1276
  Date :
29th
19th
29th
22nd
12th
11th
13th
5th




6/11
  Time :
1319
1255
1226
1330
1152
1257
1348
1340




1257
   2019 :
6959731103 1253 1175 1320 1302 1144 1168 845 655 547 1320
  AVERAGE DAILY MAX SOLAR RADIATION : (W/mē)
322
534
593
893
919
1012
957
937





   2019 :
40149375584387210431052 966 805 542 402 288 705
  DARKEST SKY : (m/asē)
19.95
20.11
20.23
20.05
20.15
20.19
20.51
20.30




20.51
  Date :
25th
3rd
27th
27th
29th
24th
13th
30th




7/13
  Time :
1945
0420
0315
0405
0109
0358
0100
0409




0100
   2019 :
20.46
19.80
20.27
20.29
20.21
20.26
20.27
20.34
20.28
20.48
20.20
20.07
20.48
  AVERAGE DAILY MAX DARKEST SKY : (m/asē)
19.00
18.96
19.40
19.39
19.65
19.82
20.20
20.03





   2019 :
19.1518.6019.3819.3719.4619.7019.7819.9419.8919.8419.4219.1819.48
 Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
YEAR
  2020
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.