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Weather Prediction Accuracy

Below are three day Brandon, Manitoba forecasts for each day this year in addition to what the actual daytime high temperature ended up measuring. In brackets are the difference between predicted high and actual high. The intention of this feature is not to undermine Environment Canada. We respect how difficult it is to predict the weather from day-to-day, and are simply providing a means by which to understand and respect that difficulty.

DateDaytime high1 day prediction2 day prediction3 day prediction
May 2329.431 (1.6)29 (0.4)28 (1.4)
May 2329.431 (1.6)29 (0.4)28 (1.4)
May 223028 (2.0)28 (2.0)24 (6.0)
May 223028 (2.0)28 (2.0)24 (6.0)
May 223028 (2.0)28 (2.0)24 (6.0)
May 2126.926 (0.9)25 (1.9)25 (1.9)
May 2126.926 (0.9)25 (1.9)25 (1.9)
May 2024.823 (1.8)23 (1.8)20 (4.8)
May 1921.619 (2.6)17 (4.6)17 (4.6)
May 1921.619 (2.6)17 (4.6)17 (4.6)
May 1921.619 (2.6)17 (4.6)17 (4.6)
May 1921.619 (2.6)17 (4.6)17 (4.6)
May 1815.110 (5.1)11 (4.1)12 (3.1)
May 1815.110 (5.1)11 (4.1)12 (3.1)
May 1711.117 (5.9)19 (7.9)19 (7.9)
May 1711.117 (5.9)19 (7.9)19 (7.9)
May 1618.527 (8.5)22 (3.5)22 (3.5)
May 1531.829 (2.8)27 (4.8)21 (10.8)
May 1421.823 (1.2)24 (2.2)26 (4.2)
May 1327.925 (2.9)25 (2.9)23 (4.9)
May 1327.925 (2.9)25 (2.9)23 (4.9)
May 1220.421 (0.6)19 (1.4)17 (3.4)
May 1114.814 (0.8)12 (2.8)14 (0.8)
May 1114.814 (0.8)12 (2.8)14 (0.8)
May 1011.712 (0.3)12 (0.3)11 (0.7)
May 091615 (1.0)17 (1.0)21 (5.0)
May 0819.221 (1.8)21 (1.8)18 (1.2)
May 0819.221 (1.8)21 (1.8)18 (1.2)
May 0729.926 (3.9)27 (2.9)24 (5.9)
May 0729.926 (3.9)27 (2.9)24 (5.9)
May 0623.822 (1.8)22 (1.8)23 (0.8)
May 0623.822 (1.8)22 (1.8)23 (0.8)
May 0521.721 (0.7)16 (5.7)19 (2.7)
May 0521.721 (0.7)16 (5.7)19 (2.7)
May 0421.923 (1.1)18 (3.9)16 (5.9)
May 0321.820 (1.8)18 (3.8)17 (4.8)
May 0321.820 (1.8)18 (3.8)17 (4.8)
May 0216.216 (0.2)16 (0.2)17 (0.8)
May 018.410 (1.6)12 (3.6)13 (4.6)
May 018.410 (1.6)12 (3.6)13 (4.6)
April 306.615 (8.4)13 (6.4)17 (10.4)
April 2925.626 (0.4)25 (0.6)23 (2.6)
April 2817.120 (2.9)19 (1.9)19 (1.9)
April 2817.120 (2.9)19 (1.9)19 (1.9)
April 2817.120 (2.9)19 (1.9)19 (1.9)
April 2817.120 (2.9)19 (1.9)19 (1.9)
April 2817.120 (2.9)19 (1.9)19 (1.9)
April 2817.120 (2.9)19 (1.9)19 (1.9)
April 271313 (0.0)16 (3.0)16 (3.0)
April 271313 (0.0)16 (3.0)16 (3.0)
April 271313 (0.0)16 (3.0)16 (3.0)
April 271313 (0.0)16 (3.0)16 (3.0)
April 271313 (0.0)16 (3.0)16 (3.0)
April 2618.418 (0.4)13 (5.4)10 (8.4)
April 2518.519 (0.5)19 (0.5)16 (2.5)
April 2518.519 (0.5)19 (0.5)16 (2.5)
April 2414.112 (2.1)13 (1.1)12 (2.1)
April 2312.311 (1.3)11 (1.3)12 (0.3)
April 2217.115 (2.1)15 (2.1)14 (3.1)
April 2217.115 (2.1)15 (2.1)14 (3.1)
April 2116.715 (1.7)15 (1.7)13 (3.7)
April 2116.715 (1.7)15 (1.7)13 (3.7)
April 201411 (3.0)12 (2.0)10 (4.0)
April 201411 (3.0)12 (2.0)10 (4.0)
April 1910.29 (1.2)10 (0.2)8 (2.2)
April 1910.29 (1.2)10 (0.2)8 (2.2)
April 1910.29 (1.2)10 (0.2)8 (2.2)
April 1910.29 (1.2)10 (0.2)8 (2.2)
April 188.44 (4.4)4 (4.4)7 (1.4)
April 176.24 (2.2)6 (0.2)2 (4.2)
April 176.24 (2.2)6 (0.2)2 (4.2)
April 163.44 (0.6)6 (2.6)5 (1.6)
April 163.44 (0.6)6 (2.6)5 (1.6)
April 1542 (2.0)4 (0.0)4 (0.0)
April 140.8-2 (2.8)2 (1.2)-3 (3.8)
April 140.8-2 (2.8)2 (1.2)-3 (3.8)
April 140.8-2 (2.8)2 (1.2)-3 (3.8)
April 12-2.1-2 (0.1)2 (4.1)2 (4.1)
April 111.51 (0.5)2 (0.5)1 (0.5)
April 1024 (2.0)4 (2.0)3 (1.0)
April 08-4.1-3 (1.1)-4 (0.1)-3 (1.1)
April 08-4.1-3 (1.1)-4 (0.1)-3 (1.1)
April 07-5-5 (0.0)-4 (1.0)-4 (1.0)
April 06-8.2-8 (0.2)-6 (2.2)-6 (2.2)
April 05-5.3-7 (1.7)-7 (1.7)-8 (2.7)
April 04-4.8-2 (2.8)-3 (1.8)-3 (1.8)
April 03-4.1-6 (1.9)-7 (2.9)-6 (1.9)
April 02-11.9-11 (0.9)-7 (4.9)-6 (5.9)
April 01-4.9-6 (1.1)-6 (1.1)-5 (0.1)
March 31-9.6-10 (0.4)-11 (1.4)-9 (0.6)
March 31-9.6-10 (0.4)-11 (1.4)-9 (0.6)
March 30-11.5-12 (0.5)-10 (1.5)-8 (3.5)
March 30-11.5-12 (0.5)-10 (1.5)-8 (3.5)
March 272.84 (1.2)4 (1.2)3 (0.2)
March 260.41 (0.6)2 (1.6)2 (1.6)
March 2543 (1.0)4 (0.0)2 (2.0)
March 2543 (1.0)4 (0.0)2 (2.0)
March 240.30 (0.3)2 (1.7)2 (1.7)
March 231.60 (1.6)1 (0.6)1 (0.6)
March 2200 (0.0)0 (0.0)2 (2.0)
March 210.6-1 (1.6)2 (1.4)-2 (2.6)
March 210.6-1 (1.6)2 (1.4)-2 (2.6)
March 20-3.4-1 (2.4)-1 (2.4)-1 (2.4)
March 19-4.5-4 (0.5)-5 (0.5)-3 (1.5)
March 14-0.70 (0.7)1 (1.7)2 (2.7)
March 14-0.70 (0.7)1 (1.7)2 (2.7)
March 12-0.42 (2.4)0 (0.4)-1 (0.6)
March 12-0.42 (2.4)0 (0.4)-1 (0.6)
March 11-2-1 (1.0)-3 (1.0)-1 (1.0)
March 11-2-1 (1.0)-3 (1.0)-1 (1.0)
March 11-2-1 (1.0)-3 (1.0)-1 (1.0)
March 10-2.3-2 (0.3)-2 (0.3)-2 (0.3)
March 10-2.3-2 (0.3)-2 (0.3)-2 (0.3)
March 09-6.2-5 (1.2)-2 (4.2)-3 (3.2)
March 08-5.7-6 (0.3)-5 (0.7)-4 (1.7)
March 08-5.7-6 (0.3)-5 (0.7)-4 (1.7)
March 07-5.2-4 (1.2)-2 (3.2)-3 (2.2)
March 06-3.5-4 (0.5)-4 (0.5)-5 (1.5)
March 05-1.30 (1.3)-1 (0.3)-7 (5.7)
March 03-1.3-3 (1.7)0 (1.3)-2 (0.7)
March 03-1.3-3 (1.7)0 (1.3)-2 (0.7)
March 02-4.1-4 (0.1)-1 (3.1)1 (5.1)
March 02-4.1-4 (0.1)-1 (3.1)1 (5.1)
February 26-2.3-2 (0.3)-3 (0.7)-3 (0.7)
February 26-2.3-2 (0.3)-3 (0.7)-3 (0.7)
February 25-3.5-3 (0.5)-4 (0.5)-6 (2.5)
February 24-6.3-7 (0.7)-5 (1.3)-7 (0.7)
February 24-6.3-7 (0.7)-5 (1.3)-7 (0.7)
February 23-9.1-13 (3.9)-10 (0.9)-8 (1.1)
February 23-9.1-13 (3.9)-10 (0.9)-8 (1.1)
February 22-9.6-8 (1.6)-9 (0.6)-9 (0.6)
February 22-9.6-8 (1.6)-9 (0.6)-9 (0.6)
February 22-9.6-8 (1.6)-9 (0.6)-9 (0.6)
February 22-9.6-8 (1.6)-9 (0.6)-9 (0.6)
February 21-14.7-13 (1.7)-15 (0.3)-12 (2.7)
February 20-11.7-14 (2.3)-14 (2.3)-15 (3.3)
February 19-14.5-15 (0.5)-15 (0.5)-15 (0.5)
February 18-11.3-14 (2.7)-12 (0.7)-12 (0.7)
February 18-11.3-14 (2.7)-12 (0.7)-12 (0.7)
February 18-11.3-14 (2.7)-12 (0.7)-12 (0.7)
February 17-11.9-11 (0.9)-12 (0.1)-9 (2.9)
February 16-9.4-8 (1.4)-8 (1.4)-7 (2.4)
February 14-0.9-1 (0.1)1 (1.9)-2 (1.1)
February 14-0.9-1 (0.1)1 (1.9)-2 (1.1)
February 14-0.9-1 (0.1)1 (1.9)-2 (1.1)
February 13-5.5-5 (0.5)-4 (1.5)-5 (0.5)
February 13-5.5-5 (0.5)-4 (1.5)-5 (0.5)
February 12-18.9-18 (0.9)-15 (3.9)-16 (2.9)
February 11-16.4-16 (0.4)-11 (5.4)-15 (1.4)
February 11-16.4-16 (0.4)-11 (5.4)-15 (1.4)
February 10-13-14 (1.0)-9 (4.0)-11 (2.0)
February 10-13-14 (1.0)-9 (4.0)-11 (2.0)
February 09-14.6-16 (1.4)-16 (1.4)-16 (1.4)
February 09-14.6-16 (1.4)-16 (1.4)-16 (1.4)
February 09-14.6-16 (1.4)-16 (1.4)-16 (1.4)
February 09-14.6-16 (1.4)-16 (1.4)-16 (1.4)
February 08-17.7-20 (2.3)-18 (0.3)-16 (1.7)
February 07-16.8-19 (2.2)-18 (1.2)-14 (2.8)
February 06-16.8-16 (0.8)-16 (0.8)-15 (1.8)
February 06-16.8-16 (0.8)-16 (0.8)-15 (1.8)
February 05-16.4-19 (2.6)-18 (1.6)-16 (0.4)
February 05-16.4-19 (2.6)-18 (1.6)-16 (0.4)
February 05-16.4-19 (2.6)-18 (1.6)-16 (0.4)
February 04-15.6-16 (0.4)-16 (0.4)-16 (0.4)
February 04-15.6-16 (0.4)-16 (0.4)-16 (0.4)
February 03-20.7-20 (0.7)-19 (1.7)-21 (0.3)
February 02-15.9-17 (1.1)-16 (0.1)-19 (3.1)
February 02-15.9-17 (1.1)-16 (0.1)-19 (3.1)
February 01-20.4-19 (1.4)-20 (0.4)-19 (1.4)
January 31-15.7-17 (1.3)-15 (0.7)-15 (0.7)
January 302.8-1 (3.8)-1 (3.8)-5 (7.8)
January 302.8-1 (3.8)-1 (3.8)-5 (7.8)
January 29-18.4-17 (1.4)-17 (1.4)-14 (4.4)
January 28-19.1-16 (3.1)-14 (5.1)-14 (5.1)
January 27-12.60 (12.6)-12 (0.6)-12 (0.6)
January 26-3.4-4 (0.6)-3 (0.4)-4 (0.6)
January 26-3.4-4 (0.6)-3 (0.4)-4 (0.6)
January 25-3.3-3 (0.3)-3 (0.3)-3 (0.3)
January 25-3.3-3 (0.3)-3 (0.3)-3 (0.3)
January 24-9-5 (4.0)-4 (5.0)-6 (3.0)
January 24-9-5 (4.0)-4 (5.0)-6 (3.0)
January 23-5-2 (3.0)-6 (1.0)-7 (2.0)
January 23-5-2 (3.0)-6 (1.0)-7 (2.0)
January 22-4.4-6 (1.6)-6 (1.6)-4 (0.4)
January 21-4.8-5 (0.2)-4 (0.8)-7 (2.2)
January 21-4.8-5 (0.2)-4 (0.8)-7 (2.2)
January 21-4.8-5 (0.2)-4 (0.8)-7 (2.2)
January 1932 (1.0)2 (1.0)2 (1.0)
January 18-2.8-2 (0.8)1 (3.8)-1 (1.8)
January 18-2.8-2 (0.8)1 (3.8)-1 (1.8)
January 18-2.8-2 (0.8)1 (3.8)-1 (1.8)
January 174.5-2 (6.5)-1 (5.5)-3 (7.5)
January 174.5-2 (6.5)-1 (5.5)-3 (7.5)
January 16-12.8-12 (0.8)-12 (0.8)-13 (0.2)
January 16-12.8-12 (0.8)-12 (0.8)-13 (0.2)
January 15-22.3-24 (1.7)-24 (1.7)-25 (2.7)
January 14-13.4-19 (5.6)-18 (4.6)-21 (7.6)
January 14-13.4-19 (5.6)-18 (4.6)-21 (7.6)
January 14-13.4-19 (5.6)-18 (4.6)-21 (7.6)
January 13-19.8-19 (0.8)-22 (2.2)-23 (3.2)
January 13-19.8-19 (0.8)-22 (2.2)-23 (3.2)
January 12-22.1-22 (0.1)-24 (1.9)-23 (0.9)
January 11-23.1-21 (2.1)-20 (3.1)-20 (3.1)
January 10-5.90 (5.9)-12 (6.1)-8 (2.1)
January 10-5.90 (5.9)-12 (6.1)-8 (2.1)
January 10-5.90 (5.9)-12 (6.1)-8 (2.1)
January 09-5.4-4 (1.4)-2 (3.4)-4 (1.4)
January 09-5.4-4 (1.4)-2 (3.4)-4 (1.4)
January 08-4.1-6 (1.9)-7 (2.9)-9 (4.9)
January 07-0.1-2 (1.9)-2 (1.9)-6 (5.9)
January 07-0.1-2 (1.9)-2 (1.9)-6 (5.9)
January 07-0.1-2 (1.9)-2 (1.9)-6 (5.9)
January 06-7-7 (0.0)-10 (3.0)-10 (3.0)
January 06-7-7 (0.0)-10 (3.0)-10 (3.0)
January 05-14.8-18 (3.2)-19 (4.2)-13 (1.8)
January 05-14.8-18 (3.2)-19 (4.2)-13 (1.8)
January 04-18.7-17 (1.7)-17 (1.7)-17 (1.7)
January 04-18.7-17 (1.7)-17 (1.7)-17 (1.7)
January 03-18-22 (4.0)-21 (3.0)-22 (4.0)
January 03-18-22 (4.0)-21 (3.0)-22 (4.0)
January 03-18-22 (4.0)-21 (3.0)-22 (4.0)
January 03-18-22 (4.0)-21 (3.0)-22 (4.0)
January 03-18-22 (4.0)-21 (3.0)-22 (4.0)
January 02-12-12 (0.0)-13 (1.0)-13 (1.0)
January 02-12-12 (0.0)-13 (1.0)-13 (1.0)
January 02-12-12 (0.0)-13 (1.0)-13 (1.0)
January 02-12-12 (0.0)-13 (1.0)-13 (1.0)
January 02-12-12 (0.0)-13 (1.0)-13 (1.0)
January 01-20.9-18 (2.9)-22 (1.1)-24 (3.1)
January 01-20.9-18 (2.9)-22 (1.1)-24 (3.1)
January 01-20.9-18 (2.9)-22 (1.1)-24 (3.1)

 

 
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