Appendix G.   Weather Data   [Source:  www.climate.weatheroffice.ec.gc.ca   accessed: 2004-May13]

Weather station:
OSTENFELD MANITOBA
Latitude:
49° 49' N
Longitude:
96° 28' W
Elevation:
274.30 m
Climate ID:
503B0NE

Monthly Data for OSTENFELD MB for 1999
 Mean Max Temp
°C
Mean Temp
°C
Mean Min Temp
°C
Extr Max Temp
°C
Extr Min Temp
°C
Total Rain
mm
Total Snow
cm
Total Precip
mm
Jan-11.8 -16.7 -21.6 4.5 -36.0 0.0 16.0 16.0
Feb -2.5 -7.4 -12.2 9.0 -25.0 3.2 11.2 14.4
Mar 3.4 -2.0 -7.5 15.5 -21.5 0.8 10.0 10.8
Apr 13.7 6.5 -0.7 26.0 -8.0 8.0 19.6 27.6
May 17.6 11.8 6.0 29.5 -3.5 132.4 0.0 132.4
Jun 22.4 16.0 9.5 32.5 -1.0 104.6 0.0 104.6
Jul 25.5 19.4 13.2 32.0 7.0 58.2 0.0 58.2
Aug 24.1 17.4 10.7 28.5S 3.5 105.0 0.0 105.0
Sep 16.5 11.3 6.1 25.5 -3.0 76.6 0.0 76.6
Oct 9.6 4.5 -0.6 17.5 -7.0 29.8 2.6 32.4
Nov 5.5 0.5 -4.6 17.5 -11.0 0.2 1.4 1.6
Dec -3.5 -8.6 -13.7 8.0 -34.0 0.4 22.0 22.4
Sum      519.2 82.8 602.0
Avg 10.0 4.4 -1.3     
Xtrm    32.5-36.0   

Monthly Data for OSTENFELD MB for 2000
 Mean Max Temp
°C
Mean Temp
°C
Mean Min Temp
°C
Extr Max Temp
°C
Extr Min Temp
°C
Total Rain
mm
Total Snow
cm
Total Precip
mm
Jan-10.6 -16.6 -22.4 0.5 -35.0S 0.0 23.6 23.6
Feb -2.9 -8.6 -14.4 10.0 -32.5 23.8 5.6 29.4
Mar 5.4 -0.3 -6.0 18.0 -21.0S 23.8 6.6 30.4
Apr 11.3 4.2 -2.9 24.5 -12.0 12.4 T 12.4
May 18.7 11.5 4.3 30.5 -2.5 77.8 1.4 79.2
Jun 20.1 14.6 9.1 29.5 3.5S193.2 0.0 193.2
Jul 25.5 19.4 13.1 30.5 5.5 154.8 0.0 154.8
Aug 24.2 18.5 12.6 29.5 6.0S147.8 0.0 147.8
Sep 17.3 11.7 6.0 26.5 -2.5 79.2 0.0 79.2
Oct 12.7 6.9 1.0 21.0 -5.5 16.0 6.0 22.0
Nov -0.6 -3.8 -6.9 11.0 -21.0 97.0 13.2 110.2
Dec-15.6 -20.7 -25.7 -0.5 -35.5 0.0 33.6 33.6
Sum      825.8 90.0 915.8
Avg 8.8 3.1 -2.7     
Xtrm    30.5-35.5   

Monthly Data for OSTENFELD MB for 2001
 Mean Max Temp
°C
Mean Temp
°C
Mean Min Temp
°C
Extr Max Temp
°C
Extr Min Temp
°C
Total Rain
mm
Total Snow
cm
Total Precip
mm
Jan -6.3 -11.5 -16.8 1.0 -29.0 0.0 11.2 11.2
Feb-12.0 -17.3 -22.5 -2.0 -34.5 0.0 13.4 13.4
Mar -0.3 -5.3 -10.2 6.0 -24.5 10.0 3.2 13.2
Apr 10.8 5.4 0.0 27.0 -8.5 28.0 5.2 33.2
May 18.7 12.7 6.7 25.5S -1.0S122.7 0.0 122.7
Jun 22.1 16.3 10.5 32.0 3.5 113.6 0.0 113.6
Jul 26.1 20.2 14.2 31.0S 5.0S117.6 0.0 117.6
Aug 25.4 19.4 13.3 33.0 3.0 77.0 0.0 77.0
Sep 19.8 13.2 6.5 29.0 -3.0 13.6 0.0 13.6
Oct 9.7 4.5 -0.8 21.5 -7.5 11.6 23.6 35.2
Nov 5.4 1.4 -2.6 19.0 -10.0 10.2 7.6 17.8
Dec -5.3 -9.6 -13.8 4.0 -24.0 2.8 21.8 24.6
Sum      507.1 86.0 593.1
Avg 9.5 4.1 -1.3     
Xtrm    33.0-34.5   

Monthly Data for OSTENFELD MB for 2002
 Mean Max Temp
°C
Mean Temp
°C
Mean Min Temp
°C
Extr Max Temp
°C
Extr Min Temp
°C
Total Rain
mm
Total Snow
cm
Total Precip
mm
Jan -8.7 -13.3 -17.9 5.5 -34.0 0.0 27.8 27.8
Feb -3.2 -9.3 -15.3 6.0 -30.0 0.0 12.0 12.0
Mar -5.6 -11.0 -16.5 9.0 -30.0 0.0 19.6 19.6
Apr 7.5 1.5 -4.4 20.0 -13.5 13.8 5.4 19.0
May 14.9 8.0 1.1 28.5 -6.5 52.8 9.0 61.8
Jun 24.0 17.8 11.6 33.5 1.0 97.6 0.0 97.6
Jul 26.7 20.7 14.6 33.0 7.0 111.4 0.0 111.4
Aug 23.1 17.7 12.3 29.0 6.5 80.4 0.0 80.4
Sep 19.4 13.5 7.6 28.5 -5.5 44.2 0.0 44.2
Oct 4.4 0.2 -4.0 18.5 -11.0 4.6 6.6 11.2
Nov -1.0 -5.3 -9.6 9.5 -20.5 1.8 10.2 12.0
Dec -4.9 -9.0 -13.1 5.5 -27.5 0.0 20.6 20.6
Sum      406.6 111.2 517.6
Avg 8.0 2.6 -2.8     
Xtrm    33.5-34.0   

Monthly Data for OSTENFELD MB for 2003
 Mean Max Temp
°C
Mean Temp
°C
Mean Min Temp
°C
Extr Max Temp
°C
Extr Min Temp
°C
Total Rain
mm
Total Snow
cm
Total Precip
mm
Jan-10.7 -15.4 -20.0 6.5 -34.0 T 15.2 15.2
Feb-12.4 -18.1 -23.8 -0.5 -36.5 0.0 11.0 11.0
Mar -1.5 -7.3 -13.0 15.0 -39.0 0.8 6.2 7.0
Apr 12.3 5.1 -2.1 24.5S-10.0 16.4 17.2 33.6
May 19.8 12.3 4.7 26.5 -4.0 80.6 0.0 80.6
Jun 23.0 16.5 10.0 30.0 3.0S 88.8 0.0 88.8
Jul 25.5 19.4 13.2 30.5 7.5 50.8 0.0 50.8
Aug 27.1 20.8 14.4 34.0S 4.0 78.2 0.0 78.2
Sep 17.1 12.0 6.8 29.5 -2.5 80.8 T 80.8
Oct 11.9 6.5 1.1 28.0 -6.5 8.4 10.6 19.0
Nov -2.0 -6.3 -10.5 6.5 -20.0 2.4 4.8 7.2
Dec -4.0 -8.6 -13.3 4.0 -31.5 1.0 27.2 28.2
Sum      408.2 92.2 500.4
Avg 8.8 3.1 -2.7     
Xtrm    34.0S-39.0   

Legend for Monthly Data
[empty] = No data available
M = Missing
E = Estimated
B = More than one occurrence and estimated
* = The value displayed is based on incomplete data
S = More than one occurrence
T = Trace


Climate Normals Data for OSTENFELD MB for 1971-2000
JanFebMarAprMayJunJulAugSepOctNovDecYearCode
Daily Average (°C) -16.9 -12.3 -5.1  4.0  11.6  16.4  18.8  17.9  11.9  5.1 -5.3 -14.0  2.7 D
Standard Deviation  3.9  4.4  2.8  2.7  1.8  2.1  1.3  1.7  1.4  1.5  3.7  4.4  1.6 D
Daily Maximum (°C) -11.5 -6.9  0.4  10.6  18.7  22.9  25.3  24.8  18.1  10.4 -1.2 -9.3  8.5 D
Daily Minimum (°C) -22.3 -17.7 -10.5 -2.6  4.4  9.8  12.3  11.0  5.6 -0.3 -9.5 -18.7 -3.2 D
Extreme Maximum (°C)  7.0  10.0  18.0  31.5  34.0  35.5  35.0  36.5  37.5  30.0  19.0  8.0  
Extreme Minimum (°C) -42.5 -41.0 -36.0 -24.5 -9.0 -5.0  0.5 -2.5 -7.0 -17.0 -37.0 -40.5  
Rainfall (mm)  0.1  1.9  10.0  22.3  67.4  99.3  91.4  79.5  64.7  40.8  10.2  1.6  489.1 A
Snowfall (cm)  28.5  19.5  17.0  9.7  1.2  0.0  0.0  0.0  0.3  5.0  26.0  25.4  132.6 A
Precipitation (mm)  28.6  21.5  27.0  32.0  68.5  99.3  91.4  79.5  65.0  45.8  36.1  27.0  621.7 A
Legend:
Value in bold indicates all-time extreme for the location.
Code column - normals for some elements are derived from less than 30 years of record; the minimum number of years is indicated by:
"A": No more than 3 consecutive or 5 total missing years between 1971 to 2000;
"B": At least 25 years of record between 1971 and 2000;
"C": At least 20 years of record between 1971 and 2000;
"D": At least 15 years of record between 1971 and 2000.