Historical Weather Data

Each of these files contains environmental data collected at the University of Saskatchewan's Kernen Crop Research Farm. The files are in comma-separated format, with one set of readings per line. You can download the raw files or look at them on-line.

Select:
Icon  Name                    Last modified      Size  
[   ] kfarm.dat 18-Sep-2018 14:17 1.9M [   ] kfarm17.dat 31-Dec-2017 00:17 3.3M [   ] kfarm16.dat 31-Dec-2016 00:17 2.2M [   ] kfarm15.dat 31-Dec-2015 00:17 2.1M [   ] kfarm14.dat 31-Dec-2014 00:00 2.2M [   ] kfarm13.dat 31-Dec-2013 00:00 2.2M [   ] kfarm12.dat 31-Dec-2012 00:00 2.2M [   ] kfarm11.dat 31-Dec-2011 00:00 2.3M [   ] kfarm10.dat 31-Dec-2010 00:00 2.5M [   ] kfarm09.dat 31-Dec-2009 00:00 2.5M [   ] kfarm08.dat 31-Dec-2008 00:00 2.6M [   ] kfarm07.dat 31-Dec-2007 00:00 2.4M [   ] kfarm06.dat 31-Dec-2006 00:00 2.4M [   ] kfarm05.dat 31-Dec-2005 23:00 2.5M [   ] kfarm04.dat 31-Dec-2004 23:00 2.3M [   ] kfarm03.dat 31-Dec-2003 23:00 2.4M [   ] kfarm02.dat 31-Dec-2002 23:00 2.4M [   ] kfarm01.dat 31-Dec-2001 23:00 2.4M [   ] kfarm00.dat 31-Dec-2000 23:00 2.4M [   ] kfarm99.dat 31-Dec-1999 23:00 2.4M [   ] kfarm98.dat 31-Dec-1998 23:00 2.4M [   ] kfarm97.dat 31-Dec-1997 23:00 2.5M [   ] kfarm96.dat 31-Dec-1996 23:00 2.6M [   ] kfarm95.dat 31-Dec-1995 23:00 2.4M [   ] kfarm94.dat 31-Dec-1994 23:00 2.3M [   ] kfarm93.dat 31-Dec-1993 23:00 925K
Note:
Wind Speed: 1 knot = 1.85 km/hr
Pressure: multiply by 100 for KPa
Time (UCT): subtract 6 hours for local time. E.g. 0600 is midnight local time.

There are several types of data, as indicated by the number in the first column:

160 - hourly data

FieldExampleDescription
1160Identifier
22018Year
3261Julian Date
42000Time (UCT)
51513Station ID - Kernen Farm
6100Data Availability (%)
714.01Battery Voltage (volts)
89.73Station Pressure (kPa/100)
98.04Air Temperature (1 min. average) °C
1018.69Relative Humidity (% - 1 min. average)
110Mean Wind Speed (2 min. average) knots
120Mean Vector Magnitude (2 min. average) knots
13230.1Mean Vector Direction (2 min. average) degrees from North
147.42Sigma Theta (ignore)
150Peak 5 Second Wind Speed (past hour) knots
161900Peak Wind Speed Time (past hour)
17208.4Peak Wind Speed Direction (past hour) degrees from North
180Max 2 Minute Wind Speed (past hour) knots
190Tipping Bucket Rain Gauge (past hour) mm. - summer only, til June 15, 2009
20102.5(ignore)
21102.9(ignore)
22102.9(ignore)
23102.7(ignore)
240(ignore)
256999(ignore)
260(ignore)
270Mean Wind Speed (min. 50-60 min) knots
280Mean Wind Vector Magnitute (min. 50-60 min) knots
29227.7Mean Wind Vector Direction (min. 50-60 min) degrees from North
3017.44Sigma Theta (min. 50-60 min) ignore
310Peak 5 sec Wind Speed (50-60 min)
320Max 10 min Wind Speed (past hour)
337.69Temperature (1 hour average)
3418.81Relative Humidity (1 hour average)
350Mean Wind Speed (1 hour average)
360Mean Wind Vector Magnitude (1 hour average)
37221.7Mean Wind Vector Direction (1 hour average) degrees from North
3815.69Sigma Theta (ignore)
390Sigma U (ignore)
408.04Max Air Temperature (past hour)
417.4Min Air Temperature (past hour)
42184.8Global Radiation (1 hour average)
430(ignore)
4410.135 cm Soil Temperature (1 hour average)
459.4610 cm Soil Temperature (1 hour average)
469.7920 cm Soil Temperature (1 hour average)
4711.6550 cm Soil Temperature (1 hour average)
4812.34100 cm Soil Temperature (1 hour average)
491.701150 cm Soil Temperature (ignore)
501.803200 cm Soil Temperature (ignore)
511.645300 cm Soil Temperature (ignore)
520(ignore)

224 - daily data collected at 0600 hrs (values for the previous day)

FieldExampleDescription
1224Identifier
22018Year
3261Julian Date
4600Time (UCT)
51513Station ID - Kernen Farm
614.18(ignore)
76044(ignore)
814.24(ignore)
91411(ignore)
1013.98(ignore)
112249(ignore)
1211.1(ignore)
13105.2(ignore)
146999(ignore)
158.41Daily Max Screen Temperature (°C)
1641.93Daily Max Relative Humidity (%)
172.906Daily Min Screen Temperature (°C)
1819.86Daily Min Relative Humidity (%)
19.673(ignore)
202.6Tipping Bucket Rain Gauge (past 24 hours) mm. - summer only, til June 15, 2009
210Snow on Ground (ignore)
226999(ignore)
23112.1Incoming Solar Radiation (daily average in W/m2)
240Average Daily Wind Speed (knots)
25276.8Predominant Wind Direction (degrees from North)
268.835 cm Soil Temperature (1 hour average)
279.2110 cm Soil Temperature (1 hour average)
2810.0320 cm Soil Temperature (1 hour average)
2911.9850 cm Soil Temperature (1 hour average)
3012.51100 cm Soil Temperature (1 hour average)
31-1286(ignore)
32-734(ignore)
330(ignore)

400 - precipitation amounts and time (ignore)

208 - averages determined at 1400 hours (ignore)

217 - averages determined at 2300 hours (ignore)