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 17-Jul-2018 12:17 1.4M [   ] kfarm00.dat 31-Dec-2000 23:00 2.4M [   ] kfarm01.dat 31-Dec-2001 23:00 2.4M [   ] kfarm02.dat 31-Dec-2002 23:00 2.4M [   ] kfarm03.dat 31-Dec-2003 23:00 2.4M [   ] kfarm04.dat 31-Dec-2004 23:00 2.3M [   ] kfarm05.dat 31-Dec-2005 23:00 2.5M [   ] kfarm06.dat 31-Dec-2006 00:00 2.4M [   ] kfarm07.dat 31-Dec-2007 00:00 2.4M [   ] kfarm08.dat 31-Dec-2008 00:00 2.6M [   ] kfarm09.dat 31-Dec-2009 00:00 2.5M [   ] kfarm10.dat 31-Dec-2010 00:00 2.5M [   ] kfarm11.dat 31-Dec-2011 00:00 2.3M [   ] kfarm12.dat 31-Dec-2012 00:00 2.2M [   ] kfarm13.dat 31-Dec-2013 00:00 2.2M [   ] kfarm14.dat 31-Dec-2014 00:00 2.2M [   ] kfarm15.dat 31-Dec-2015 00:17 2.1M [   ] kfarm16.dat 31-Dec-2016 00:17 2.2M [   ] kfarm17.dat 31-Dec-2017 00:17 3.3M [   ] kfarm93.dat 31-Dec-1993 23:00 925K [   ] kfarm94.dat 31-Dec-1994 23:00 2.3M [   ] kfarm95.dat 31-Dec-1995 23:00 2.4M [   ] kfarm96.dat 31-Dec-1996 23:00 2.6M [   ] kfarm97.dat 31-Dec-1997 23:00 2.5M [   ] kfarm98.dat 31-Dec-1998 23:00 2.4M [   ] kfarm99.dat 31-Dec-1999 23:00 2.4M
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
3198Julian Date
41800Time (UCT)
51513Station ID - Kernen Farm
6100Data Availability (%)
713.55Battery Voltage (volts)
810.18Station Pressure (kPa/100)
927.96Air Temperature (1 min. average) °C
1011.05Relative Humidity (% - 1 min. average)
110Mean Wind Speed (2 min. average) knots
120Mean Vector Magnitude (2 min. average) knots
1393.6Mean Vector Direction (2 min. average) degrees from North
147.26Sigma Theta (ignore)
150Peak 5 Second Wind Speed (past hour) knots
161700Peak Wind Speed Time (past hour)
1799Peak 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
2089.4(ignore)
2189(ignore)
2289(ignore)
2389.4(ignore)
240(ignore)
256999(ignore)
260(ignore)
270Mean Wind Speed (min. 50-60 min) knots
280Mean Wind Vector Magnitute (min. 50-60 min) knots
2993.2Mean Wind Vector Direction (min. 50-60 min) degrees from North
309.32Sigma Theta (min. 50-60 min) ignore
310Peak 5 sec Wind Speed (50-60 min)
320Max 10 min Wind Speed (past hour)
3326.79Temperature (1 hour average)
3411.49Relative Humidity (1 hour average)
350Mean Wind Speed (1 hour average)
360Mean Wind Vector Magnitude (1 hour average)
3789.9Mean Wind Vector Direction (1 hour average) degrees from North
3812.29Sigma Theta (ignore)
390Sigma U (ignore)
4027.96Max Air Temperature (past hour)
4125.85Min Air Temperature (past hour)
42488.2Global Radiation (1 hour average)
431.001(ignore)
4422.45 cm Soil Temperature (1 hour average)
4520.4410 cm Soil Temperature (1 hour average)
4619.820 cm Soil Temperature (1 hour average)
4717.0950 cm Soil Temperature (1 hour average)
4812.88100 cm Soil Temperature (1 hour average)
498.67150 cm Soil Temperature (ignore)
508.67200 cm Soil Temperature (ignore)
517.89300 cm Soil Temperature (ignore)
520(ignore)

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

FieldExampleDescription
1224Identifier
22018Year
3198Julian Date
4600Time (UCT)
51513Station ID - Kernen Farm
613.78(ignore)
76044(ignore)
814.13(ignore)
91152(ignore)
1013.42(ignore)
1157(ignore)
1224.36(ignore)
1389.2(ignore)
146999(ignore)
1524.94Daily Max Screen Temperature (°C)
1626.46Daily Max Relative Humidity (%)
177.66Daily Min Screen Temperature (°C)
1812.13Daily Min Relative Humidity (%)
193.16(ignore)
200Tipping Bucket Rain Gauge (past 24 hours) mm. - summer only, til June 15, 2009
210Snow on Ground (ignore)
226999(ignore)
23241Incoming Solar Radiation (daily average in W/m2)
240Average Daily Wind Speed (knots)
2590.2Predominant Wind Direction (degrees from North)
2621.855 cm Soil Temperature (1 hour average)
2721.2510 cm Soil Temperature (1 hour average)
2820.0620 cm Soil Temperature (1 hour average)
2917.0650 cm Soil Temperature (1 hour average)
3012.76100 cm Soil Temperature (1 hour average)
31-2957(ignore)
32-696.2(ignore)
330(ignore)

400 - precipitation amounts and time (ignore)

208 - averages determined at 1400 hours (ignore)

217 - averages determined at 2300 hours (ignore)