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-Dec-2017 01:17 3.2M [   ] kfarm08.dat 31-Dec-2008 00:00 2.6M [   ] kfarm96.dat 31-Dec-1996 23:00 2.6M [   ] kfarm10.dat 31-Dec-2010 00:00 2.5M [   ] kfarm09.dat 31-Dec-2009 00:00 2.5M [   ] kfarm05.dat 31-Dec-2005 23:00 2.5M [   ] kfarm97.dat 31-Dec-1997 23:00 2.5M [   ] kfarm07.dat 31-Dec-2007 00:00 2.4M [   ] kfarm02.dat 31-Dec-2002 23:00 2.4M [   ] kfarm95.dat 31-Dec-1995 23:00 2.4M [   ] kfarm99.dat 31-Dec-1999 23:00 2.4M [   ] kfarm00.dat 31-Dec-2000 23:00 2.4M [   ] kfarm06.dat 31-Dec-2006 00:00 2.4M [   ] kfarm98.dat 31-Dec-1998 23:00 2.4M [   ] kfarm03.dat 31-Dec-2003 23:00 2.4M [   ] kfarm01.dat 31-Dec-2001 23:00 2.4M [   ] kfarm04.dat 31-Dec-2004 23:00 2.3M [   ] kfarm94.dat 31-Dec-1994 23:00 2.3M [   ] kfarm11.dat 31-Dec-2011 00:00 2.3M [   ] kfarm14.dat 31-Dec-2014 00:00 2.2M [   ] kfarm13.dat 31-Dec-2013 00:00 2.2M [   ] kfarm16.dat 31-Dec-2016 00:17 2.2M [   ] kfarm12.dat 31-Dec-2012 00:00 2.2M [   ] kfarm15.dat 31-Dec-2015 00:17 2.1M [   ] 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
22017Year
3351Julian Date
4700Time (UCT)
51513Station ID - Kernen Farm
6100Data Availability (%)
714.51Battery Voltage (volts)
89.43Station Pressure (kPa/100)
9-5.622Air Temperature (1 min. average) °C
1023.54Relative Humidity (% - 1 min. average)
110Mean Wind Speed (2 min. average) knots
120Mean Vector Magnitude (2 min. average) knots
131.74Mean Vector Direction (2 min. average) degrees from North
14.148Sigma Theta (ignore)
150Peak 5 Second Wind Speed (past hour) knots
16600Peak Wind Speed Time (past hour)
172.906Peak 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(ignore)
2189.3(ignore)
2289(ignore)
2389.2(ignore)
240(ignore)
256999(ignore)
260(ignore)
270Mean Wind Speed (min. 50-60 min) knots
280Mean Wind Vector Magnitute (min. 50-60 min) knots
291.684Mean Wind Vector Direction (min. 50-60 min) degrees from North
30.108Sigma Theta (min. 50-60 min) ignore
310Peak 5 sec Wind Speed (50-60 min)
320Max 10 min Wind Speed (past hour)
33-5.15Temperature (1 hour average)
3423.37Relative Humidity (1 hour average)
350Mean Wind Speed (1 hour average)
360Mean Wind Vector Magnitude (1 hour average)
372.024Mean Wind Vector Direction (1 hour average) degrees from North
38.421Sigma Theta (ignore)
390Sigma U (ignore)
40-4.376Max Air Temperature (past hour)
41-5.622Min Air Temperature (past hour)
4248.79Global Radiation (1 hour average)
430(ignore)
44-.7795 cm Soil Temperature (1 hour average)
45-.32810 cm Soil Temperature (1 hour average)
46-.16320 cm Soil Temperature (1 hour average)
47.99350 cm Soil Temperature (1 hour average)
483.065100 cm Soil Temperature (1 hour average)
49.342150 cm Soil Temperature (ignore)
50.342200 cm Soil Temperature (ignore)
51.277300 cm Soil Temperature (ignore)
520(ignore)

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

FieldExampleDescription
1224Identifier
22017Year
3351Julian Date
4600Time (UCT)
51513Station ID - Kernen Farm
614.48(ignore)
74081(ignore)
814.48(ignore)
9546(ignore)
1014.31(ignore)
11604(ignore)
12.845(ignore)
1389(ignore)
146999(ignore)
151.459Daily Max Screen Temperature (°C)
1625.15Daily Max Relative Humidity (%)
17-4.376Daily Min Screen Temperature (°C)
1821.44Daily Min Relative Humidity (%)
19.608(ignore)
200Tipping Bucket Rain Gauge (past 24 hours) mm. - summer only, til June 15, 2009
210Snow on Ground (ignore)
226999(ignore)
2376.8Incoming Solar Radiation (daily average in W/m2)
240Average Daily Wind Speed (knots)
25225.6Predominant Wind Direction (degrees from North)
26-.5655 cm Soil Temperature (1 hour average)
27-.30710 cm Soil Temperature (1 hour average)
28-.2520 cm Soil Temperature (1 hour average)
29.95450 cm Soil Temperature (1 hour average)
303.08100 cm Soil Temperature (1 hour average)
31-299.9(ignore)
32-251.6(ignore)
330(ignore)

400 - precipitation amounts and time (ignore)

208 - averages determined at 1400 hours (ignore)

217 - averages determined at 2300 hours (ignore)