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  
[   ] 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 [   ] 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 [   ] kfarm.dat 21-Oct-2017 04:17 2.9M
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
3294Julian Date
41000Time (UCT)
51513Station ID - Kernen Farm
6100Data Availability (%)
714.21Battery Voltage (volts)
89.27Station Pressure (kPa/100)
96.53Air Temperature (1 min. average) °C
1019.42Relative Humidity (% - 1 min. average)
110Mean Wind Speed (2 min. average) knots
120Mean Vector Magnitude (2 min. average) knots
13304.8Mean Vector Direction (2 min. average) degrees from North
1419.19Sigma Theta (ignore)
150Peak 5 Second Wind Speed (past hour) knots
16900Peak Wind Speed Time (past hour)
17282.8Peak 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
2090(ignore)
2190.3(ignore)
2290.7(ignore)
2390.4(ignore)
240(ignore)
256999(ignore)
260(ignore)
270Mean Wind Speed (min. 50-60 min) knots
280Mean Wind Vector Magnitute (min. 50-60 min) knots
29306.1Mean Wind Vector Direction (min. 50-60 min) degrees from North
3022.73Sigma Theta (min. 50-60 min) ignore
310Peak 5 sec Wind Speed (50-60 min)
320Max 10 min Wind Speed (past hour)
336.572Temperature (1 hour average)
3419.46Relative Humidity (1 hour average)
350Mean Wind Speed (1 hour average)
360Mean Wind Vector Magnitude (1 hour average)
37292.9Mean Wind Vector Direction (1 hour average) degrees from North
3819.81Sigma Theta (ignore)
390Sigma U (ignore)
406.656Max Air Temperature (past hour)
416.521Min Air Temperature (past hour)
4248.78Global Radiation (1 hour average)
430(ignore)
446.5845 cm Soil Temperature (1 hour average)
457.2110 cm Soil Temperature (1 hour average)
467.9720 cm Soil Temperature (1 hour average)
478.7950 cm Soil Temperature (1 hour average)
4810.03100 cm Soil Temperature (1 hour average)
49.249150 cm Soil Temperature (ignore)
50.35200 cm Soil Temperature (ignore)
51.257300 cm Soil Temperature (ignore)
520(ignore)

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

FieldExampleDescription
1224Identifier
22017Year
3294Julian Date
4600Time (UCT)
51513Station ID - Kernen Farm
614.23(ignore)
74081(ignore)
814.23(ignore)
9546(ignore)
1013.94(ignore)
112104(ignore)
129.52(ignore)
1390.4(ignore)
146999(ignore)
1512.51Daily Max Screen Temperature (°C)
1621.29Daily Max Relative Humidity (%)
173.841Daily Min Screen Temperature (°C)
1816.55Daily Min Relative Humidity (%)
192.728(ignore)
200Tipping Bucket Rain Gauge (past 24 hours) mm. - summer only, til June 15, 2009
210Snow on Ground (ignore)
226999(ignore)
2399.1Incoming Solar Radiation (daily average in W/m2)
240Average Daily Wind Speed (knots)
2539.82Predominant Wind Direction (degrees from North)
267.555 cm Soil Temperature (1 hour average)
277.6610 cm Soil Temperature (1 hour average)
287.8620 cm Soil Temperature (1 hour average)
298.7550 cm Soil Temperature (1 hour average)
3010.09100 cm Soil Temperature (1 hour average)
31-1267(ignore)
32-965(ignore)
330(ignore)

400 - precipitation amounts and time (ignore)

208 - averages determined at 1400 hours (ignore)

217 - averages determined at 2300 hours (ignore)