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 15-Dec-2017 11:17 3.2M
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
3349Julian Date
41700Time (UCT)
51513Station ID - Kernen Farm
6100Data Availability (%)
714.33Battery Voltage (volts)
89.35Station Pressure (kPa/100)
91.655Air Temperature (1 min. average) °C
1023.02Relative Humidity (% - 1 min. average)
110Mean Wind Speed (2 min. average) knots
120Mean Vector Magnitude (2 min. average) knots
13223.5Mean Vector Direction (2 min. average) degrees from North
146.564Sigma Theta (ignore)
150Peak 5 Second Wind Speed (past hour) knots
161600Peak Wind Speed Time (past hour)
17216.5Peak 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
2089.7(ignore)
2189.7(ignore)
2289.5(ignore)
2389.7(ignore)
240(ignore)
256999(ignore)
260(ignore)
270Mean Wind Speed (min. 50-60 min) knots
280Mean Wind Vector Magnitute (min. 50-60 min) knots
29226Mean Wind Vector Direction (min. 50-60 min) degrees from North
306.313Sigma Theta (min. 50-60 min) ignore
310Peak 5 sec Wind Speed (50-60 min)
320Max 10 min Wind Speed (past hour)
331.626Temperature (1 hour average)
3422.98Relative Humidity (1 hour average)
350Mean Wind Speed (1 hour average)
360Mean Wind Vector Magnitude (1 hour average)
37219.7Mean Wind Vector Direction (1 hour average) degrees from North
389.97Sigma Theta (ignore)
390Sigma U (ignore)
401.699Max Air Temperature (past hour)
411.481Min Air Temperature (past hour)
4279.6Global Radiation (1 hour average)
430(ignore)
44-.8335 cm Soil Temperature (1 hour average)
45-.73710 cm Soil Temperature (1 hour average)
46-.40820 cm Soil Temperature (1 hour average)
47.88150 cm Soil Temperature (1 hour average)
483.105100 cm Soil Temperature (1 hour average)
49.495150 cm Soil Temperature (ignore)
50.507200 cm Soil Temperature (ignore)
51.393300 cm Soil Temperature (ignore)
520(ignore)

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

FieldExampleDescription
1224Identifier
22017Year
3349Julian Date
4600Time (UCT)
51513Station ID - Kernen Farm
614.42(ignore)
74081(ignore)
814.44(ignore)
9402(ignore)
1014.28(ignore)
112157(ignore)
123.182(ignore)
1389(ignore)
146999(ignore)
15-.713Daily Max Screen Temperature (°C)
1626.74Daily Max Relative Humidity (%)
17-3.51Daily Min Screen Temperature (°C)
1822.33Daily Min Relative Humidity (%)
191.652(ignore)
200Tipping Bucket Rain Gauge (past 24 hours) mm. - summer only, til June 15, 2009
210Snow on Ground (ignore)
226999(ignore)
2375.5Incoming Solar Radiation (daily average in W/m2)
240Average Daily Wind Speed (knots)
25226.1Predominant Wind Direction (degrees from North)
26-.7815 cm Soil Temperature (1 hour average)
27-.69410 cm Soil Temperature (1 hour average)
28-.4520 cm Soil Temperature (1 hour average)
29.78950 cm Soil Temperature (1 hour average)
303.127100 cm Soil Temperature (1 hour average)
31-290.3(ignore)
32-242.3(ignore)
330(ignore)

400 - precipitation amounts and time (ignore)

208 - averages determined at 1400 hours (ignore)

217 - averages determined at 2300 hours (ignore)