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 16-Dec-2017 14:17 3.2M [   ] 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 [   ] 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
22017Year
3350Julian Date
42000Time (UCT)
51513Station ID - Kernen Farm
6100Data Availability (%)
714.34Battery Voltage (volts)
89.35Station Pressure (kPa/100)
9-.765Air Temperature (1 min. average) °C
1021.67Relative Humidity (% - 1 min. average)
110Mean Wind Speed (2 min. average) knots
120Mean Vector Magnitude (2 min. average) knots
13238.9Mean Vector Direction (2 min. average) degrees from North
1410.37Sigma Theta (ignore)
15.114Peak 5 Second Wind Speed (past hour) knots
161925Peak Wind Speed Time (past hour)
17249.1Peak Wind Speed Direction (past hour) degrees from North
18.016Max 2 Minute Wind Speed (past hour) knots
190Tipping Bucket Rain Gauge (past hour) mm. - summer only, til June 15, 2009
2089.1(ignore)
2189.5(ignore)
2289.7(ignore)
2389.7(ignore)
24.608(ignore)
256999(ignore)
260(ignore)
270Mean Wind Speed (min. 50-60 min) knots
280Mean Wind Vector Magnitute (min. 50-60 min) knots
29237.4Mean Wind Vector Direction (min. 50-60 min) degrees from North
308.5Sigma Theta (min. 50-60 min) ignore
310Peak 5 sec Wind Speed (50-60 min)
32.006Max 10 min Wind Speed (past hour)
33-.818Temperature (1 hour average)
3421.69Relative Humidity (1 hour average)
35.001Mean Wind Speed (1 hour average)
36.001Mean Wind Vector Magnitude (1 hour average)
37241Mean Wind Vector Direction (1 hour average) degrees from North
388.62Sigma Theta (ignore)
39.009Sigma U (ignore)
40-.737Max Air Temperature (past hour)
41-.869Min Air Temperature (past hour)
42144.1Global Radiation (1 hour average)
43.959(ignore)
44-.6645 cm Soil Temperature (1 hour average)
45-.29910 cm Soil Temperature (1 hour average)
46-.22420 cm Soil Temperature (1 hour average)
47.96550 cm Soil Temperature (1 hour average)
483.088100 cm Soil Temperature (1 hour average)
49.538150 cm Soil Temperature (ignore)
50.759200 cm Soil Temperature (ignore)
51.639300 cm Soil Temperature (ignore)
520(ignore)

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

FieldExampleDescription
1224Identifier
22017Year
3350Julian Date
4600Time (UCT)
51513Station ID - Kernen Farm
614.31(ignore)
74081(ignore)
814.43(ignore)
9607(ignore)
1014.24(ignore)
112208(ignore)
126.803(ignore)
1389.7(ignore)
146999(ignore)
153.569Daily Max Screen Temperature (°C)
1625.85Daily Max Relative Humidity (%)
17-1.797Daily Min Screen Temperature (°C)
1820.93Daily Min Relative Humidity (%)
191.41(ignore)
200Tipping Bucket Rain Gauge (past 24 hours) mm. - summer only, til June 15, 2009
210Snow on Ground (ignore)
226999(ignore)
2364.11Incoming Solar Radiation (daily average in W/m2)
240Average Daily Wind Speed (knots)
25223.4Predominant Wind Direction (degrees from North)
26-.7515 cm Soil Temperature (1 hour average)
27-.63810 cm Soil Temperature (1 hour average)
28-.4120 cm Soil Temperature (1 hour average)
29.88150 cm Soil Temperature (1 hour average)
303.103100 cm Soil Temperature (1 hour average)
31-288.4(ignore)
32-244.3(ignore)
330(ignore)

400 - precipitation amounts and time (ignore)

208 - averages determined at 1400 hours (ignore)

217 - averages determined at 2300 hours (ignore)