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 26-Apr-2019 02:17 173K [   ] kfarm18.dat 31-Dec-2018 00:17 3.0M [   ] kfarm17.dat 31-Dec-2017 00:17 3.3M [   ] kfarm16.dat 31-Dec-2016 00:17 2.2M [   ] kfarm15.dat 31-Dec-2015 00:17 2.1M [   ] kfarm14.dat 31-Dec-2014 00:00 2.2M [   ] kfarm13.dat 31-Dec-2013 00:00 2.2M [   ] kfarm12.dat 31-Dec-2012 00:00 2.2M [   ] kfarm11.dat 31-Dec-2011 00:00 2.3M [   ] kfarm10.dat 31-Dec-2010 00:00 2.5M [   ] kfarm09.dat 31-Dec-2009 00:00 2.5M [   ] kfarm08.dat 31-Dec-2008 00:00 2.6M [   ] kfarm07.dat 31-Dec-2007 00:00 2.4M [   ] kfarm06.dat 31-Dec-2006 00:00 2.4M [   ] kfarm05.dat 31-Dec-2005 23:00 2.5M [   ] kfarm04.dat 31-Dec-2004 23:00 2.3M [   ] kfarm03.dat 31-Dec-2003 23:00 2.4M [   ] kfarm02.dat 31-Dec-2002 23:00 2.4M [   ] kfarm01.dat 31-Dec-2001 23:00 2.4M [   ] kfarm00.dat 31-Dec-2000 23:00 2.4M [   ] kfarm99.dat 31-Dec-1999 23:00 2.4M [   ] kfarm98.dat 31-Dec-1998 23:00 2.4M [   ] kfarm97.dat 31-Dec-1997 23:00 2.5M [   ] kfarm96.dat 31-Dec-1996 23:00 2.6M [   ] kfarm95.dat 31-Dec-1995 23:00 2.4M [   ] kfarm94.dat 31-Dec-1994 23:00 2.3M [   ] 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
22019Year
325Julian Date
41101Time (UCT)
51513Station ID - Kernen Farm
696Data Availability (%)
70Battery Voltage (volts)
8-6999Station Pressure (kPa/100)
9-6999Air Temperature (1 min. average) °C
10-6999Relative Humidity (% - 1 min. average)
110Mean Wind Speed (2 min. average) knots
120Mean Vector Magnitude (2 min. average) knots
13270Mean Vector Direction (2 min. average) degrees from North
1481Sigma Theta (ignore)
150Peak 5 Second Wind Speed (past hour) knots
161101Peak Wind Speed Time (past hour)
17-6999Peak 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
20-6999(ignore)
21-6999(ignore)
22-6999(ignore)
23-6999(ignore)
240(ignore)
256999(ignore)
260(ignore)
270Mean Wind Speed (min. 50-60 min) knots
28-6999Mean Wind Vector Magnitute (min. 50-60 min) knots
29-6999Mean Wind Vector Direction (min. 50-60 min) degrees from North
300Sigma Theta (min. 50-60 min) ignore
310Peak 5 sec Wind Speed (50-60 min)
32270Max 10 min Wind Speed (past hour)
3381Temperature (1 hour average)
340Relative Humidity (1 hour average)
35-6999Mean Wind Speed (1 hour average)
36-6999Mean Wind Vector Magnitude (1 hour average)
37-6999Mean Wind Vector Direction (1 hour average) degrees from North
380Sigma Theta (ignore)
39-6999Sigma U (ignore)
40-6999Max Air Temperature (past hour)
41-6999Min Air Temperature (past hour)
42-6999Global Radiation (1 hour average)
430(ignore)
44-69995 cm Soil Temperature (1 hour average)
45010 cm Soil Temperature (1 hour average)
46-699920 cm Soil Temperature (1 hour average)
47050 cm Soil Temperature (1 hour average)

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

FieldExampleDescription
1224Identifier
22019Year
325Julian Date
4600Time (UCT)
51513Station ID - Kernen Farm
60(ignore)
76044(ignore)
86999(ignore)
9817(ignore)
100(ignore)
11816(ignore)
12-54.14(ignore)
13-6999(ignore)
146999(ignore)
1516.97Daily Max Screen Temperature (°C)
166999Daily Max Relative Humidity (%)
17-6999Daily Min Screen Temperature (°C)
18-6999Daily Min Relative Humidity (%)
190(ignore)
200Tipping Bucket Rain Gauge (past 24 hours) mm. - summer only, til June 15, 2009
210Snow on Ground (ignore)
226999(ignore)
23-6999Incoming Solar Radiation (daily average in W/m2)
240Average Daily Wind Speed (knots)
25194.5Predominant Wind Direction (degrees from North)
2669995 cm Soil Temperature (1 hour average)
27699910 cm Soil Temperature (1 hour average)
28699920 cm Soil Temperature (1 hour average)
29699950 cm Soil Temperature (1 hour average)
306999100 cm Soil Temperature (1 hour average)
316999(ignore)
326999(ignore)
330(ignore)

400 - precipitation amounts and time (ignore)

208 - averages determined at 1400 hours (ignore)

217 - averages determined at 2300 hours (ignore)