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  
[   ] kfarm17.dat 31-Dec-2017 00:17 3.3M [   ] 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 [   ] kfarm.dat 23-Jul-2018 11:17 1.4M [   ] 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
22018Year
3204Julian Date
41700Time (UCT)
51513Station ID - Kernen Farm
6100Data Availability (%)
713.82Battery Voltage (volts)
89.32Station Pressure (kPa/100)
916.75Air Temperature (1 min. average) °C
1015.15Relative Humidity (% - 1 min. average)
11.043Mean Wind Speed (2 min. average) knots
12.043Mean Vector Magnitude (2 min. average) knots
13206.4Mean Vector Direction (2 min. average) degrees from North
145.579Sigma Theta (ignore)
15.229Peak 5 Second Wind Speed (past hour) knots
161653Peak Wind Speed Time (past hour)
17193.9Peak Wind Speed Direction (past hour) degrees from North
18.051Max 2 Minute Wind Speed (past hour) knots
190Tipping Bucket Rain Gauge (past hour) mm. - summer only, til June 15, 2009
2090(ignore)
2189.7(ignore)
2290.2(ignore)
2389.7(ignore)
240(ignore)
256999(ignore)
260(ignore)
27.038Mean Wind Speed (min. 50-60 min) knots
28.038Mean Wind Vector Magnitute (min. 50-60 min) knots
29206.1Mean Wind Vector Direction (min. 50-60 min) degrees from North
308.99Sigma Theta (min. 50-60 min) ignore
31.229Peak 5 sec Wind Speed (50-60 min)
32.039Max 10 min Wind Speed (past hour)
3316.19Temperature (1 hour average)
3415.4Relative Humidity (1 hour average)
35.014Mean Wind Speed (1 hour average)
36.014Mean Wind Vector Magnitude (1 hour average)
37209.7Mean Wind Vector Direction (1 hour average) degrees from North
3810.58Sigma Theta (ignore)
39.033Sigma U (ignore)
4016.77Max Air Temperature (past hour)
4115.52Min Air Temperature (past hour)
42464.2Global Radiation (1 hour average)
431.001(ignore)
4418.995 cm Soil Temperature (1 hour average)
4519.2610 cm Soil Temperature (1 hour average)
4620.1420 cm Soil Temperature (1 hour average)
4718.2350 cm Soil Temperature (1 hour average)
4813.62100 cm Soil Temperature (1 hour average)
495.627150 cm Soil Temperature (ignore)
505.94200 cm Soil Temperature (ignore)
515.113300 cm Soil Temperature (ignore)
520(ignore)

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

FieldExampleDescription
1224Identifier
22018Year
3204Julian Date
4600Time (UCT)
51513Station ID - Kernen Farm
613.87(ignore)
76044(ignore)
813.93(ignore)
91355(ignore)
1013.64(ignore)
112035(ignore)
1221.53(ignore)
1390.5(ignore)
146999(ignore)
1521.76Daily Max Screen Temperature (°C)
1623.5Daily Max Relative Humidity (%)
1713.7Daily Min Screen Temperature (°C)
1813.27Daily Min Relative Humidity (%)
192.838(ignore)
201.2Tipping Bucket Rain Gauge (past 24 hours) mm. - summer only, til June 15, 2009
210Snow on Ground (ignore)
226999(ignore)
23202.7Incoming Solar Radiation (daily average in W/m2)
24.002Average Daily Wind Speed (knots)
25206.3Predominant Wind Direction (degrees from North)
2623.265 cm Soil Temperature (1 hour average)
2722.8810 cm Soil Temperature (1 hour average)
2822.1220 cm Soil Temperature (1 hour average)
2918.2750 cm Soil Temperature (1 hour average)
3013.49100 cm Soil Temperature (1 hour average)
31-2263(ignore)
32-701(ignore)
330(ignore)

400 - precipitation amounts and time (ignore)

208 - averages determined at 1400 hours (ignore)

217 - averages determined at 2300 hours (ignore)