There has been many requests for information on where to find such things as 4 inch soil temperatures, stress degree days, growing degree days etc.
The NOAA Midwest Regional Climate Center has a wealth of information at:
http://mrcc.isws.illinois.edu/
http://mrcc.isws.illinois.edu/cliwatch/watch.htm
If you go to the NOAA Midwest Regional Climate Center and create a free account at:
http://mrcc.isws.illinois.edu/CLIMATE/
You will be able to get access to observed growing degree days, stress degree days, temperatures, precipitation and snowfall information both in gridded and station format.
The NOAA MRCC also has a VEG program to give information on such things as stress degree days and chilling hours at the websites below:
http://mrcc.isws.illinois.edu/VIP/indexSDD.html
http://mrcc.isws.illinois.edu/VIP/indexChillHoursSep.html
The NOAA MRCC also has 4 inch and drought information at:
http://mrcc.isws.illinois.edu/cliwatch/drought/drought.jsp
The NOAA MRCC also has all your information for El Nino at:
http://mrcc.isws.illinois.edu/mw_climate/elNino/index.jsp
February Outlook:
Expect a cold middle of the month of February to turn warmer than normal again by late February. Precipitation for February will generally to normal to slightly above normal.
March Outlook:
Expect temperatures slightly above normal and drastically better than the last two March's. Rainfall will be in the normal or slightly below normal range.