The Climate Assessment for 1997, available on the Climate Prediction Center web site, might have some of the information that you're seeking. 

http://www.cpc.ncep.noaa.gov/products/assessments/assess_97/

You can also create your own seasonal temperature and precipitation anomaly maps from the Earth System Research Lab's Physical Sciences Division:

http://www.esrl.noaa.gov/psd/data/usclimdivs/