# 412720088153201	Grundy County, IL, Local number, 34N8E-1.3e1
# Date	Ground-Water Levels, period of record
# (yr/mo/dy)	(maximum feet below land-surface datum)
19920602	367.76
19920804	368.20
19921007	364.40
19921203	359.30
19930203	356.22
19930402	356.05
19930601	358.11
19930805	359.40
19931005	358.39
19931201	356.72
19940207	357.63
19940401	358.59
19940802	367.26
19941020	358.83
19941201	355.35
19950202	349.98
19950419	346.91
19950615	350.26
19950803	363.35
19951213	358.60
19960207	358.18
19960327	360.18
19960805	359.00
19961009	359.09
19961210	355.08
19970204	355.57
19970401	357.02
19970611	362.49