Logical_test on Dates to get date_wise MIN and MAX values

NEED HE
I want to find the MIN and MAX from column 'values' with respect to dates.

Data is in below format:
Dates (several months; daily_basis) | Time (minute by minute) | Values (data)

Required Result format:
Date-1 (e.g. 02-Apr-16) | MIN_value | MAX_value
Date-2 (e.g. 03-Apr-16) | MIN_value | MAX_value
Date-3 (e.g. 03-Apr-16) | MIN_value | MAX_value
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