condition	mean	min	max
4 h after light	16036.3	16036.3	16036.3
8 h after light	18087.1	17260.2	18914.0
12 h after light	15914.050000000001	13244.2	18583.9
4 h after dark	15567.449999999999	14076.3	17058.6
8 h after dark	16367.8	16195.0	16540.6
12 h after dark	14949.95	14410.9	15489.0