condition	mean	min	max
4 h after light	14.450560000000001	9.10238	18.0778
8 h after light	13.740113333333333	4.29714	23.0218
12 h after light	16.3476	10.6283	24.5239
4 h after dark	20.770466666666668	17.8454	24.6772
8 h after dark	18.683966666666667	15.773	21.7366
12 h after dark	20.2684	18.0834	21.9322