condition	mean	min	max
4 h after light	19.144849999999998	18.2661	20.0236
8 h after light	14.4525	14.3255	14.5795
12 h after light	17.37725	15.4231	19.3314
4 h after dark	21.278366666666667	19.1213	22.5963
8 h after dark	23.634966666666667	22.3814	26.0189
12 h after dark	20.995633333333334	20.4384	21.9656