condition	mean	min	max
0 h after light	17.06745	16.3033	17.8316
4 h after light	13.41995	13.3428	13.4971
8 h after light	14.845749999999999	14.5544	15.1371
4 h after dark	22.03335	19.5458	24.5209
8 h after dark	21.1586	20.1452	22.172
12 h after dark	17.928350000000002	16.3	19.5567