condition	mean	min	max
4 h after light	15.93935	15.6327	16.246
8 h after light	12.7416	12.7084	12.7748
12 h after light	14.174900000000001	13.5787	14.7711
4 h after dark	17.8709	15.8652	19.8766
8 h after dark	17.480249999999998	17.3383	17.6222
12 h after dark	17.90305	17.6524	18.1537