condition	mean	min	max
4 h after light	17.202849999999998	17.0536	17.3521
8 h after light	17.15305	16.7626	17.5435
12 h after light	19.3953	18.7384	20.0522
4 h after dark	24.61035	22.3867	26.834
8 h after dark	21.13125	20.9161	21.3464
12 h after dark	18.8082	17.8492	19.7672