condition	mean	min	max
4 h after light	19.95525	18.9433	20.9672
8 h after light	10.964300000000001	10.7163	11.2123
12 h after light	8.45953	7.70176	9.2173
4 h after dark	19.426650000000002	19.138	19.7153
8 h after dark	24.5499	24.4345	24.6653
12 h after dark	27.315	25.9234	28.7066