condition	mean	min	max
4 h after light	18.8422	16.1155	21.5689
8 h after light	13.572949999999999	12.6505	14.4954
12 h after light	14.4008	14.3376	14.464
4 h after dark	15.3063	13.742	17.8331
8 h after dark	23.717366666666667	20.4094	27.9177
12 h after dark	16.330266666666667	13.3105	18.6886