condition	mean	min	max
4 h after light	62.31270000000001	61.7077	62.9177
8 h after light	66.2063	64.833	67.5796
12 h after light	52.952600000000004	51.3682	54.537
4 h after dark	42.3254	42.1339	42.5169
8 h after dark	40.6095	38.5646	42.6544
12 h after dark	45.57	45.0783	46.0617