condition	mean	min	max
4 h after light	37.227785	36.792117	37.663453
8 h after light	41.849107000000004	39.010393	44.687821
12 h after light	41.5753705	38.896649	44.254092
4 h after dark	39.0167345	38.082228	39.951241
8 h after dark	35.0028225	30.562236	39.443409
12 h after dark	37.811845	37.811845	37.811845