condition	mean	min	max
4 h after light	36.5581	34.6968	38.4194
8 h after light	18.93645	17.2102	20.6627
12 h after light	17.31785	16.6854	17.9503
4 h after dark	18.8373	17.7507	19.7536
8 h after dark	26.429833333333335	24.8115	29.2422
12 h after dark	29.923466666666666	27.1119	32.0102