condition	mean	min	max
4 h after light	13.8090475	12.717799	14.900296
8 h after light	15.102719	14.212491	15.992947
12 h after light	13.490860000000001	12.888331	14.093389
4 h after dark	15.783983500000001	13.124923	18.443044
8 h after dark	14.4558155	12.95717	15.954461
12 h after dark	18.068708	18.068708	18.068708