condition	mean	min	max
4 h after light	22.954205	19.634816	26.273594
8 h after light	22.194628	20.45813	23.931126
12 h after light	17.8729235	14.865843	20.880004
4 h after dark	16.9870935	15.132283	18.841904
8 h after dark	14.366400500000001	13.504568	15.228233
12 h after dark	19.869468	19.869468	19.869468