condition	mean	min	max
4 h after light	13.49765	11.4614	15.5339
8 h after light	12.50785	11.6175	13.3982
12 h after light	18.09325	14.1154	22.0711
4 h after dark	26.01325	24.8121	27.2144
8 h after dark	21.74825	20.1912	23.3053
12 h after dark	19.900750000000002	19.7468	20.0547