condition	mean	min	max
4 h after light	15.679200000000002	13.5572	17.8012
8 h after light	31.973599999999998	31.6741	32.2731
12 h after light	35.73395	32.8084	38.6595
4 h after dark	26.3566	25.7745	26.9387
8 h after dark	19.11175	18.8181	19.4054
12 h after dark	19.6326	19.4704	19.7948