condition	mean	min	max
4 h after light	18.128337	17.02773	19.228944
8 h after light	22.3634935	20.694437	24.03255
12 h after light	21.5190965	20.978564	22.059629
4 h after dark	24.229069	22.193177	26.264961
8 h after dark	25.734569999999998	21.45761	30.01153
12 h after dark	20.540518	20.540518	20.540518