condition	mean	min	max
4 h after light	30.099600000000002	29.8917	30.3075
8 h after light	24.00855	23.4975	24.5196
12 h after light	11.66695	11.2679	12.066
4 h after dark	9.384599999999999	8.3098	10.4594
8 h after dark	10.106555	9.61381	10.5993
12 h after dark	21.216	19.0484	23.3836