condition	mean	min	max
0 h after light	22.68005	22.4939	22.8662
4 h after light	18.495600000000003	16.0361	20.9551
8 h after light	11.90045	11.5575	12.2434
4 h after dark	18.13725	15.3566	20.9179
8 h after dark	18.14995	17.7761	18.5238
12 h after dark	17.63355	16.0425	19.2246