condition	mean	min	max
4 h after light	19.015349999999998	18.4345	19.5962
8 h after light	21.5916	18.9408	24.2424
12 h after light	18.62855	16.3468	20.9103
4 h after dark	26.333466666666666	21.5689	29.2181
8 h after dark	24.165466666666667	19.2539	26.8869
12 h after dark	22.119	17.5932	26.7438