condition	mean	min	max
4 h after light	16.860500000000002	15.8093	17.9117
8 h after light	14.73585	13.6126	15.8591
12 h after light	20.6547	19.8083	21.5011
4 h after dark	29.6937	27.8584	31.0002
8 h after dark	31.278566666666666	28.6705	34.9229
12 h after dark	22.916833333333333	21.3918	24.6077