condition	mean	min	max
4 h after light	18.560494499999997	17.556486	19.564503
8 h after light	19.014467	18.111998	19.916936
12 h after light	20.6571	20.106957	21.207243
4 h after dark	19.938996000000003	19.151579	20.726413
8 h after dark	23.779906	22.892819	24.666993
12 h after dark	16.049637	16.049637	16.049637