condition	mean	min	max
4 h after light	17026.596113333333	13486.34667	22657.55667
8 h after light	14391.584443333333	8942.29	22855.50333
12 h after light	18079.303333333333	11041.01	26941.53
1.5 h after dark	21005.681113333332	16834.65	23712.56667
5.5 h after dark	16282.135553333334	15730.86	16731.77333
9.5 h after dark	28771.097776666666	18243.16333	42923.17667