condition	mean	min	max
4 h after light	23086.42773	22518.77052	23654.08494
8 h after light	22818.47617	22637.3688	22999.58354
12 h after light	23311.585455	22942.12078	23681.05013
4 h after dark	21962.036685	19692.33765	24231.73572
8 h after dark	20801.467195	17967.85794	23635.07645
12 h after dark	23496.88716	23496.88716	23496.88716