condition	mean	min	max
4 h after light	20.6711305	18.628491	22.71377
8 h after light	15.9623965	15.92791	15.996883
12 h after light	62.8126065	34.710651	90.914562
4 h after dark	21.2270605	20.14464	22.309481
8 h after dark	138.247404	56.281347	220.213461
12 h after dark	22.499225	22.499225	22.499225