condition	mean	min	max
4 h after light	15.502400000000002	13.0159	17.9889
8 h after light	44.4674	43.5378	45.397
12 h after light	60.484100000000005	54.8293	66.1389
4 h after dark	32.7449	30.8338	34.656
8 h after dark	50.3127	48.8867	51.7387
12 h after dark	14.47615	14.1226	14.8297