condition	mean	min	max
4 h after light	9.710474999999999	9.37805	10.0429
8 h after light	20.304949999999998	18.6489	21.961
12 h after light	14.03065	13.7494	14.3119
4 h after dark	9.65269	8.62204	10.4123
8 h after dark	3.8800933333333334	2.87433	5.25666
12 h after dark	6.761033333333334	5.81876	7.29696