condition	mean	min	max
2 h after light	18.1615	13.5974	22.0316
6 h after light	15.979916666666666	13.1008	20.9222
10 h after light	14.17535	11.1189	17.8157
14 h after light	15.52495	12.2704	19.3492
18 h after light	17.52985	12.8369	22.4078
2 h after dark	20.030183333333333	17.3037	23.2387