condition	mean	min	max
2 h after light	21.28415	17.1171	27.6036
6 h after light	13.196033333333332	10.2333	16.3445
10 h after light	16.064995	8.85957	19.8543
14 h after light	17.420683333333333	12.9198	26.0422
18 h after light	18.4925	11.9448	27.0897
2 h after dark	13.379906666666667	9.96084	15.0265