condition	mean	min	max
4 h after light	5.78641	2.44491	9.12791
8 h after light	8.425325	7.18621	9.66444
12 h after light	12.11235	10.2753	13.9494
4 h after dark	16.210633333333334	11.7931	22.5271
8 h after dark	12.86011	9.34963	18.8241
12 h after dark	16.074866666666665	14.6337	18.6359