condition	mean	min	max
4 h after light	17.853250000000003	14.425	21.2815
8 h after light	16.56955	15.6783	17.4608
12 h after light	21.377299999999998	18.7093	24.0453
4 h after dark	34.45686666666667	30.8684	37.5662
8 h after dark	32.38463333333333	30.4747	35.3267
12 h after dark	26.1209	24.0183	28.0803