condition	mean	min	max
4 h after light	17.85875	17.5361	18.1814
8 h after light	15.880949999999999	15.4142	16.3477
12 h after light	17.114199999999997	16.9931	17.2353
4 h after dark	21.7578	19.9641	23.1512
8 h after dark	20.454533333333334	19.6525	21.9351
12 h after dark	23.001133333333332	22.2106	24.016