condition	mean	min	max
2 h after light	23.5358	19.4012	28.7126
6 h after light	17.821583333333333	14.2623	21.1959
10 h after light	16.83529	6.95874	22.9203
14 h after light	19.782433333333334	15.0384	24.6254
18 h after light	21.999533333333332	12.5748	32.2577
2 h after dark	24.413	20.6063	29.9436