condition	mean	min	max
0 h after light	21.1452	18.9287	23.3617
4 h after light	1.81658	1.54295	2.09021
8 h after light	4.625675	4.00779	5.24356
4 h after dark	5.5186150000000005	2.97446	8.06277
8 h after dark	1.9432049999999998	1.05277	2.83364
12 h after dark	4.510425	2.36691	6.65394