condition	mean	min	max
0 h after light	8.151909999999999	7.73502	8.5688
4 h after light	12.594484999999999	8.79567	16.3933
8 h after light	10.51798	9.54026	11.4957
4 h after dark	41.90615	33.7297	50.0826
8 h after dark	26.98605	22.5858	31.3863
12 h after dark	18.8487	14.6253	23.0721