condition	mean	min	max
0 h after light	7.832815	7.77291	7.89272
4 h after light	5.58731	5.38777	5.78685
8 h after light	3.1459200000000003	2.36832	3.92352
4 h after dark	5.121145	2.97182	7.27047
8 h after dark	18.4292	17.2253	19.6331
12 h after dark	11.081455	7.23441	14.9285