condition	mean	min	max
4 h after light	8.24586	7.97823	8.51349
8 h after light	16.313499999999998	12.3173	20.3097
12 h after light	25.45825	18.6238	32.2927
4 h after dark	48.9919	43.9875	53.9963
8 h after dark	26.416600000000003	23.5742	29.259
12 h after dark	18.0977	16.1452	20.0502