condition	mean	min	max
4 h after light	30.911033333333332	26.1015	37.387
8 h after light	27.25868	7.02594	46.7971
12 h after light	31.7776	21.1459	39.0169
4 h after dark	41.83333333333333	35.6656	45.2326
8 h after dark	43.3095	32.3121	48.9896
12 h after dark	45.2145	41.143	47.4434