condition	mean	min	max
4 h after light	23.82295	21.3021	26.3438
8 h after light	29.28145	26.689	31.8739
12 h after light	33.85615	31.9124	35.7999
4 h after dark	37.7275	36.0368	40.1878
8 h after dark	36.5312	34.5147	40.1258
12 h after dark	26.676066666666667	25.6888	27.9394