condition	mean	min	max
4 h after light	17.83345	15.8669	19.8
8 h after light	40.941900000000004	39.8855	41.9983
12 h after light	53.13475	48.4181	57.8514
4 h after dark	38.9768	37.2791	41.2722
8 h after dark	37.34063333333334	35.281	38.7965
12 h after dark	28.192966666666667	27.1365	29.0857