condition	mean	min	max
4 h after light	20.68326666666667	15.2498	25.1022
8 h after light	29.340690000000002	9.42557	50.3554
12 h after light	34.254	22.296	49.7721
4 h after dark	41.4989	30.6586	47.0037
8 h after dark	30.467299999999998	22.1293	35.2778
12 h after dark	20.851433333333333	19.4095	21.7181