condition	mean	min	max
4 h after light	17.89838	10.28154	22.08249
8 h after light	6.838493333333333	5.6725010000000005	8.080895
12 h after light	5.116415333333333	3.6509339999999995	6.673050999999999
16 h after light	11.180241666666667	6.695415	14.810329999999999
4 h after dark	12.367293333333334	10.46311	14.44865
8 h after dark	21.797133333333335	18.78655	23.346220000000002