condition	mean	min	max
0 h after light	21.4938	20.6311	22.3565
4 h after light	10.554875	9.66385	11.4459
8 h after light	7.4103449999999995	6.97326	7.84743
4 h after dark	10.027655	8.54481	11.5105
8 h after dark	12.95715	11.9223	13.992
12 h after dark	20.3189	17.3215	23.3163