condition	mean	min	max
4 h after light	9432.851665666667	8293.415	11151.84333
8 h after light	16450.368889999998	14231.89667	18665.53
12 h after light	23132.494443333333	20646.48667	27623.53333
1.5 h after dark	16125.302223333334	12724.67667	19167.92
5.5 h after dark	11440.83222	10403.07333	13119.21
9.5 h after dark	8029.7733333333335	7232.68	9511.886667