condition	mean	min	max
3 h after light	7.7463475	3.73586	12.7669
7 h after light	14.5699675	8.47281	21.88
11 h after light	16.779658333333334	11.8418	21.0144
2 h after dark	14.615420833333333	9.1773	21.9539
6 h after dark	12.1514775	8.73371	15.8166
10 h after dark	10.952710833333333	7.40042	15.2507