condition	mean	min	max
0 h after light	7.5534300000000005	6.57842	8.52844
4 h after light	19.61475	18.5316	20.6979
8 h after light	12.743649999999999	11.2264	14.2609
4 h after dark	10.903705	9.21621	12.5912
8 h after dark	9.38265	7.9081	10.8572
12 h after dark	8.765139999999999	6.47298	11.0573