condition	mean	min	max
0 h after light	10.39773	9.54896	11.2465
4 h after light	7.8504000000000005	6.23409	9.46671
8 h after light	6.599475	6.30503	6.89392
4 h after dark	11.68205	11.4511	11.913
8 h after dark	10.779655	9.74011	11.8192
12 h after dark	8.87204	7.56358	10.1805