condition mean min max 0 h after light 0.10454 0.0 0.20908 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.100287 0.0 0.200574 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.1053315 0.0 0.210663 12 h after dark 0.0 0.0 0.0