condition mean min max 4 h after light 0.004291655 0.0 0.00858331 8 h after light 0.0 0.0 0.0 12 h after light 0.01387955 0.0 0.0277591 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0