condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.114398 0.0 0.343194 9 h after light 0.0 0.0 0.0 12 h after light 0.05993975 0.0 0.126883 3 h after dark 0.0 0.0 0.0 6 h after dark 0.066772 0.0 0.200316 9 h after dark 0.08499666666666666 0.0 0.25499 12 h after dark 0.0 0.0 0.0