condition mean min max 0 h after light 0.0319541 0.0 0.0639082 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.134391 0.0 0.268782 12 h after light 0.03209325 0.0 0.0641865 2 h after dark 0.03576715 0.0 0.0715343 4 h after dark 0.0630503 0.0614241 0.0646765 8 h after dark 0.03466 0.0 0.06932 12 h after dark 0.0 0.0 0.0