condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.011484133333333334 0.0 0.0344524 12 h after dark 0.00222194 0.0 0.00666582