condition mean min max 4 h after light 0.02764495 0.0 0.0552899 8 h after light 0.0 0.0 0.0 12 h after light 0.008297765 0.00164933 0.0149462 4 h after dark 0.0 0.0 0.0 8 h after dark 0.005170266666666667 0.0 0.0155108 12 h after dark 0.023098933333333332 0.0 0.0404415