condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.057577666666666666 0.0 0.172733 12 h after light 0.07568566666666666 0.0 0.227057 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