condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.054998 0.0 0.109996 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 2 h after dark 0.122904 0.0 0.245808 4 h after dark 0.0547625 0.0 0.109525 8 h after dark 0.0617505 0.0 0.123501 12 h after dark 0.056361 0.0 0.112722