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 0.07673403333333333 0.0 0.135573 4 h after dark 0.118579 0.0 0.355737 8 h after dark 0.15853783333333332 0.0 0.396402 12 h after dark 0.0 0.0 0.0