condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.021307033333333333 0.0 0.0639211 12 h after light 0.0424393 0.0 0.0659514 4 h after dark 0.1626313 0.0768979 0.273967 8 h after dark 0.228057 0.128532 0.327504 12 h after dark 0.16432513333333335 0.0 0.406563