condition mean min max 4 h after light 0.81841 0.0 1.63682 8 h after light 2.345e-06 0.0 4.69e-06 12 h after light 1.67158 0.0 3.34316 4 h after dark 1.28802 0.0 1.98419 8 h after dark 1.7299033333333333 0.0 3.13039 12 h after dark 0.64147 0.0 1.92441