condition mean min max 4 h after light 4.090295 3.85951 4.32108 8 h after light 5.1491050000000005 4.76064 5.53757 12 h after light 4.078515 3.8382 4.31883 4 h after dark 3.3569033333333334 3.01567 3.80866 8 h after dark 3.585183333333333 3.45716 3.65268 12 h after dark 3.0116 2.53491 3.75041