condition mean min max 3 h after light 2.2451035 0.705932 4.28617 7 h after light 1.6387540833333334 0.57679 4.15229 11 h after light 1.2913228333333333 0.339745 2.57338 2 h after dark 1.82999775 0.26414 3.72644 6 h after dark 2.1076289166666666 0.740074 4.59996 10 h after dark 2.4223175833333332 0.936831 4.60046