condition mean min max 3 h after light 0.0 0.0 0.0 7 h after light 0.068968 0.0 0.827616 11 h after light 0.006010325 0.0 0.0721239 2 h after dark 0.025184166666666664 0.0 0.30221 6 h after dark 0.029225583333333333 0.0 0.350707 10 h after dark 0.0 0.0 0.0