condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.07851813333333334 0.0 0.163296 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.033095933333333334 0.0 0.0992878 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0327406 0.0 0.0982218