condition mean min max 0 h after light 1.3229549999999999 1.28838 1.35753 4 h after light 1.64026 1.23762 2.0429 8 h after light 2.0381 1.67281 2.40339 4 h after dark 7.5565299999999995 6.62224 8.49082 8 h after dark 3.71006 3.65916 3.76096 12 h after dark 1.93268 1.213 2.65236