condition mean min max 4 h after light 0.8947780000000001 0.630154 1.03238 8 h after light 1.8154553333333334 0.561726 2.52856 12 h after light 1.8482033333333334 1.52639 2.45127 4 h after dark 2.55184 2.05122 3.24101 8 h after dark 2.17979 1.20979 3.15266 12 h after dark 2.0096133333333333 1.61284 2.53829