condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.1316595 0.0 0.789957 10 h after light 0.4798961666666666 0.0 1.34787 14 h after light 0.14675683333333334 0.0 0.880541 18 h after light 0.2694391666666667 0.0 0.907464 2 h after dark 0.143156 0.0 0.858936