condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.1036005 0.0 0.340007 10 h after light 0.115546 0.0 0.279905 14 h after light 0.1283395 0.0 0.438755 18 h after light 0.08857316666666668 0.0 0.408152 2 h after dark 0.134049 0.0 0.421685