condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.032062233333333336 0.0 0.0607451 8 h after dark 0.024513499999999997 0.0 0.0420481 12 h after dark 0.0 0.0 0.0