condition mean min max 4 h after light 0.8995695 0.716299 1.08284 8 h after light 0.7493749999999999 0.584876 0.913874 12 h after light 2.04026 1.3423 2.73822 4 h after dark 1.778765 1.37231 2.18522 8 h after dark 0.9079675 0.782195 1.03374 12 h after dark 0.8996605 0.718731 1.08059