condition mean min max 4 h after light 2498.6655075 2388.868189 2608.462826 8 h after light 2997.935732 2913.067724 3082.80374 12 h after light 2977.9578325 2771.889326 3184.026339 4 h after dark 2778.983119 2713.353894 2844.612344 8 h after dark 2548.2992185000003 2456.278158 2640.320279 12 h after dark 2165.041791 2165.041791 2165.041791