condition mean min max 4 h after light 777.144 485.125 998.359 8 h after light 366.23133333333334 190.02 462.092 12 h after light 304.98 209.317 485.368 4 h after dark 469.6193333333334 410.271 527.714 8 h after dark 648.292 497.326 758.138 12 h after dark 996.9813333333334 866.058 1218.2