condition mean min max 4 h after light 537.6411111 442.89 616.8733333 8 h after light 502.9522222 475.05 523.3633333 12 h after light 286.8377778 274.3966667 310.86 1.5 h after dark 249.03222223333333 218.3466667 271.1766667 5.5 h after dark 307.07888890000004 296.17 318.6 9.5 h after dark 417.4611111 328.2433333 475.5033333