condition mean min max 4 h after light 341.8927575 304.924364 378.861151 8 h after light 395.989082 390.457749 401.520415 12 h after light 321.745293 307.586733 335.903853 4 h after dark 339.8385105 300.243542 379.433479 8 h after dark 267.7468145 248.569265 286.924364 12 h after dark 174.490581 174.490581 174.490581