condition mean min max 4 h after light 100.0863875 99.445214 100.727561 8 h after light 154.66108450000002 145.155134 164.167035 12 h after light 319.9718775 233.891203 406.052552 4 h after dark 432.725827 302.829433 562.622221 8 h after dark 721.1268305 465.198195 977.055466 12 h after dark 278.680645 278.680645 278.680645