condition mean min max 4 h after light 491.85879150000005 329.232057 654.485526 8 h after light 295.317297 266.402537 324.232057 12 h after light 286.3356305 278.777349 293.893912 4 h after dark 659.1399325 406.6492 911.630665 8 h after dark 940.137474 854.166929 1026.108019 12 h after dark 625.47002 625.47002 625.47002