condition mean min max 3 h after light 387.1333333333333 354.378 450.337 6 h after light 315.976 295.397 347.168 9 h after light 236.00633333333334 223.91 250.19 12 h after light 289.41499999999996 163.993 496.013 3 h after dark 517.0023333333334 440.325 639.371 6 h after dark 511.199 409.237 622.94 9 h after dark 486.612 388.54 571.285 12 h after dark 449.903 423.786 476.02