condition mean min max 4 h after light 337.4705 327.824 347.117 8 h after light 420.135 416.425 423.845 12 h after light 303.66999999999996 303.003 304.337 4 h after dark 465.0335 436.699 493.368 8 h after dark 356.42150000000004 348.014 364.829 12 h after dark 388.6075 388.285 388.93