condition mean min max 4 h after light 349.7240435 280.063861 419.384226 8 h after light 588.557098 455.908101 721.206095 12 h after light 637.106398 459.323287 814.889509 4 h after dark 560.4709395 485.479053 635.462826 8 h after dark 496.00201949999996 459.323287 532.680752 12 h after dark 248.542199 248.542199 248.542199