condition mean min max 4 h after light 772.9162666666667 720.8866 831.2699 8 h after light 761.6105 433.8579 1089.382 12 h after light 543.7428 486.7923 576.7626 16 h after light 735.7627666666666 461.4054 1194.425 4 h after dark 921.2702 655.5546 1099.392 8 h after dark 697.8510666666666 609.0173 865.9928