condition mean min max 4 h after light 506.7198333333333 439.2669 576.4404 8 h after light 784.1868000000001 590.4182 1090.045 12 h after light 522.9717666666667 490.4047 583.766 16 h after light 486.6904333333333 363.5764 554.7124 4 h after dark 579.4783 503.7132 662.8123 8 h after dark 438.4695 259.7515 551.0027