condition mean min max 4 h after light 595.6556 574.6438 609.6369 8 h after light 431.0482333333333 256.001 655.7776 12 h after light 545.5295 422.106 749.7411 16 h after light 634.5699 548.7306 802.3729 4 h after dark 994.2335 933.9288 1067.4160000000002 8 h after dark 620.1717666666667 496.6071 755.6375