condition mean min max 4 h after light 2207.541 1872.9070000000002 2460.614 8 h after light 1441.3226666666667 1321.023 1614.4460000000001 12 h after light 1217.8993333333333 1083.078 1377.49 16 h after light 2521.2780000000002 2254.425 2780.303 4 h after dark 1989.285 1818.1889999999999 2192.661 8 h after dark 1573.9136666666668 1326.808 1782.3120000000001