condition mean min max 4 h after light 1957.404 1802.9170000000001 2085.465 8 h after light 2594.9429999999998 2257.116 2887.075 12 h after light 1460.0076666666666 1083.6680000000001 1985.3270000000002 16 h after light 2488.614333333333 1936.088 3358.74 4 h after dark 1586.7533333333333 1460.945 1672.406 8 h after dark 1312.5386666666666 1046.695 1568.1979999999999