condition mean min max 4 h after light 648.6423 519.0483 814.0374 8 h after light 9703.407333333333 6530.081999999999 11694.95 12 h after light 12940.426666666666 11015.88 15801.75 16 h after light 3853.062 2954.321 4933.101 4 h after dark 609.8371666666667 562.136 660.7218 8 h after dark 179.7495 123.9351 216.0536