condition mean min max 4 h after light 6103.025000000001 5049.885 7322.3240000000005 8 h after light 4243.260666666667 2853.37 5031.41 12 h after light 1990.1743333333334 1657.585 2559.67 16 h after light 2763.668666666667 2121.634 3879.782 4 h after dark 3048.4576666666667 2699.363 3537.425 8 h after dark 2902.9779999999996 2592.397 3196.7659999999996