condition mean min max 4 h after light 6784.3369999999995 6688.605 6952.036999999999 8 h after light 4341.1883333333335 3401.619 5308.222 12 h after light 3398.4713333333334 2801.781 4241.325 16 h after light 6307.3910000000005 5456.378000000001 7644.22 4 h after dark 6690.431 6250.85 7055.366 8 h after dark 4724.219 3324.2459999999996 6078.092