condition mean min max 4 h after light 4203.803333333333 3559.7790000000005 4747.587 8 h after light 2897.773 2536.394 3249.0890000000004 12 h after light 3182.978 2902.448 3569.415 16 h after light 6939.8386666666665 6117.573 7743.354 4 h after dark 6903.421333333334 5975.62 7446.471 8 h after dark 3639.55 2481.882 5111.919