condition mean min max 4 h after light 3254.955 2181.467 4621.596 8 h after light 3712.7933333333335 2030.318 7045.225 12 h after light 3042.299 1041.9360000000001 4154.407999999999 16 h after light 5827.514 2767.6079999999997 11541.92 4 h after dark 1282.8799999999999 928.967 1896.289 8 h after dark 1574.5888 674.0134 2494.826