condition mean min max 4 h after light 7919.730666666666 7766.318 8080.052 8 h after light 11820.16 11166.15 12781.25 12 h after light 7662.733 5756.145 10561.78 16 h after light 11605.727666666668 9830.343 13534.99 4 h after dark 8521.367 8270.093 8723.815999999999 8 h after dark 5507.349666666666 3857.862 6657.795999999999