condition mean min max 4 h after light 3.6232773333333337 3.406718 3.7854980000000005 8 h after light 4.094120333333334 1.614231 6.6316429999999995 12 h after light 4.807265 1.509462 8.003971 16 h after light 14.372703999999999 4.089792 24.89699 4 h after dark 19.605206666666668 18.33541 20.83185 8 h after dark 5.339939 1.6628150000000002 9.943769