condition mean min max 4 h after light 509.50800499999997 348.001538 671.014472 8 h after light 343.6721635 313.30898 374.035347 12 h after light 240.41884399999998 213.424046 267.413642 4 h after dark 495.75841049999997 200.357315 791.159506 8 h after dark 375.52655649999997 365.282595 385.770518 12 h after dark 706.009307 706.009307 706.009307