condition mean min max 4 h after light 750.3733205000001 656.099732 844.646909 8 h after light 569.9246765 491.308656 648.540697 12 h after light 598.823452 460.715965 736.930939 4 h after dark 919.8851355 556.615137 1283.155134 8 h after dark 876.5617689999999 565.942852 1187.180686 12 h after dark 1349.091971 1349.091971 1349.091971