condition mean min max 4 h after light 103.009 102.423 103.595 8 h after light 47.8834 47.2931 48.4737 12 h after light 71.1995 69.5914 72.8076 4 h after dark 93.92195000000001 87.9517 99.8922 8 h after dark 99.42445000000001 97.7039 101.145 12 h after dark 115.363 111.027 119.699