condition mean min max 0 h after light 2.35511 1.84013 2.87009 4 h after light 4.199590000000001 4.18803 4.21115 8 h after light 3.455015 3.38903 3.521 4 h after dark 3.16284 2.94313 3.38255 8 h after dark 3.9194050000000002 3.39202 4.44679 12 h after dark 1.978895 1.49044 2.46735