condition mean min max 4 h after light 170.2215 164.198 176.245 8 h after light 144.367 137.914 150.82 12 h after light 146.175 142.001 150.349 4 h after dark 198.83499999999998 192.255 205.415 8 h after dark 216.065 208.581 223.549 12 h after dark 193.368 188.438 198.298