condition mean min max 4 h after light 157.0497115 151.463828 162.635595 8 h after light 192.344496 188.995397 195.693595 12 h after light 242.2237205 194.4913 289.956141 4 h after dark 136.699294 81.912214 191.486374 8 h after dark 148.54108200000002 118.861605 178.220559 12 h after dark 86.222442 86.222442 86.222442