condition mean min max 4 h after light 172.78068050000002 170.613746 174.947615 8 h after light 188.2677455 181.385167 195.150324 12 h after light 242.105728 217.358219 266.853237 4 h after dark 337.505567 283.971573 391.039561 8 h after dark 283.8928975 260.693595 307.0922 12 h after dark 243.616672 243.616672 243.616672