condition mean min max 4 h after light 263.7904285 237.656493 289.924364 8 h after light 347.92650249999997 290.246135 405.60687 12 h after light 247.428379 150.057409 344.799349 4 h after dark 267.752167 233.232057 302.272277 8 h after dark 306.4243645 295.693595 317.155134 12 h after dark 147.12328 147.12328 147.12328