condition mean min max 3 h after light 42.504733333333334 34.1234 48.1878 6 h after light 30.581133333333334 19.3528 37.3081 9 h after light 35.7381 28.5699 47.1626 12 h after light 52.8833 47.747 61.448 3 h after dark 70.85583333333334 64.9291 74.4784 6 h after dark 57.661433333333335 52.5406 67.0291 9 h after dark 40.8242 36.4296 49.2687 12 h after dark 34.96105 31.0485 38.8736