condition mean min max 4 h after light 22.117 14.8937 29.3403 8 h after light 37.68625 37.1347 38.2378 12 h after light 31.20755 30.2744 32.1407 4 h after dark 58.93783333333333 55.4552 61.6183 8 h after dark 38.5397 32.9166 41.7941 12 h after dark 22.354033333333334 20.9462 24.664