condition mean min max 4 h after light 73.43045 61.7485 85.1124 8 h after light 82.13380000000001 73.6376 90.63 12 h after light 67.65135000000001 64.1764 71.1263 4 h after dark 98.8065 98.6148 98.9095 8 h after dark 123.63066666666667 103.042 140.69 12 h after dark 81.397 73.6587 86.6862