condition mean min max 0 h after light 74.8306 74.2464 75.4148 4 h after light 80.1802 77.0485 83.3119 8 h after light 60.02815 57.2681 62.7882 4 h after dark 73.1275 58.9596 87.2954 8 h after dark 101.7124 94.8358 108.589 12 h after dark 75.7394 70.1436 81.3352