condition mean min max 4 h after light 28.5506 27.1119 29.9893 8 h after light 27.6117 26.8669 28.3565 12 h after light 24.055799999999998 22.6935 25.4181 4 h after dark 18.3423 17.7463 18.9383 8 h after dark 23.847749999999998 23.7654 23.9301 12 h after dark 25.814349999999997 25.7806 25.8481