condition mean min max 0 h after light 5.851845 5.75871 5.94498 4 h after light 3.5141099999999996 2.90359 4.12463 8 h after light 5.74871 4.6805 6.81692 4 h after dark 8.566565 7.85472 9.27841 8 h after dark 8.34915 8.14223 8.55607 12 h after dark 4.284225 4.1047 4.46375