condition mean min max 0 h after light 9.70094 8.58668 10.8152 2 h after light 5.61728 5.16116 6.0734 4 h after light 5.316985 5.05016 5.58381 8 h after light 5.84027 5.1433 6.53724 12 h after light 6.60968 6.55429 6.66507 2 h after dark 8.38948 7.49683 9.28213 4 h after dark 9.60028 8.66556 10.535 8 h after dark 13.50455 13.0384 13.9707 12 h after dark 13.166799999999999 10.9073 15.4263