condition mean min max 0 h after light 17.41285 15.2527 19.573 2 h after light 4.61908 4.33665 4.90151 4 h after light 4.121345 3.9003 4.34239 8 h after light 5.6964749999999995 5.64767 5.74528 12 h after light 4.77079 4.34781 5.19377 2 h after dark 4.985555 4.58948 5.38163 4 h after dark 7.728445 7.18826 8.26863 8 h after dark 16.9177 16.2446 17.5908 12 h after dark 17.41575 16.7337 18.0978