condition mean min max 0 h after light 4.094195 3.97183 4.21656 2 h after light 6.6046949999999995 4.98757 8.22182 4 h after light 6.39506 5.90457 6.88555 8 h after light 8.185880000000001 6.99844 9.37332 12 h after light 15.30995 13.6879 16.932 2 h after dark 16.93345 14.6509 19.216 4 h after dark 11.516749999999998 10.5659 12.4676 8 h after dark 7.992929999999999 7.43213 8.55373 12 h after dark 4.988415 4.17946 5.79737