condition mean min max 4 h after light 112.1652905 98.611379 125.719202 8 h after light 161.02325 137.045212 185.001288 12 h after light 213.999848 173.730288 254.269408 4 h after dark 376.21898999999996 202.825481 549.612499 8 h after dark 363.9412595 168.07488 559.807639 12 h after dark 218.10805 218.10805 218.10805