condition mean min max 4 h after light 258.9943945 115.62877 402.360019 8 h after light 341.9698425 322.475089 361.464596 12 h after light 297.49141099999997 245.750765 349.232057 4 h after dark 219.38077099999998 195.142216 243.619326 8 h after dark 166.9139295 158.429293 175.398566 12 h after dark 68.121308 68.121308 68.121308