condition mean min max 4 h after light 155.903566 139.514275 172.292857 8 h after light 181.4697455 166.402543 196.536948 12 h after light 209.13082050000003 143.568046 274.693595 4 h after dark 166.05069650000002 129.924364 202.177029 8 h after dark 125.6967445 107.779895 143.613594 12 h after dark 125.713232 125.713232 125.713232