condition mean min max 4 h after light 243.848942 165.116672 322.581212 8 h after light 419.058564 380.377452 457.739676 12 h after light 395.69581300000004 330.682921 460.708705 4 h after dark 940.742706 556.968219 1324.517193 8 h after dark 983.612764 507.019004 1460.206524 12 h after dark 860.233995 860.233995 860.233995