condition mean min max 4 h after light 10.006053333333332 9.968589999999999 10.06974 8 h after light 10.28787 10.15098 10.52411 12 h after light 10.359016666666667 10.2452 10.572000000000001 4 h after dark 10.453066666666667 10.23369 10.60792 8 h after dark 10.504356666666666 10.38504 10.72606 12 h after dark 10.517290000000001 10.329130000000001 10.65912