condition mean min max 4 h after light 9.955303 8.933253 10.977353 8 h after light 12.08988 10.857414 13.322346 12 h after light 10.368027 10.149175 10.586879 4 h after dark 10.2736545 9.616265 10.931044 8 h after dark 12.641276999999999 9.260806 16.021748 12 h after dark 9.92408 9.92408 9.92408