condition mean min max 4 h after light 4.93452 4.16196 5.70708 8 h after light 4.970364999999999 4.60124 5.33949 12 h after light 5.452365 4.45323 6.4515 4 h after dark 8.0393 6.7255 9.12756 8 h after dark 7.769023333333334 7.26883 8.58055 12 h after dark 5.304666666666667 4.24608 6.09794