condition mean min max 4 h after light 71.752261 66.318884 77.185638 8 h after light 54.5294805 50.526919 58.532042 12 h after light 49.423567500000004 37.439076 61.408059 4 h after dark 25.064317000000003 24.654371 25.474263 8 h after dark 32.145084 23.538398 40.75177 12 h after dark 76.640341 76.640341 76.640341