condition mean min max 4 h after light 67.0606965 51.7482 82.373193 8 h after light 59.5947245 55.976404 63.213045 12 h after light 106.33507650000001 78.207327 134.462826 4 h after dark 82.7706855 79.408531 86.13284 8 h after dark 108.9307175 104.453112 113.408323 12 h after dark 61.960993 61.960993 61.960993