condition mean min max 4 h after light 75.56127699999999 48.943579 102.178975 8 h after light 93.094313 56.995056 129.19357 12 h after light 63.729682999999994 43.726983 83.732383 4 h after dark 37.3102735 26.439683 48.180864 8 h after dark 31.5257985 27.863822 35.187775 12 h after dark 17.517802 17.517802 17.517802