condition mean min max 4 h after light 11.941537499999999 11.224198 12.658877 8 h after light 26.352949 23.887327 28.818571 12 h after light 45.002695 35.553023 54.452367 4 h after dark 63.3952285 61.331136 65.459321 8 h after dark 114.663402 39.94207 189.384734 12 h after dark 13.549961 13.549961 13.549961