condition mean min max 4 h after light 662.1871739999999 468.846551 855.527797 8 h after light 754.281905 695.550065 813.013745 12 h after light 720.5761219999999 608.292199 832.860045 4 h after dark 626.070188 467.189021 784.951355 8 h after dark 526.164959 449.364194 602.965724 12 h after dark 449.587077 449.587077 449.587077