condition mean min max 4 h after light 468.3815995 316.990208 619.772991 8 h after light 407.8109095 390.029548 425.592271 12 h after light 505.3886585 368.048088 642.729229 4 h after dark 788.384403 525.322449 1051.446357 8 h after dark 848.7718004999999 580.923386 1116.620215 12 h after dark 1060.881953 1060.881953 1060.881953