condition mean min max 4 h after light 176.3469205 167.829247 184.864594 8 h after light 161.89952549999998 150.15139 173.647661 12 h after light 194.54022650000002 164.463781 224.616672 4 h after dark 187.10485 182.155134 192.054566 8 h after dark 209.5123875 197.372234 221.652541 12 h after dark 260.141124 260.141124 260.141124