condition mean min max 4 h after light 186.512889 126.985227 246.040551 8 h after light 247.0924865 226.722147 267.462826 12 h after light 214.63644699999998 211.697725 217.575169 4 h after dark 184.48576300000002 162.035898 206.935628 8 h after dark 147.818374 120.862658 174.77409 12 h after dark 181.698557 181.698557 181.698557