condition mean min max 4 h after light 1.1982335 0.738127 1.65834 8 h after light 1.8048899999999999 1.63578 1.974 12 h after light 1.2368350000000001 1.13599 1.33768 4 h after dark 1.20264 0.8245 1.40307 8 h after dark 0.8991023333333333 0.582552 1.21111 12 h after dark 1.05629 0.929596 1.2509