condition mean min max 4 h after light 1.3591855000000002 0.870271 1.8481 8 h after light 1.26757 1.24355 1.29159 12 h after light 1.59715 1.54976 1.64454 4 h after dark 2.01533 1.48408 2.54658 8 h after dark 1.7510599999999998 1.58788 1.91424 12 h after dark 1.271735 1.26036 1.28311