condition mean min max 4 h after light 2.837400666666667 2.721149 2.959229 8 h after light 2.060232 1.528861 2.43586 12 h after light 1.4011833333333332 1.337341 1.48939 16 h after light 2.879057 2.499293 3.3908410000000004 4 h after dark 2.3856543333333335 2.2041150000000003 2.748488 8 h after dark 1.561931 1.514468 1.59008