condition mean min max 4 h after light 1.495e-09 0.0 2.99e-09 8 h after light 3.1414500000000002e-06 2.29e-08 6.26e-06 12 h after light 0.32174664 4.28e-06 0.643489 4 h after dark 1.3740366666666666e-05 0.0 4.12e-05 8 h after dark 7.466666666666667e-07 0.0 2.24e-06 12 h after dark 0.147119 0.0 0.417709