condition mean min max 3 h after light 0.018245533333333334 0.0 0.0547366 6 h after light 0.0 0.0 0.0 9 h after light 0.0148234 0.0 0.0444702 12 h after light 0.01149535 0.0 0.0459814 3 h after dark 0.037577 0.0 0.112731 6 h after dark 0.0 0.0 0.0 9 h after dark 0.013802333333333333 0.0 0.041407 12 h after dark 0.0279091 0.0 0.0558182