condition mean min max 0 h after light 0.04053715 0.0 0.0810743 2 h after light 0.0 0.0 0.0 4 h after light 0.16184900000000002 0.158943 0.164755 8 h after light 0.08356935 0.0834105 0.0837282 12 h after light 0.0 0.0 0.0 2 h after dark 0.17057540000000002 0.0907488 0.250402 4 h after dark 0.0404351 0.0 0.0808702 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0