condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.04114233333333333 0.0 0.123427 12 h after light 0.041509 0.0 0.124527 4 h after dark 0.0 0.0 0.0 8 h after dark 0.013505666666666666 0.0 0.040517 12 h after dark 0.016001033333333334 0.0 0.0480031