condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.029546133333333335 0.0 0.0886384 9 h after light 0.045935500000000004 0.0 0.0855819 12 h after light 0.0 0.0 0.0 3 h after dark 0.022741133333333333 0.0 0.0682234 6 h after dark 0.0336315 0.0 0.0540394 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0