condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 4.650309999999999 4.38561 4.91501 4 h after light 4.36974 4.29128 4.4482 8 h after light 9.04225 0.0 18.0845 12 h after light 6.895505 4.99723 8.79378 2 h after dark 4.50704 0.0 9.01408 4 h after dark 4.20766 0.0 8.41532 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0