| THI | K | ICL | Level | ||||
| Range | Human Sense | Range | Human Sense | Range | Dressing | Level | Assignment |
| <40 | Extremely Cold | ≤−1000 | Extremely Cold and Windy | >2.5 | Woolen Sweater | e | 1 |
| 40 - 45 | Cold | −1000 - −800 | Cold and Windy | 1.8 - 2.5 | Thick Outwear | d | 3 |
| 45 - 55 | Slightly Cold | −800 - −600 | Slightly Cold and Windy | 1.5 - 1.8 | Common Winter Dress | c | 5 |
| 55 - 60 | Cool | −600 - −300 | Cool and Windy | 1.3 - 1.5 | Winter Jacket or Bunting | b | 7 |
| 60 - 65 | Pleasantly Cool | −300 - −200 | Comfortable and windy | 0.7 - 1.3 | Casual Shirt | A | 9 |
| 65 - 70 | Warm | −200 - −50 | Warm and Windy | 0.5 - 0.7 | Summer Wear | B | 7 |
| 70 - 75 | Slightly Hot | −50 - 80 | Slightly Hot and Windy | 0.3 - 0.5 | Short-sleeved Cardigan | C | 5 |
| 75 - 80 | Muggy | 80 - 160 | Hot and Windy | 0.1 - 0.3 | Frivolous and Breathable Dress | D | 3 |
| >80 | Extremely Muggy | ≥160 | Extremely Hot and Windy | <0.1 | Mini-skirt or Walking Shorts | E | 1 |