| Main groups | Indicators | Drought of class limits and their score | ||||||
| Slight (1) | Moderate (2) | Severe (3) | Very severe (4) | |||||
| Meteorological Indicators | 1) Drought Hazard (Number of sequential years using WMO definition)* | 0 - 1 | 2 - 3 | 4 - 5 | ³6 | |||
| 2) Climate | Sub humid and humid | Mediterranean | Semi arid | Arid and Very arid | ||||
| 3) Annual rainfall, mm | ³500 | 250 - 499 | 100 - 249 | <100 | ||||
| 4) Climate Change (significant change in annual temperature trend during 100 years and significant change in climatic index trend)** | No change or <1C increase in temperature | between 1 - 4C increase in temperature | >4C increase in temperature or change in climatic index | >4C increase in temperature and change in climatic index | ||||
| 5) Coefficient variation (CV) of annual rainfall*** | <20 | 20 - 29 | 30 - 39 | ³40 | ||||
| 6) Ratio (the number of arid years in station using (SPI < −1) to the number of total years in station**** | <12 | 12 - 19.99 | 20 - 23.99 | ³24 | ||||
| 7) Ratio (the number of vernal arid years in station using (SPI < −1) to the number of total years in station) | <9.99 | 10 - 19.99 | 20 - 24.99 | ³25 | ||||
| Hydrological Indicators | 8) Over exploitation of plans***** | ³1 | 0.9 - 0.99 | 0.8 - 0.9 | <0.8 | |||
| 9) Hydrogeology of plains | Coarse or Medium to coarse-grained texture, very thick or thick alluvium, deep water table, excellent or good discharge | Relatively fine-grained texture, moderately thick alluvium, shallow water table, medium discharge | Fine-grained texture, thin alluvium, shallow water table, poor discharge | Fine to very fine-grained texture, very thin alluvium, shallow water table or no aquifer, very poor discharge | ||||
| 10) Stream density in each hydrogeological unit (km/km2)****** | <0.3 | 0.3 - 0.59 | 0.6 - 0.89 | ³0.9 | ||||
| 11) Annual average decrease of watertable in each plan (m/year) | <0.05 | 0.05 - 0.79 | 0.8 - 1.49 | ³1.5 | ||||
| Physical Indicators | 12) Derange condition of soil | Very good, Good | Suitable, moderate | poorly | unsuitable | |||
| 13) Slop (%) | <2 | 16.99 - 2 | 29.99 - 17 | <30 | ||||
| 14) Land use | Rock, Bare land | Forest, irrigation cultivation | Range land | Dry cultivation | ||||
| 15) Ratio (dry cultivation area to irrigation area) in each plan (%) | <0.3 | 0.3 - 0.599 | 0.6 - 0.9 | <0.9 | ||||
| 16) Water dependency per capita to irrigated area (cube meter per year per hectare) | ≤30,000 | 30,000 – 18,000 | 18,000 - 6000 | <6000 | ||||
| Socioeconomic Indicators | Poverty Indicator | 17) Income from agriculture (amount of $ per person per year) | ≤650 | 649.9 - 400 | 399.9 - 100 | <100 | ||
| 18) Illiteracy (%) | <7 | 19.9 - 7 | 19.9 - 34.9 | ≤35 | ||||
| 19) Unemployment (%) | <5 | 5 - 14.99 | 15 - 24.99 | ≤25 | ||||
| 20) Water dependency per capita to each person (cube meter per year per person) | ≤7000 | 7000 - 4000 | 4000 - 1000 | <1000 | ||||
| 21) Population Annual Growth Rate (%) | ≤1.49 | 1.5 - 2.49 | 2.5 - 3.49 | ≤3.5 | ||||