Table 2. Drought intensity-duration-frequency relations for stations near Ojos Negros valley.
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No. | Station | Latitude | Longitude | Altitude (m) | No. of years | Pma (mm) | No. of events | Average intensity | Average duration (yr) | Average frequency (yr) |
1 | Agua Caliente | 32o 06' 54" | 116o 23' 45" | 410 | 34 | 285 | 9 | 0.78 | 2.44 | 3.78 |
3 | Belen | 32o 11' 43" | 116o 29' 08" | 555 | 35 | 347 | 9 | 0.82 | 2.22 | 3.89 |
3 | Boquilla de Santa Rosa | 32o 01' 42" | 116o 45' 16" | 50 | 39 | 272 | 9 | 0.92 | 3.00 | 4.33 |
4 | El Pinal | 32o 11' 00" | 116o 17' 30" | 1350 | 29 | 517 | 6 | 0.79 | 3.00 | 4.83 |
5 | Ensenada | 31o 53' 45" | 116o 35' 47" | 50 | 72 | 268 | 19 | 0.70 | 2.21 | 3.79 |
6 | Ojos Negros | 31o 54' 42" | 116o 15' 53" | 712 | 46 | 243 | 13 | 1.23 | 2.00 | 3.54 |
7 | Olivares Mexicanos | 32o 02' 57" | 116o 36' 51" | 351 | 52 | 310 | 14 | 0.74 | 2.14 | 3.71 |
8 | San Carlos | 31o 47' 03" | 116o 27' 00" | 170
| 39 | 331 | 10 | 0.82 | 2.40 | 3.90 |
9 | San Juan de Dios Norte | 31o 59' 30" | 116o 09' 54" | 1280 | 27 | 396 | 6 | 0.84 | 3.00 | 4.50 |
10 | Valle de San Rafael | 31o 55' 06" | 116o 14' 13" | 230 | 21 | 289 | 6 | 0.61 | 2.17 | 3.50 |
- | Average | - | - | - | 40 | 326 | 10 | 0.83 | 2.46 | 3.96 |
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