| CM | Coccidioidomycosis |
| ST | Skin test |
| coccidioidin-ST+ | Coccidioidin-positive skin test |
| OR | Odds ratio |
| CI | Confidence interval |
| SD | Standard deviation |
| °C | Degrees Celsius |
| mm | Millimeters |
| m | Meters |
| ENSO | El Niño–Southern Oscillation |
| BSks | Cold semi-arid climate (Köppen–Geiger classification) |