| Site | Acronym | Sensor |
| Big Black Mountain | bm | BMR-WXT520 |
| Birch Hill | bi | BI-WXT536 |
| Boucher Hill | bh | BH-WXT520 |
| Buffalo Bump | buff | BUFF-WXT536 |
| Chino Hills | chino | chino-WXT536 |
| Coronado Hills | ch | CH-WXT536 |
| Cuyamaca Peak | cp | CP-WXT536 |
| Green Peak | dwpgm | GreenPeak-WXT536 |
| High Point | hp | HP-WXT536 |
| Lake Perris | perris | perris-WXT536 |
| Lake Wohlford Airport | wlfd | WLFD-WXT536 |
| Los Pinos | pi | PI-WXT536 |
| Lyons Peak | lp | LP-WXT536 |
| Mesa Grande | mg | MG-WXT520 |
| Mount Laguna | mp | ML-WXT520 |
| Mount Laguna Observatory | mlo | MLO-WXT536 |
| Mount Woodson | mw | MW-WXT520 |
| Otay Mountain | om | OM-WXT536 |
| Pala | pa | PA-WXT520 |
| Puerta La Cruz | plcc | PLC-WXT520 |
| Red Mountain (near Fallbrook) | rm | RM-WXT536 |
| Rincon Del Diablo | rdd | RDD-WXT536 |
| SMER North Station | smns | SMERNS-WXT520 |
| San Clemente | sclm | SCLM-WXT536 |
| San Clemente Island | sci | SCI-WXT520 |
| San Juan Hills | sjh | SJH-WXT536 |
| San Miguel | sm | SM-WXT536 |
| Santa Ynez Peak | syp | SYP-WXT520 |
| Santiago Peak | stgo | stgo-WXT536 |
| Signal Peak | signal | signal-WXT536 |
| Sky Oaks | so | SO-WXT520 |
| Sky Oaks Jolly Roger | sojr | sojr-WXT536 |
| Tijuana Estuary | the | TJE-WXT536 |
| Toro Peak | tp | TP-WXT520 |
| Upper Bell | starr | UpperBell-WXT536 |
| Upper Talega | marconi | UpperTalega-WXT536 |
| Volcan Tract III | vo | VO-WXT536 |
| Warner Springs | cf52 | WS-WXT520 |
| White Star | ws | WS-WXT536 |