Table 4 - Locations for a UVI Forecast and Type of Instrument
| Agency | Obs. Site | Site Lon/Lat | Ver. City | Code | City
Lon/Lat | Elev | Instr. |
| USDA | Douglas Lake | 84.66/45.55S. | St.
Marie | SSM | 84.22/46.28 | 220 | Yankee |
| Oxford |
84.72/39.53 | Dayton | DAY |
84.12/39.54 |
305 | UVB-1 |
| Fort Collins |
104.75/40.80 | Cheyenne | CYS |
104.49/41.09 | 1871 | |
| Bondville | 88.37/40.05 | Peoria | PIA | 89.41/40.40 | 201 | |
| Davis | 121.76/38.53 | Sacramento | SAC | 121.30/38.31 | 7 | |
| Howland | 68.70/45.21 | Bangor | BGR | 68.49/44.48 | 58 | |
| Geneva | 77.03/42.88 | Rochester | ROC | 77.40/43.07 | 169 | |
| Griffin | 84.40/33.17 | Atlanta | ATL | 84.26/33.39 | 315 | |
| Pullman | 117.18/46.75 | Lewiston,
ID | LWS | 117.01/46.23 | 438 | |
| NOAA | Concord | | Concord | CON | 71.30/43.12 | 105 | RB500 |
| Detroit | | Detroit | DTW | 83.20/42.14 | 202 | |
| El Paso | | El Paso | ELP | 106.24/31.48 | 1194 | |
| Minneapolis | | Minneapolis | MSP | 93.13/44.53 | 255 | |
| Salt Lake City | | Salt Lake City | SLC | 111.58/40.46 | 1288 | |
| Seattle | | Seattle | SEA | 122.18/47.27 | 137 | |
| NOAA | Albuquerque | | Albuquerque | ABQ | 106.37/35.03 | 1620 | Yankee |
| Boulder | 105.15/40.01 | Denver | DEN | 104.52/39.45 | 1625 | UVB-1 |
| Bondville | 88.37/40.05 | Peoria | PIA | 89.41/40.40 | 202 | |
| EPA | Raleigh | | Raleigh | RDU | 78.47/35.52 | 134 | Spectral |
| Atlanta | | Atlanta | ATL | 84.26/33.39 | 315 | |
| Boston | | Boston | BOS | 71.02/42.22 | 9 | |
| Gaithersburg | | Washington | DCA | 77.02/38.51 | 20 | |
| Local : | Corpus Cristi | | Corpus
Cristi | CRP | 97.30/27.46 | 13 | SL501 |
| MD | Houston | | Houston | IAH | 95.21/29.58 | 33 | RB500 |
| Anderson | Austin | | Austin | AUS | 97.21/30.18 | 189 | SL501 |
| Midland | | Midland | MAF | 102.11/31.57 | 872 | SL501 |
| Biospherics | San Diego | | San
Diego | SAN | 117.10/32.44 | 9 | Spectral |
| Local | San Diego | | San
Diego | SAN | 117.10/32.44 | 9 | SL501 |
| Local | Honolulu | | Honolulu | HNL | 157.56/21.21 | 5 | SL501 |