SRML stations: Eugene, OR (Latitude: 44.05; Longitude: 123.07; Altitude: 150 m) This page provides an overview of the solar and meteorological monitoring equipment at the Eugene station. Links in the table below will take you to more in-depth information about the accuracy of the data collected and the instruments in use. Data type Instrument Data interval Period of record Solar radiation data Global Eppley PSP hourly 1975-1995 5 min. 1995-now Ascension Technology RSP 5 min. 2000-now Direct normal Eppley NIP hourly 1977-1995 5 min. 1995-now Ascension Technology RSP 5 min. 2000-now Diffuse [Calculated] hourly 1977-1995 5 min. 1995-now Eppley PSP with shade disk 5 min. 1997-now Ascension Technology RSP 5 min. 2000-now Schenk Star pyranometer with shade disk 5 min. 2000-now Tilted south 30° Schenk Star pyranometer hourly 1982-1985 Eppley PSP hourly 1985-1995 5 min. 1995-now Tilted south 45° Eppley PSP hourly 1983-1995 5 min. 1995-now Tilted south 60° Eppley PSP hourly 1977-1995 5 min. 1995-1998 Tilted south 90° Schenk Star pyranometer hourly 1981-1984 Eppley PSP hourly 1984-1995 5 min. 1995-now Tilted north 90° Eppley PSP hourly 1988-1995 5 min. 1995-now Ground reflected Eppley PSP 5 min. 1998-now Spectral data UV spectrum Eppley TUVR hourly 1994-1995 5 min. 1995-now Multifileter radiometer YES MFR-7 2.5 min. 1997-1998 1 min. 1998-now Beam RG695 Eppley NIP hourly 1988-1995 5 min. 1995-now Beam RG630 Eppley NIP hourly 1989-1995 5 min. 1995-1999 Beam OG570 Eppley NIP hourly 1989-1995 5 min. 1995-1999 Meteorological data Temperature   hourly 1977-1995 5 min. 1995-now Wind speed R.M. Young hourly 1984-1995 5 min. 1995-now Relative humidity   hourly 1982-1995 5 min. 1995-now
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