Our Mountain System Monitoring data is made possible by private donations, funding from stakeholders, and the research community. Please donate and support the data collection you value. Before using any of the following data you must agree to the policies governing use of CSAS data .

Data users should reference: Landry, C. C., K. A. Buck, M. S. Raleigh, and M. P. Clark (2014), Mountain system monitoring at Senator Beck Basin, San Juan Mountains, Colorado: A new integrative data source to develop and evaluate models of snow and hydrologic processes, Water Resour. Res., 50, doi:10.1002/2013WR013711.

Please contact jderry@snowstudies.org for assistance in working with CSAS data, additional formats, and interpreting radiation/energy budget data. See current conditions for near real-time data.

For POR Winter Storm Data see CSAS_Storms_Precip_Data_WY23. For near real-time data, see Current Conditions. The day is identified by Julian day of the year (DOY). Download a Julian day calendar here for 2023, and 2024.

Swamp Angel
Study Plot
Senator Beck
Study Plot
Putney
Study Plot
Senator Beck
Stream Gage
MetadataSASP MetadataSBSP MetadataPTSP MetadataSBSG Metadata
VariablesSASP_VarSBSP_VarPTSP_VarSBSG_Var
Entire POR
Datasets
SASP_1hr_2010-2023
SASP_1hr_2003
-2009

SASP_3hr
SASP_24hr

SBSP_1hr_2010-2023
SBSP_1hr_2003-2009
SBSP_3hr
SBSP_24hr

PTSP_1hr
PTSP_3hr
PTSP_24hr
SBSG_1hr
SBSG_24hr
Serially Complete Meteorological
Datasets
SASP_forcing
Metadata
SBSP_forcing

SEASONAL DATASETS

Summer (s) and Winter (w) datasets for 2003-2023. For Snow Pit Profile Metadata, see CSAS Snow Profiles Metadata. For PDF’s of water year winter storms see PDF Reports and Excel Workbooks.

Water YearSwamp Angel
Study Plot
Senator Beck
Study Plot
Senator Beck
Stream Gage
Putney Station
Study Plot
Snow Data
Pit Profiles
2023SASP_s2023
SASP_w2223
SBSP_s2023
SBSP_w2223
SBSG_S2023PTSP_s2023
PTSP_w2223
SensorStat_2223
2022SASP_s2022
SASP_w2122
SBSP_s2022
SBSP_w2122
SBSG_s2022PTSP_s2022
PTSP_w2122
SensorStat_2122
2021SASP_s2021
SASP_w2021
SBSP_s2021
SBSP_w2021
SBSG_s2021PTSP_s2021
PTSP_w2021
SensorStat_2021
2020SASP_s2020
SASP_w1920
SBSP_s2020
SBSP_w1920
SBSG_s2020PTSP_s2020
PTSP_w1920
SensorStat_1920
2019SASP_s2019
SASP_w1819
SBSP_s2019
SBSP_w1819
SBSG_s2019PTSP_s2019
PTSP_w1819
SensorStat_1819
2018SASP_s2018
SASP_w1718
SBSP_s2018
SBSP_w1718
SBSG_s2018PTSP_s2018
PTSP_w1718
SensorStat_1718
2017SASP_s2017
SASP_w1617
SBSP_s2017
SBSP_w1617
SBSG_s2017PTSP_s2017
PTSP_w1617
PitProfiles_1617
SensorStat_1617
2016SASP_s2016
SASP_w1516
SBSP_s2016
SBSP_w1516
SBSG_s2016PTSP_s2016
PTSP_w1516
PitProfiles_1516
SensorStat_1516
2015SASP_s2015
SASP_w1415
SBSP_s2015
SBSP_w1415
SBSG_s2015PTSP_s2015
PTSP_w1415
PitProfiles_1415
SensorStat_1415
2014SASP_s2014
SASP_w1314
SBSP_s2014
SBSP_w1314
SBSG_s2014PTSP_s2014
PTSP_w1314
PitProfiles_1314
SensorStat_1314
2013SASP_s2013
SASP_w1213
SBSP_s2013
SBSP_w1213
SBSG_s2013PTSP_s2013
PTSP_w1213
PitProfiles_1213
SensorStat_1213
2012SASP_s2012
SASP_w1112
SBSP_s2012
SBSP_w1112
SBSG_s2012PTSP_s2012
PTSP_w1112
PitProfiles_1112
SensorStat_1112
2011SASP_s2011
SASP_w1011
SBSP_s2011
SBSP_w1011
SBSG_s2011PTSP_s2011
PTSP_w1011
PitProfiles_1011
SensorStat_1011
2010SASP_s2010
SASP_w0910
SBSP_s2010
SBSP_w0910
SBSG_s2010PTSP_s2010
PTSP_w0910
PitProfiles_0910
SensorStat_0910
2009SASP_s2009
SASP_w0809
SBSP_s2009
SBSP_w0809
SBSG_s2009PTSP_s2009
PTSP_w0809
PitProfiles_0809
SensorStat_0809
2008SASP_s2008
SASP_w0708
SBSP_s2008
SBSP_w0708
SBSG_s2008PTSP_s2008
PTSP_w0708
PitProfiles_0708
SensorStat_0708
2007SASP_s2007
SASP_w0607
SBSP_s2007
SBSP_w0607
SBSG_s2007PTSP_s2007
PTSP_w0607
PitProfiles_0607
2006SASP_s2006
SASP_w0506
SBSP_s2006
SBSP_w0506
SBSG_s2006PTSP_w0506NSF_0506
2005SASP_s2005
SASP_w0405
SBSP_s2005
SBSP_w0405
SBSG_s2005PTSP_w0405
NSF_0405
2004SASP_s2004
SASP_w0304
NA
SBSP_w0304
under
construction