SL 21-2015
Specification for precipitation observations (English Version)

Standard No.

SL 21-2015

Language

Chinese, Available in English version

Release Date

2015

Published By

Professional Standard - Water Conservancy

Latest

SL 21-2015

Replace

SL 21-2006

Scope

This standard specifies technical requirements for rainfall station observation site setting, instruments and installation, precipitation observation and data collection. This standard applies to basic rainfall stations, and special rainfall stations can refer to it for implementation.

SL 21-2015 Referenced Document

• GB/T 21978.2 Instrument for precipitation observation.Part 2:Tipping bucket rainfall sensor
• GB/T 21978.3 Instrument for precipitation observation.Part 3: Siphon rainfall recorder
• GB/T 21978.5 Instrument for precipitation observation.Part 5:Display and record for rainfall
• GB/T 21978.6 Instrument for precipitation observation.Part 6: Melted snow type rain and snow recorder
• GB/T 50095-1998 Standard for essential technical terms and symbols in hydrology
• SL 247-2012 Code for hydrologic data processing
• SL 34-2013 Technical regulations for hydrologic network design
• SL 460-2009 Specification for compilation and publication of hydrological yearbook
• SL 630-2013 Standard for observations of water surface evaporation

SL 21-2015 history

• 2015 SL 21-2015 Specification for precipitation observations
• 2006 SL 21-2006 Standard for observations of precipitation
• 1991 SL 21-1990 Precipitation Observation Specifications