SL 21-2006
Standard for observations of precipitation (English Version)

Standard No.

SL 21-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

Professional Standard - Water Conservancy

Status

Be replaced 2015-12

Replace By

SL 21-2015

SL/T 21-2015

Latest

SL 21-2015

SL/T 21-2015

Replace

SL 21-1990

Scope

This standard is applicable to precipitation observations for collecting basic precipitation data for flood control, drought relief, and water resources management.

SL 21-2006 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