The Department of Irrigation and Drainage (DID) Sarawak is responsible for the setting up and maintenance of hydrological stations network within Sarawak and collection and dissemination of various hydrological data. Up to date, DID Sarawak have 347 rainfall stations, 153 water level stations, 34 discharge stations, 28 evaporation stations and 22 climate stations (2022).
For easy reference by the user, all these data are compiled and published. In 1964, the first Hydrological Year Book (HYB) for the year 1962-1963 was published. Ever since then, subsequent issues of the Year Books were published by the Hydrology and Water Resources Division of DID Sarawak. Up to 2022, the following 48 volumes of HYB had been published by DID Sarawak:-

Sarawak Hydrological Year Book 1962 &1963, Volume 1
Sarawak Hydrological Year Book1963 & 1966, Volume 2
Sarawak Hydrological Year Book1966& 1967, Volume 3
Sarawak Hydrological Year Book1967& 1968, Volume 4
Sarawak Hydrological Year Book1969, Volume 5
Sarawak Hydrological Year Book1970, Volume 6
Sarawak Hydrological Year Book1971, Volume 7
Sarawak Hydrological Year Book1972, Volume 8
Sarawak Hydrological Year Book1973,  Volume 9
Sarawak Hydrological Year Book1974, Volume 10
Sarawak Hydrological Year Book1975, Volume 11
Sarawak Hydrological Year Book1976, Volume 12
Sarawak Hydrological Year Book1977 & 1978, Volume 13
Sarawak Hydrological Year Book1979 & 1980, Volume 14
Sarawak Hydrological Year Book1981 & 1982, Volume 15
Sarawak Hydrological Year Book1983 & 1984, Volume 16
Sarawak Hydrological Year Book1985 & 1986, Volume 17
Sarawak Hydrological Year Book1987& 1988, Volume 18
Sarawak Hydrological Year Book1989& 1990, Volume 19
Sarawak Hydrological Year Book1991 & 1992, Volume 20
Sarawak Hydrological Year Book1993 & 1994, Volume 21
Sarawak Hydrological Year Book1995, Volume 22
Sarawak Hydrological Year Book1996, Volume 23
Sarawak Hydrological Year Book1997, Volume 24
Sarawak Hydrological Year Book1998, Volume 25
Sarawak Hydrological Year Book1999, Volume 26
Sarawak Hydrological Year Book2000, Volume 27
Sarawak Hydrological Year Book2001, Volume 28
Sarawak Hydrological Year Book2002, Volume 29
Sarawak Hydrological Year Book2003, Volume 30
Sarawak Hydrological Year Book2004, Volume 31
Sarawak Hydrological Year Book2005, Volume 32
Sarawak Hydrological Year Book2006, Volume 33
Sarawak Hydrological Year Book2007, Volume 34
Sarawak Hydrological Year Book2008, Volume 35
Sarawak Hydrological Year Book2009, Volume 36
Sarawak Hydrological Year Book2010, Volume 37
Sarawak Hydrological Year Book2011, Volume 38
Sarawak Hydrological Year Book2012, Volume 39
Sarawak Hydrological Year Book2013, Volume 40
Sarawak Hydrological Year Book2014, Volume 41
Sarawak Hydrological Year Book2015, Volume 42
Sarawak Hydrological Year Book2016, Volume 43
Sarawak Hydrological Year Book2017, Volume 44
Sarawak Hydrological Year Book2018, Volume 45
Sarawak Hydrological Year Book2019, Volume 46
Sarawak Hydrological Year Book2020, Volume 47
Sarawak Hydrological Year Book2021, Volume 48

 

The annual Sarawak Hydrological Year Book contains the following information :-

1. Daily Total Rainfall,
2. Daily Mean Stage,
3. Daily Total Evaporation,
4. Annual and Mean Isohyetal Maps,
5. Hydrological Stations Information etc.

This information is useful in planning, design and management of water resources and related projects.

1. All information given by applicants must be accurate, truthful and factual. If any false or inaccurate information given, the application will not be considered.

2. Select and fill one of the following online application form:

Category of Applicant	Application Form
Individual	Online Purchase of Sarawak Hydrological Year Book (Individual)
Organization	Online Purchase of Sarawak Hydrological Year Book (Organization)

 

3. The registration no. with Companies Commission of Malaysia (SSM) must be provided for application from company.

All applicants can make this application through online.

All

The price of the HYB is RM 300/per book. The payment can be made through S Pay Global or by cash/cheque at State Treasury Counter, Urban Transformation Centre (UTC).

Please contact Hydrology and Water ResourcesDivision, Department of Irrigation and Drainage (DID) Sarawak for further assistance.

1. Siti Nur Ummiah Binti Munir, 082-248169
2. Jika Anak Ketiow, 082-421390
3. Salleh Bin Rajali Rajak ,082-248173