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Palestinian Rainfall-Intensity Data Collection Program

• 60 stations in the West Bank / Gaza are equipped with daily-value gages. These data cover a period of about 25 years.
• Four stations are equipped with automatic tipping-bucket recorders (Hebron, Gerico, Geneen, and Nablus). These data are transmitted automatically by modem.
• Data generally exist from 1967-1999. In addition, a limited number of "school-yard" daily-value data exist from 1955-1967.
• Since 2000, additional rainfall-intensity data have been collected at four "research" stations as part of governmental and non-governmental organization work: Lahavim, Samoa, Sayeret Shaked, and Zeef.
• PWA receives daily rainfall values in hard-copy format from the Section Manager at PMO. PWA then inputs these data into Access and ensures that the inputted data are quality controlled.
• The four PWA offices (PWA, West Bank (Bier Nobella), West Bank Water Department; PWA main office, and PWA, Gaza) use MS Access as their agencies' hydrologic database. Once every 3 to 4 weeks a CD is distributed throughout the PWA offices with updates to the PWA system database.

Palestinian Meteorological Office, West Bank (PMO, WB)

• Three stations are equipped with strip-chart recorders. Data from these stations were obtained by the Israeli Meteorological Service for the period between 1967 and 1997. Data from these stations were collected by the PMO since 1997. The recorder at one station, Nablus, currently is not working.
• Two stations are equipped with strip-chart recorders. These data exist from 1955 to 1967.
• From 1967 to 1994 an Israeli Meteorological agency assigned minimally-trained staff to monitor the meteorological station at Hebron. Minimal quality control occurred during this time. Around 1993, Israel installed telephone data transmission capabilities to the Hebron station. The station historically has had a staff of 5 persons and has been staffed 24 hours a day. The daily rainfall gage is read every 6 hours; data from the automatic recorder is transmitted to the Israeli Meteorological Service by modem; the PMO historically has not retrieved these rainfall-intensity data.

Palestinian Meteorological Office in Gaza (PMO-G)

• 20 stations in Gaza are equipped with daily-value gages.
• A station at the Gaza Airport is equipped with an automatic tipping-bucket recorder with a data logger. The recorded has experienced some operational difficulties in the past, but when working, this recorder sends data to a computer in the airport tower for storage.
• All daily-value log sheets are sent to the Beir Nobella office for quality control and storage.
• Israelis have one meteorological station and 11 daily-value gages in Gaza. A strip-chart recorder was used at the meteorological station from 1985 to 1996, and the Israeli Meteorological Service collected these data.
  
• At the staffed meteorological station, rain values typically are measured every 3 hours.