Station: 						Ordanance Survey Offices, Phoenix Park
County:							Dublin
Met Éireann Reference Code:				MÉ/MO/1; RR/D/14/69
Lat:							53°21'50"N
Lon:							06°20'50"W
Observer:						Records completed by Major Wilson; Corp. Pearson R.E; C. McLoughlin; J.B. Shaw; C. Haynes; J.E. Luter II Corporal R.E; J. Horwood; 2nd Corporal H. Rose; P. Butler; G. O'Niell; W.H. 								Oliver; J.B. Morrogh; Corporal Stone R.E; Lt. Colonel Hellard R.E; W. Blackmore; Col. Kirkwood; E. Lipscombe; Major J.C. Macpherson.
Start year:						1881
End year:						1959
Missing:						none
Missing data indicator:					-999
Time of Observation:					09:00am [see note below re. summer/winter time]
Unit of measurement:					inch [Jan 1881-May 1915]; millimeter [Jun 1915-Dec 1959]
Rain gauge pattern:					Snowdon			
Diameter:						5 inches [Dec 1914]; 8 inches [Jan 1916]
Height of top of gauge above ground:			1 foot
Height of top of gauge above sea level:			163.5 ft [Jan-Apr 1881]; 163 ft [May-Oct 1881]; 165.5 ft [Nov 1881]; 163 ft [Dec 1881]; 163.2 ft [Jan 1882-Dec 1889]; 155.1 ft [Jan 1890-Jan 1891]; 156 ft [Feb 1891-Aug 1896];									156.2 [Oct 1896-Feb 1898]; 155.3 [Mar 1898-Oct 1930]; 155 ft [Oct 1931-Dec 1959].
Nearest railway station:				Kingsbridge 2.2 miles Southeast; Ashtown 1.25 miles Northwest
Distance to nearest railway station:			Kingsbridge: 2.2 miles Southeast; Ashtown: 1.25 miles Northwest


Additional Information:					1898-1901: Height above m.s.l. (155.3 feet) is crossed out on a number of monthly sheets and noted as 156.2 feet. 
							1924-1938: Time of observation changes in mid-Apr from 09:00am to 10:00am. Reverts back to 09:00am in Oct. Exact date of changeover not given.
							1939: Time of observation does not change to 09:00am (winter time) until 19th Nov.
							1940-1946: From Mar 1940 to Sep 1946 the time of observation was 10:00am.
							1946: From Oct 1946 summer/winter time is used again for time of observation, however, date of changeover differs throughout years. Generally, change to summer time [10:00am 									reading] occurs in mid-Apr and change to winter time [09:00am reading] occurs in mid-Oct but not consistent.
							1957: From Oct 1957 time of observation is 09:00am GMT.
				
Notes:


							
Rainfall quality indicator:				0: Ok
							1: estimated
							2: daily value not available, accumulated value later
							3: Estimated and Cumulative (read)
							4: Trace (<0.05mm, entered as 0.0)
							5: Estimated Trace (same as 4)
							6: Cumulative Trace (same as 4)
							7: Estimated Cumulative Trace (same as 4)
							8: Not Available (no value entered)
							9: Cumulative value including preceding days with indicator 2 (read)
