yr.month	precip
198801	128.8
198802	404.3
198803	300.6
198804	253.2
198805	515.4
198806	155.4
198807	61.5
198808	35.7
198809	32.2
198810	32.3
198811	119.7
198812	172.3
198901	200.9
198902	169.1
198903	419.7
198904	294.5
198905	337.6
198906	197.9
198907	169.1
198908	64
198909	61.6
198910	99.3
198911	135.2
198912	253.2
199001	34.8
199002	541.1
199003	181.6
199004	181.8
199005	240.2
199006	98.7
199007	102.4
199008	33.4
199009	60
199010	0
199011	14.7
199012	227.7
199101	235.2
199102	0
199103	238.3
199104	259.9
199105	0
199106	232.1
199107	92.5
199108	100.6
199109	12.8
199110	0
199111	0
199112	0
199201	201.5
199202	141.5
199203	197.2
199204	190.8
199205	58.4
199206	86.9
199207	50.7
199208	25.4
199209	7.5
199210	0
199211	9.9
199212	22.6
199301	148.4
199302	230
199303	187
199304	194.3
199305	172.8
199306	45.5
199307	133.1
199308	34.8
199309	35.5
199310	47.4
199311	113.9
199312	138.1
199401	242
199402	306.3
199403	463
199404	219.5
199405	253.8
199406	213.8
199407	205.1
199408	97.8
199409	15
199410	98.6
199511	169.5
199512	18.1
199501	322.7
199502	240.2
199503	225.9
199504	449.3
199505	349.9
199506	148.6
199507	87.1
199508	40.4
199509	17.6
199510	1
199511	243.6
199512	53.8
199601	223.9
199602	171.2
199603	416.7
199604	370.9
199605	329.8
199606	165.7
199607	69.4
199608	71.5
199609	0.5
199610	15.2
199611	4.4
199612	10.6
199701	225
199702	119
199703	321
199704	260.4
199705	225.4
199706	27.2
199707	20.4
199708	33.4
199709	0
199710	81
199711	33.5
199712	0.6
199801	26
199802	68.7
199803	296
199804	114.3
199805	208.2
199806	137.9
199807	72
199808	18
199809	59.7
199810	59.7
199811	94.1
199812	53.7