1999 Monthly Weather Summaries

Malheur Experiment Station, Ontario, OR

		Air temperature		Soil temperature						Accumulated degree days (50-86 ^oF) from Jan 1
		Max	Min	Max	Min	Precip.	Pan Evap.	Total degree days for month		Accumulated degree days (50-86 ^oF) from Jan 1
Month		Degrees Farenheit				inches		50-86 ^oF	32-104 ^oF	1999	10 year avg
December	Sum					0.73		0	56	2921	2989
	Mean	37	25	36	34
	Max	56	35	44	42
	Min	22	15	31	26
November	Sum					0.49		31	317	2921	2988
	Mean	55	33	45	43
	Max	68	42	49	47
	Min	41	20	39	38
October	Sum					0.40	4.73	184	607	2891	2979
	Mean	69	37	54	50		0.15
	Max	81	54	58	55		0.35
	Min	50	25	48	45		0.06
September	Sum					0	8.31	416	932	2707	2827
	Mean	80	45	65	60		0.28
	Max	90	61	68	63		0.43
	Min	63	31	57	52		0.16
August	Sum					0.09	9.56	704	1287	2291	2373
	Mean	91	56	72	66		0.31
	Max	97	67	78	69		0.54
	Min	74	40	67	59		0.15
July	Sum					0	12.1	682	1278	1588	1709
	Mean	90	55	72	66		0.39
	Max	104	68	76	70		0.61
	Min	73	42	67	62		0.27
June	Sum					1.02	8.73	459	994	905	1000
	Mean	80	51	67	62		0.29
	Max	97	63	74	66	0.63	0.46
	Min	58	39	56	55		0.07
May	Sum					0.28	9.34	283	776	446	516
	Mean	71	43	56	52