April 1999 Weather

Malheur Experiment Station, Ontario, OR

Monthly weather summaries for 1997 at Ontario, OR
Monthly weather summaries for 1998 at Ontario, OR
Monthly weather summaries for 1999 at Ontario, OR
Day by day weather for other months

Note: all data is recorded at 8 AM on the date for the row in which they appear. All data pertains to the preceeding 24 hr. period except 8 AM air temperature and sky condition.

Date	Air Temperature			Soil temperature 4" depth		Precipitation*	Pan evaporation	Wind run	Sky
Date	Max	Min	8 AM	Max	Min	Precipitation*	Pan evaporation	Wind run	Sky
	---------------------- ^oF ----------------------					--------- inches ---------		miles
30	57	39	39	48	47	t	.13	150	scattered
29	57	44	45	49	48		.29	246	overcast
28	58	34	39	51	49	.02	.16	140	scattered
27	66	39	42	54	50		.23	117	overcast
26	78	37	45	55	51		.28	94	scattered
25	73	41	41	55	49		.34	83	clear
24	74	42	45	53	47		.45	164	clear
23	63	32	46	49	46		.41	207	clear
22	59	36	40	51	47		.28	132	scattered
21	66	39	40	53	48	t	.26	124	scattered
20	71	44	45	54	51	.01	.19	100	scattered
19	80	44	52	54	48		.24	59	broken
18	75	44	44	52	45		.20	41	scattered
17	70	36	36	51	44		.21	43	scattered
16	63	28	28	49	43		.25	83	clear
15	62	30	31	48	44		.30	97	clear
14	66	36	40	49	44		.40	171	clear
13	68	43	44	49	41		.21	65	clear
12	61	30	30	47	40		.21	53	clear
11	55	29	29	44	39		.16	68	clear
10	48	19	19	43	40		.20	120	clear
9	60	25	33	46	43	.07	.19	165	broken
8	64	26	44	48	42		.20	80	overcast
7	60	27	30	47	41		.20	66	clear
6	50	33	38	44	41	.01	.12	63	broken
5	51	33	36	42	39		.05	85	overcast
4	50	34	35	44	41		.29	186	scattered
3	56	34	34	45	37	.05	.21	64	overcast
2	55	25	34	42	40		.16	191	clear
1	41	33	36	41	40	0.07	.05	86	clear