Soil Management Research Products and Services

Swan Lake Research Farm, Stevens County, MN

(Terms are described on the Weather Page)

											Soil Temperatures
	Air Temp. ( ^oF)		Relative Humidity(%)		*Solar Radiation (kwh/m ²)	Wind Speed (m/s)	Growing Degree Days			Precip.(Inches)	2 Inches ( ^oF)		4 Inches ( ^oF)
Date	Max	Min	Max	Min	Mean	Mean	50/86	50	40	Total	Max	Min	Max	Min
3/31/2011	38.3	34.0	100	78	.070	2.73	--	--	--	.06	31.8	31.3	32.0	31.1
3/30/2011	38.2	23.9	100	57	.117	2.45	--	--	--	.00	31.5	30.1	31.7	30.7
3/29/2011	42.0	20.0	89	26	.257	1.30	--	--	--	.00	31.3	29.2	31.6	30.2
3/28/2011	37.0	18.5	80	49	.255	3.03	--	--	--	.00	30.9	29.2	31.5	30.2
3/27/2011	34.2	14.5	89	52	.259	2.38	--	--	--	.00	30.9	29.5	31.8	30.6
3/26/2011	31.8	16.0	79	51	.267	3.86	--	--	--	.00	31.5	30.6	32.2	31.2
3/25/2011	36.0	14.3	98	46	.267	1.91	--	--	--	.00	32.0	31.3	32.5	31.5
3/24/2011	36.9	11.7	100	49	.258	1.26	--	--	--	.00	32.3	31.9	32.7	31.5
3/23/2011	34.1	15.8	100	62	.188	6.19	--	--	--	.00	32.2	31.9	32.8	31.6
3/22/2011	38.6	28.9	100	88	.042	10.27	--	--	--	.28	32.2	32.0	32.7	31.5
3/21/2011	41.0	34.6	100	80	.098	4.10	--	--	--	.00	32.2	31.9	32.7	31.5
3/20/2011	42.2	36.3	100	80	.065	4.74	--	--	--	.00	32.2	31.9	32.7	31.4
3/19/2011	43.7	24.5	100	76	.120	5.20	--	--	--	.00	32.2	31.9	32.6	31.5
3/18/2011	34.1	23.5	100	73	.192	4.92	--	--	--	.00	32.0	31.8	32.4	31.4
3/17/2011	43.6	32.9	100	74	.174	4.12	--	--	--	.00	32.0	31.7	32.5	31.3
3/16/2011	44.2	24.1	100	73	.177	3.35	--	--	--	.00	31.9	31.3	32.2	30.9
3/15/2011	43.1	30.2	95	71	.205	3.10	--	--	--	.00	31.4	30.2	31.9	30.4
3/14/2011	34.8	11.8	98	87	.198	5.22	--	--	--	.00	30.4	29.8	31.4	30.2
3/13/2011	27.5	6.4	99	59	.178	3.36	--	--	--	.00	30.8	29.9	31.6	30.3
3/12/2011	23.0	7.0	100	79	.198	10.84	--	--	--	.00	31.2	30.7	31.9	30.8
3/11/2011	41.7	22.9	100	78	.161	8.92	--	--	--	.00	31.1	30.6	31.9	30.7
3/10/2011	29.2	21.1	100	83	.164	3.60	--	--	--	.00	30.9	30.6	31.8	30.5
3/09/2011	35.1	25.1	100	84	.163	4.50	--	--	--	.01	30.8	30.1	31.5	30.1
3/08/2011	35.1	5.8	94	80	.163	2.84	--	--	--	.00	30.1	29.6	31.2	29.9
3/07/2011	25.4	1.8	100	72	.213	2.70	--	--	--	.00	29.6	28.5	30.6	29.2
3/06/2011	25.6	5.2	100	74	.115	1.64	--	--	--	.01	28.6	27.9	30.0	29.0
3/05/2011	14.3	-4.7	94	76	.214	3.35	--	--	--	.00	29.3	28.2	30.6	29.1
3/04/2011	27.9	6.6	100	79	.166	6.36	--	--	--	.00	29.4	28.7	30.6	29.2
3/03/2011	30.1	8.2	100	65	.132	3.27	--	--	--	.00	28.7	27.7	30.1	28.8
3/02/2011	9.8	-9.1	84	53	.179	3.20	--	--	--	.00	28.7	27.4	30.1	28.7
3/01/2011	25.8	-5.0	99	72	.199	6.81	--	--	--	.00	28.9	28.1	30.3	29.1
2/28/2011	20.3	-7.2	93	70	.196	3.54	--	--	--	.00	28.6	27.6	30.2	28.7
2/27/2011	24.7	-7.0	97	76	.169	4.64	--	--	--	.00	28.6	27.9	30.2	29.0
2/26/2011	3.3	-8.4	87	74	.145	2.13	--	--	--	.00	29.4	28.2	31.2	29.4
2/25/2011	3.4	-8.9	87	69	.180	4.30	--	--	--	.00	30.8	29.4	31.9	30.6
2/24/2011	11.2	-3.3	92	72	.155	6.30	--	--	--	.00	31.5	30.7	32.3	31.0
2/23/2011	31.6	11.0	100	78	.129	5.92	--	--	--	.00	31.6	31.4	32.6	31.3
2/22/2011	21.9	1.7	99	81	.156	3.51	--	--	--	.00	31.8	31.4	32.6	31.5
2/21/2011	25.1	2.9	100	76	.111	4.46	--	--	--	.00	32.0	31.6	32.6	31.4
2/20/2011	25.9	16.5	100	73	.051	7.03	--	--	--	.00	32.1	31.8	32.6	31.6
2/19/2011	24.1	3.5	90	62	.118	3.08	--	--	--	.00	32.2	31.8	32.7	31.3
2/18/2011	21.8	3.8	89	73	.170	7.08	--	--	--	.00	32.0	31.8	32.4	31.5
2/17/2011	40.7	20.8	100	78	.111	6.63	--	--	--	.00	32.1	31.7	32.6	31.4
2/16/2011	44.3	26.1	100	67	.130	4.16	--	--	--	.00	31.9	31.5	32.5	31.2
2/15/2011	39.7	24.7	100	79	.153	4.78	--	--	--	.00	31.8	31.3	32.3	30.9
2/14/2011	41.2	30.7	100	66	.150	4.88	--	--	--	.00	31.5	30.4	32.1	30.4
2/13/2011	43.7	24.2	98	62	.107	6.27	--	--	--	.00	30.5	29.6	31.5	29.9
2/12/2011	38.7	11.2	100	74	.133	2.50	--	--	--	.00	29.7	28.7	30.9	29.5
2/11/2011	34.0	-10.8	97	83	.099	4.05	--	--	--	.00	28.7	28.2	30.3	29.1
2/10/2011	.1	-18.5	92	75	.155	1.43	--	--	--	.00	29.0	28.3	30.5	29.3
2/09/2011	1.1	-14.5	88	68	.156	4.05	--	--	--	.00	29.5	29.0	30.9	29.7
2/08/2011	4.9	-20.3	84	66	.163	4.53	--	--	--	.00	30.3	29.4	31.3	30.1
2/07/2011	2.9	-14.0	88	75	.165	6.12	--	--	--	.00	30.7	30.2	31.6	30.6
2/06/2011	31.2	2.7	98	85	.094	5.98	--	--	--	.01	30.7	30.1	31.5	30.4
2/05/2011	31.3	8.6	100	87	.070	1.95	--	--	--	.00	30.2	29.6	31.5	29.9
2/04/2011	33.4	5.2	100	80	.127	2.67	--	--	--	.00	29.6	29.0	30.9	29.7
2/03/2011	21.8	-4.8	99	65	.134	3.29	--	--	--	.00	29.1	28.8	30.8	29.5
2/02/2011	2.7	-19.8	80	58	.143	4.22	--	--	--	.00	29.6	28.9	30.9	29.8
2/01/2011	5.0	-12.5	85	73	.134	6.07	--	--	--	.00	30.0	29.5	31.3	30.3
1/31/2011	13.5	4.7	93	83	.070	4.87	--	--	--	.00	29.9	29.6	31.1	30.2
1/30/2011	14.0	.1	96	73	.071	4.20	--	--	--	.00	30.4	29.6	31.5	30.3
1/29/2011	26.2	1.1	99	82	.092	7.52	--	--	--	.00	30.8	30.3	31.7	30.6
1/28/2011	33.7	20.2	100	90	.077	4.59	--	--	--	.00	30.7	30.2	31.8	30.4
1/27/2011	30.0	15.0	100	89	.090	2.55	--	--	--	.01	30.3	29.7	31.5	30.1
1/26/2011	23.6	7.0	100	83	.113	2.27	--	--	--	.00	29.8	29.4	31.2	29.8
1/25/2011	17.9	2.2	98	86	.083	2.41	--	--	--	.00	29.6	29.2	31.0	29.6
1/24/2011	30.8	4.9	100	85	.076	6.31	--	--	--	.00	29.3	28.2	30.5	29.1
1/23/2011	10.7	-21.6	86	71	.075	5.29	--	--	--	.00	28.2	27.9	30.0	29.1
1/22/2011	-4.3	-23.0	87	76	.114	3.20	--	--	--	.00	28.2	28.1	30.2	29.2
1/21/2011	-.2	-28.5	90	73	.054	3.32	--	--	--	.00	28.8	28.0	30.4	29.3
1/20/2011	13.6	-22.3	94	73	.126	6.29	--	--	--	.00	29.1	28.7	30.7	29.7
1/19/2011	2.0	-10.7	89	72	.119	2.02	--	--	--	.00	29.7	29.1	31.2	29.8
1/18/2011	-2.9	-11.2	86	77	.103	5.44	--	--	--	.00	30.3	29.6	31.4	30.3
1/17/2011	22.2	-3.1	99	86	.057	5.98	--	--	--	.00	30.2	29.7	31.3	30.2
1/16/2011	13.7	-5.7	90	78	.061	4.54	--	--	--	.00	29.9	29.6	31.2	30.2
1/15/2011	6.0	-13.0	92	80	.057	5.58	--	--	--	.00	30.2	29.8	31.4	30.3
1/14/2011	14.1	6.0	94	86	.046	3.37	--	--	--	.00	30.1	29.9	31.3	30.4
1/13/2011	14.5	2.0	94	80	.065	3.62	--	--	--	.00	29.9	29.7	31.2	30.3
1/12/2011	7.8	-3.2	92	87	.086	4.01	--	--	--	.00	30.3	29.8	31.5	30.4
1/11/2011	17.5	4.5	96	90	.070	4.44	--	--	--	.00	30.3	29.6	31.3	30.2
1/10/2011	18.4	10.5	96	89	.053	4.01	--	--	--	.00	29.7	28.9	31.0	29.8
1/09/2011	10.9	-11.6	91	82	.065	1.95	--	--	--	.00	29.6	28.8	31.0	29.8
1/08/2011	6.6	-8.2	90	77	.110	2.80	--	--	--	.00	30.2	29.6	31.5	30.2
1/07/2011	14.7	4.3	97	84	.066	8.00	--	--	--	.00	30.3	30.1	31.5	30.5
1/06/2011	19.6	5.3	96	71	.052	1.06	--	--	--	.00	30.6	29.8	31.4	29.7
1/05/2011	21.1	2.3	99	88	.082	3.74	--	--	--	.00	30.2	29.8	31.4	30.3
1/04/2011	7.0	-19.7	96	75	.087	1.68	--	--	--	.00	30.3	29.7	31.6	30.5
1/03/2011	13.4	-17.0	94	80	.044	2.22	--	--	--	.00	30.6	30.2	31.7	30.7
1/02/2011	9.6	-8.7	93	79	.055	2.13	--	--	--	.00	31.7	30.5	32.3	31.0
1/01/2011	6.4	-2.7	92	82	.075	7.57	--	--	--	.00	32.0	31.6	32.3	31.4

*The Solar Radiation sensor is often covered with snow during the winter months so the value may be incorrect during those times.