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
9/30/2010	72.0	45.1	100	31	.196	2.23	2478	2468	3929	.00	69.6	51.4	65.5	54.5
9/29/2010	74.4	51.6	90	36	.188	3.95	2467	2459	3910	.00	68.8	54.4	65.2	56.5
9/28/2010	73.8	46.3	100	41	.188	1.85	2454	2446	3887	.00	71.4	52.6	66.6	54.9
9/27/2010	76.7	50.2	93	46	.193	3.99	2442	2436	3867	.00	68.5	50.7	64.1	52.9
9/26/2010	69.0	44.9	100	41	.208	2.73	2429	2423	3844	.00	64.5	48.7	61.4	51.6
9/25/2010	65.0	48.4	100	52	.127	1.33	2419	2416	3827	.11	65.2	51.4	61.6	52.7
9/24/2010	61.5	46.8	100	51	.110	5.66	2411	2409	3810	.08	58.1	51.4	58.2	53.8
9/23/2010	62.9	52.0	100	86	.033	4.08	2405	2405	3796	.28	60.9	56.5	60.0	57.0
9/22/2010	61.8	44.6	100	66	.094	3.72	2398	2398	3779	.00	58.9	49.9	58.6	53.2
9/21/2010	63.8	46.5	100	53	.157	3.11	2392	2395	3766	.00	66.6	55.2	63.9	57.9
9/20/2010	82.2	54.0	100	56	.087	4.32	2385	2390	3751	.00	67.0	55.6	63.9	56.9
9/19/2010	66.2	50.8	83	27	.166	2.37	2367	2372	3723	.00	68.3	54.0	64.5	55.8
9/18/2010	58.3	38.5	95	34	.216	2.44	2358	2363	3704	.00	66.0	48.7	62.6	52.3
9/17/2010	64.8	43.3	100	48	.167	3.24	2354	2363	3696	.00	65.6	54.0	63.2	57.6
9/16/2010	63.9	48.9	95	60	.215	2.63	2347	2359	3682	.00	69.6	53.1	65.8	55.3
9/15/2010	59.2	52.2	100	67	.028	3.95	2340	2353	3666	.75	63.0	55.4	65.0	57.7
9/14/2010	70.9	51.9	89	45	.225	3.20	2334	2347	3650	.00	75.0	56.4	70.3	58.9
9/13/2010	74.7	48.3	100	31	.233	1.34	2323	2336	3629	.00	76.8	53.7	71.2	56.9
9/12/2010	77.8	51.0	93	32	.238	2.66	2311	2325	3608	.00	73.2	53.0	68.4	55.6
9/11/2010	73.4	51.5	100	40	.210	3.54	2297	2311	3584	.00	66.4	54.0	64.0	56.4
9/10/2010	63.1	57.9	100	79	.031	4.45	2285	2299	3562	.43	60.0	58.0	60.1	58.9
9/09/2010	63.0	57.4	100	75	.032	4.39	2274	2288	3541	.21	60.7	57.8	62.7	59.3
9/08/2010	71.3	41.0	100	47	.235	1.73	2264	2278	3521	.00	71.8	49.7	67.6	53.5
9/07/2010	64.4	46.4	100	52	.189	5.07	2253	2272	3505	.10	64.8	54.8	63.3	57.7
9/06/2010	64.3	54.3	100	80	.046	4.31	2246	2267	3490	1.49	63.2	58.5	63.9	60.6
9/05/2010	69.8	49.7	93	55	.133	3.62	2237	2258	3471	.00	70.0	57.0	67.0	60.3
9/04/2010	71.3	44.3	100	36	.247	1.67	2227	2248	3451	.00	77.6	53.2	72.6	57.1
9/03/2010	66.9	46.5	98	38	.241	5.80	2216	2240	3433	.00	69.7	56.5	67.5	59.9
9/02/2010	71.9	56.9	100	54	.134	4.13	2208	2233	3416	.01	71.5	61.1	72.1	64.7
9/01/2010	75.6	51.8	100	40	.254	2.48	2194	2219	3392	.44	82.8	61.4	78.3	65.4
8/31/2010	77.9	57.8	100	50	.216	2.68	2180	2205	3368	.05	80.7	68.3	78.4	71.9
8/30/2010	89.3	70.0	100	56	.207	5.09	2162	2187	3340	1.53	89.1	73.7	84.6	74.4
8/29/2010	88.3	67.5	79	40	.214	5.56	2135	2157	3300	.00	85.7	69.7	81.9	71.6
8/28/2010	87.4	65.9	81	45	.261	5.26	2109	2129	3262	.00	87.8	67.5	82.6	69.5
8/27/2010	87.2	62.5	100	36	.271	5.23	2084	2102	3225	.00	85.9	65.7	81.0	68.1
8/26/2010	78.7	53.8	100	49	.273	2.79	2060	2077	3190	.00	84.8	61.3	79.6	64.8
8/25/2010	73.5	49.6	100	42	.276	1.71	2044	2061	3164	.00	83.3	59.5	78.4	63.4
8/24/2010	76.2	56.5	97	38	.277	3.90	2032	2049	3142	.00	77.7	64.6	76.2	68.3
8/23/2010	86.9	64.7	100	49	.210	3.91	2016	2033	3116	.64	90.5	73.0	85.0	75.3
8/22/2010	88.6	68.6	100	63	.268	4.24	1991	2007	3080	.00	91.7	71.6	86.1	73.0
8/21/2010	88.9	64.1	100	49	.264	1.33	1964	1978	3041	.00	92.9	69.2	86.2	70.2
8/20/2010	85.1	66.4	100	58	.234	1.91	1939	1951	3004	.28	85.9	67.0	80.5	68.1
8/19/2010	73.5	62.8	100	77	.091	4.35	1913	1925	2968	.65	74.8	67.4	72.9	68.4
8/18/2010	76.5	61.4	100	71	.122	2.01	1895	1907	2940	.04	77.8	67.5	75.5	64.3
8/17/2010	79.5	49.9	100	43	.288	2.90	1876	1888	2911	.00	86.0	60.2	80.3	63.8
8/16/2010	72.8	53.2	93	43	.274	3.20	1861	1873	2886	.00	81.5	59.3	76.8	62.7
8/15/2010	74.0	55.4	91	44	.249	4.36	1848	1860	2863	.00	76.4	60.9	73.6	64.2
8/14/2010	73.2	60.7	100	57	.180	3.39	1833	1845	2838	.06	75.9	65.4	74.4	68.5
8/13/2010	81.8	65.9	100	63	.174	3.23	1816	1828	2811	.79	80.8	68.7	78.3	70.5
8/12/2010	85.7	64.5	100	57	.191	4.44	1792	1804	2777	1.99	88.7	72.4	84.8	74.9
8/11/2010	88.5	68.6	100	53	.291	1.60	1767	1779	2742	.00	91.9	71.2	86.8	72.9
8/10/2010	80.5	72.3	100	78	.067	2.85	1740	1750	2703	.35	83.0	75.0	84.5	76.2
8/09/2010	92.2	62.0	100	31	.284	1.24	1714	1724	2667	.00	97.8	71.0	91.3	73.3
8/08/2010	86.6	69.7	100	65	.126	1.09	1691	1697	2630	.00	88.2	75.7	85.1	76.7
8/07/2010	89.2	64.7	100	55	.271	3.33	1664	1669	2592	.10	92.0	71.4	86.9	73.4
8/06/2010	84.8	54.7	100	38	.271	1.16	1639	1642	2555	.00	91.5	67.7	86.8	71.1
8/05/2010	77.4	56.4	93	42	.273	2.85	1619	1622	2525	.00	88.6	69.3	84.7	72.8
8/04/2010	83.2	61.5	100	45	.276	2.70	1602	1605	2498	.00	94.2	75.3	89.1	76.9
8/03/2010	85.3	66.4	100	46	.293	2.03	1580	1583	2466	.00	95.8	74.1	90.4	75.9
8/02/2010	85.5	68.5	100	61	.254	1.56	1554	1557	2430	.00	94.5	72.4	88.9	73.4
8/01/2010	83.9	69.7	99	65	.122	3.00	1527	1530	2393	.04	86.0	75.6	83.7	76.8
7/31/2010	87.5	64.4	100	43	.291	1.27	1500	1503	2356	.00	96.7	71.9	90.4	73.5
7/30/2010	79.3	64.1	100	64	.184	1.97	1475	1477	2320	.00	87.1	72.3	83.6	73.8
7/29/2010	81.0	56.1	100	42	.268	1.52	1453	1455	2288	.00	91.2	69.0	86.1	72.1
7/28/2010	77.8	57.5	100	47	.315	2.24	1434	1436	2259	.00	91.7	68.9	86.3	72.2
7/27/2010	90.2	65.2	100	58	.206	3.48	1416	1418	2231	.01	92.4	76.0	86.9	76.6
7/26/2010	85.6	65.7	95	51	.319	3.93	1391	1390	2193	.00	93.0	70.8	87.4	72.7
7/25/2010	81.6	57.3	100	45	.318	1.82	1366	1364	2157	.00	92.0	66.2	85.9	69.2
7/24/2010	76.9	61.5	100	54	.317	2.74	1347	1345	2128	.00	86.0	67.1	81.6	69.3
7/23/2010	79.6	60.0	100	54	.247	2.08	1328	1326	2099	.17	85.6	68.7	81.3	70.8
7/22/2010	82.4	68.0	100	69	.169	3.06	1308	1306	2069	.32	84.6	71.7	81.3	72.8
7/21/2010	83.6	60.9	100	43	.258	1.73	1283	1281	2034	.18	86.3	69.8	82.8	72.0
7/20/2010	80.0	61.4	100	46	.305	2.03	1261	1259	2002	.03	91.6	70.1	86.0	71.7
7/19/2010	79.2	56.2	100	41	.223	1.39	1240	1238	1971	.00	87.4	68.1	82.7	70.8
7/18/2010	77.9	59.3	100	41	.317	3.27	1222	1220	1943	.00	89.4	69.2	84.6	71.4
7/17/2010	93.2	62.8	100	47	.242	3.11	1203	1201	1914	.06	94.2	72.6	87.8	74.4
7/16/2010	86.9	63.0	91	37	.336	1.93	1179	1173	1876	.00	95.3	69.4	88.9	71.2
7/15/2010	82.4	56.0	93	40	.322	3.54	1155	1148	1841	.00	87.6	64.5	82.7	67.7
7/14/2010	82.5	60.1	100	44	.159	4.07	1136	1129	1812	.03	82.9	71.4	79.9	73.8
7/13/2010	81.1	60.7	88	62	.212	4.08	1115	1108	1781	.00	85.4	68.4	80.8	70.4
7/12/2010	76.1	54.4	99	39	.317	1.67	1094	1087	1750	.00	89.8	65.1	84.2	68.2
7/11/2010	76.9	56.3	100	49	.279	3.00	1079	1072	1725	.00	86.3	68.9	81.6	70.7
7/10/2010	88.2	64.6	93	50	.205	3.17	1062	1055	1698	.15	90.6	72.9	84.8	74.7
7/09/2010	83.7	58.5	100	41	.342	1.27	1037	1029	1662	.00	95.4	68.5	88.8	70.6
7/08/2010	80.3	60.0	96	39	.338	2.32	1016	1008	1631	.00	90.1	64.9	84.0	67.7
7/07/2010	73.1	61.0	100	63	.201	2.22	996	988	1601	.53	79.8	69.5	80.2	71.9
7/06/2010	80.1	61.4	100	32	.336	2.03	979	971	1574	.01	94.2	69.4	87.8	71.4
7/05/2010	81.8	62.6	100	49	.244	1.23	958	950	1543	.00	88.3	68.5	83.0	70.4
7/04/2010	80.2	66.0	100	55	.209	3.13	936	928	1511	.78	82.7	72.8	83.2	75.3
7/03/2010	90.5	74.4	82	51	.292	6.21	913	905	1478	.00	92.8	75.2	88.0	75.7
7/02/2010	87.4	67.4	82	47	.322	6.89	883	873	1436	.00	90.1	71.5	85.3	72.8
7/01/2010	87.9	66.7	84	34	.351	6.08	857	846	1399	.00	90.8	69.4	85.1	70.6

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