Swamp Angel Study Plot Full Hourly Data – Center for Snow and Avalanche Studies

Datetime	Minimum Air Temperature (C°), Lower	Maximum Air Temperature (C°), Lower	Relative Humidity (%), Lower	Peak Wind Gust (ms), Upper	Wind Speed (ms)	Wind Direction (°), Upper	Solar Radiation-Down Looking, Broadband (W/m²)	Solar Radiation-Up Looking, Broadband (W/m²)	Longwave Radiation-Up Looking (W/m²)	Snow Surface Temperature (C°)	Snow Depth (m)	SWE (mm)	Barometer (inHg)
2025-11-02 11:00	9.19	10.9	39.93	6.092	1.783	219.2	107.2	593.2	231.7	24.34	0.01	0	30.4
2025-11-02 12:00	10.45	11.33	38.68	5.635	1.581	210.6	119.1	646.6	234.2	29.77	0.02	0	30.4
2025-11-02 13:00	10.53	11.46	36.15	6.942	2.202	215.5	117	641.3	235.3	31.34	0.02	0	30.38
2025-11-02 14:00	10.95	11.66	32.84	6.664	1.719	216	100.8	570.7	234.3	29.61	0.02	0	30.37
2025-11-02 15:00	10.92	11.52	31.67	4.818	1.711	213.8	69.86	436.3	231.6	23.54	0.02	0	30.37
2025-11-02 16:00	6.7	11.19	41.27	3.528	1.214	151.4	3.671	22.3	228.9	6.846	0.01	0	30.36
2025-11-02 17:00	4.307	6.67	48.82	1.65	0.76	263.7	0.975	11.15	223.1	0.03	0.01	1	30.37
2025-11-02 18:00	2.801	4.307	52.84	1.421	0.71	272.2	0.113	-2.731	219.6	-2.912	0.01	1	30.37
2025-11-02 19:00	1.997	2.814	53.37	1.225	0.593	266.1	0.149	-3.756	217.4	-4.681	0.01	1	30.37
2025-11-02 20:00	1.896	3.559	47.9	1.846	0.942	274.9	0.471	-2.803	217.6	-5.229	0.01	1	30.38
2025-11-02 21:00	2.419	3.728	50.19	1.927	1.155	263.5	0.008	-3.363	217.4	-5.611	0.01	1	30.38
2025-11-02 22:00	1.447	2.433	53.13	1.16	0.664	265.5	-0.077	-3.873	213.4	-6.827	0.01	1	30.39
2025-11-02 23:00	0.969	1.784	49.47	1.454	0.915	259.5	0.153	-3.397	210.5	-7.041	0	1	30.39
2025-11-03 01:00	0.814	1.252	45.19	1.65	0.917	250.2	0.198	-3.575	208.3	-7.512	0	1	30.38
2025-11-03 02:00	0.94	3.362	46.23	4.263	1.112	235.6	0.203	-3.516	210.4	-7.423	0	1	30.37
2025-11-03 03:00	1.025	1.546	44.91	1.584	0.871	256.8	0.049	-3.591	214.1	-7.662	0.01	1	30.36
2025-11-03 04:00	0.884	1.559	44.56	1.601	0.669	266.9	0.13	-3.106	218.7	-7.52	0	1	30.36
2025-11-03 05:00	0.897	2.109	37.42	2.303	1.06	262.6	0.25	-2.594	220.2	-7.277	0	1	30.36
2025-11-03 06:00	1.378	2.278	37.06	2.27	1.406	258.3	0.019	-2.887	226.9	-6.745	-0	1	30.36
2025-11-03 07:00	0.983	1.856	39.42	2.172	1.069	273.8	0.805	2.072	223.7	-6.797	0	1	30.36
2025-11-03 08:00	1.573	3.546	39.66	2.172	0.773	256	8.41	50.97	230.8	-4.321	0	0	30.36
2025-11-03 09:00	3.306	9.11	29.83	3.985	0.904	167.6	58.62	301.3	260.4	8.2	0.01	0	30.36
2025-11-03 10:00	8.68	10.04	30.1	3.855	1.028	169	51.19	306.6	277.2	11.7	0.01	0	30.36
2025-11-03 11:00	9.54	10.2	29.3	4.198	0.994	203.9	43.58	278.4	283.2	12.83	0.01	0	30.36
2025-11-03 12:00	9.47	11.09	28.27	4.802	1.209	251.5	84.3	488.8	277.9	20.63	0.01	0	30.35
2025-11-03 13:00	10.19	11.04	30.58	4.867	1.544	268.3	109.7	633.5	260.7	29.84	0.01	0	30.33
2025-11-03 14:00	10.22	11.12	31.68	4.818	1.476	171.5	89.6	527.2	251.6	27.35	0.02	0	30.32
2025-11-03 15:00	9.43	10.98	33.92	5.227	1.338	197	53.86	340.6	257.1	20.44	0.02	0	30.31
2025-11-03 16:00	7.544	9.73	39.31	5.194	1.226	264.7	10.52	72.55	237.5	7.876	0.01	0	30.3
2025-11-03 17:00	6.179	7.573	41.42	3.789	1.466	234.5	2.37	17.63	223.6	1.699	0.01	1	30.3
2025-11-03 18:00	4.812	6.219	43.15	4.541	1.363	246.1	0.191	-3.1	215.3	-1.53	0.01	1	30.3
2025-11-03 19:00	1.77	4.812	53.77	2.842	1.019	253.3	-0.343	-4.794	211.5	-4.304	0.01	1	30.32
2025-11-03 20:00	1.477	2.307	48.72	2.581	1.333	253.3	0.155	-3.805	207.7	-5.367	0	1	30.33
2025-11-03 21:00	1.025	2.278	48.09	2.189	1.167	250.8	0.152	-3.952	203.3	-6.566	0.01	1	30.33
2025-11-03 22:00	0.686	1.701	52.86	2.646	1.389	259.7	0.118	-3.719	202.5	-6.86	0.01	1	30.33
2025-11-03 23:00	0.011	1.025	52.28	2.123	1.316	255.8	0.086	-3.829	201.4	-7.098	0.01	1	30.33
2025-11-04 01:00	-0.608	1.364	44.53	2.956	1.371	249.9	0.398	-3.534	194	-7.54	0.01	1	30.32
2025-11-04 02:00	0.729	1.941	37.37	3.593	1.297	255.1	0.208	-3.898	194.4	-7.501	0.01	1	30.32
2025-11-04 03:00	-0.944	1.364	41.39	2.172	1.011	268.7	-0.071	-4.121	193.8	-8.45	0.01	1	30.32
2025-11-04 04:00	-1.126	-0.312	46.42	2.009	1.22	271.6	0.236	-3.22	198.3	-8.22	0.01	1	30.31
2025-11-04 05:00	-1.353	-0.776	47.48	1.96	1.287	266.6	0.218	-3.31	196.5	-8.39	0.01	1	30.31
2025-11-04 06:00	-2.069	-1.182	48.41	1.927	1.147	271.7	0.191	-3.438	193.2	-8.73	0.02	1	30.32
2025-11-04 07:00	-1.874	-1.495	47.8	2.238	1.273	270.9	0.702	-0.098	192.8	-8.67	0.01	1	30.32
2025-11-04 08:00	-1.719	-0.621	47.29	1.862	0.835	271.1	4.449	28.23	196.7	-7.748	0.01	1	30.33
2025-11-04 09:00	-0.608	5.333	30.8	2.646	0.684	85.8	64.98	303.3	210.1	4.968	0.01	0	30.34
2025-11-04 10:00	4.924	6.43	27.45	4.018	1.093	105.6	72.65	379.3	215.6	11.51	0.01	0	30.35
2025-11-04 11:00	6.094	7.728	23.84	4.132	1.587	224.7	103.4	575.9	217.3	21.36	0.02	0	30.34
2025-11-04 12:00	7.501	8.91	23.95	4.051	1.451	225.4	110.4	594.4	211.1	25.05	0.02	0	30.33
2025-11-04 13:00	8.22	9.23	23.76	3.838	1.754	229.3	109	593.8	214.6	27.79	0.02	0	30.32
2025-11-04 14:00	8.84	9.61	21.7	4.116	1.69	243.8	101.3	566.2	213.1	27.79	0.01	0	30.31
2025-11-04 15:00	8.27	9.78	24.34	4.524	1.425	231.1	69.01	430.1	213.5	22.06	0.02	0	30.31
2025-11-04 16:00	6.008	8.29	29.92	4.41	1.35	228.1	2.144	23.99	212.9	4.113	0.01	1	30.32
2025-11-04 17:00	2.716	6.008	39.41	2.319	0.806	267.8	1.043	11.02	208.9	-1.534	0.01	1	30.33
2025-11-04 18:00	2.067	3.234	36.92	2.254	0.823	276.2	0.335	-2.999	204.1	-4.539	0	1	30.34
2025-11-04 19:00	0.758	2.39	38.51	1.797	0.907	283.4	0.074	-4.125	198.6	-6.269	0	1	30.34
2025-11-04 20:00	-0.114	1.039	38.11	1.601	0.847	283.3	0.178	-3.868	193.6	-7.472	0.01	2	30.35
2025-11-04 21:00	-0.424	0.109	37.81	1.388	0.794	276.6	0.359	-3.59	190.6	-8.11	0.01	2	30.36
2025-11-04 22:00	-1.382	-0.408	37.42	1.699	0.921	251.9	0.216	-3.936	188.6	-8.72	0.01	2	30.36
2025-11-04 23:00	-1.396	0.067	36.33	2.858	0.987	236.4	0.411	-3.984	185.9	-8.78	0	2	30.37
2025-11-05 01:00	-1.972	-0.846	36.82	2.45	1.153	256.8	0.23	-3.69	187.9	-9.03	-0	1	30.37
2025-11-05 02:00	-1.916	-0.888	37.09	2.287	1.333	239.4	0.318	-3.512	190.5	-9.05	0.01	2	30.36
2025-11-05 03:00	-1.353	-0.157	35.34	4.851	1.603	228.7	0.323	-3.534	191.2	-8.06	0.01	1	30.37
2025-11-05 04:00	-1.804	-0.101	37.82	3.446	1.334	252.2	0.049	-3.793	192.1	-8.59	0.01	1	30.37
2025-11-05 05:00	-1.689	0.179	32.92	3.757	1.566	256.6	0.198	-3.502	191.8	-8.25	0.01	1	30.37
2025-11-05 06:00	-1.86	0.716	30.84	3.446	1.557	248.4	0.318	-3.362	192.1	-8.47	0.01	1	30.37
2025-11-05 07:00	-1.113	-0.015	31.13	3.316	1.307	258	0.312	-0.817	190.3	-8.9	0.01	1	30.37
2025-11-05 08:00	-1.396	0.729	30.68	3.365	1.347	236.8	2.394	18.6	189.1	-8.32	0.01	1	30.38
2025-11-05 09:00	0.729	5.896	19.62	3.348	0.982	179.8	69.89	313.1	192	5.215	0.01	0	30.38
2025-11-05 10:00	5.856	8.08	16.05	3.61	1.055	189.3	94.7	474.5	196.3	15.75	0.02	0	30.38
2025-11-05 11:00	7.728	9.8	15.17	4.296	1.208	137.4	106	589.6	200.3	22.22	0.02	0	30.38
2025-11-05 12:00	9.42	11.07	13.61	6.435	1.533	59.12	120.6	645.1	205.4	26.39	0.02	0	30.38
2025-11-05 13:00	10.53	11.57	15.08	3.936	1.479	219.6	117.9	635.4	210.3	30.79	0.02	0	30.36
2025-11-05 14:00	10.92	11.62	17.32	4.198	1.372	244	100.3	561.3	214.7	28.87	0.02	0	30.35
2025-11-05 15:00	9.67	11.01	20.13	4.263	1.418	225.7	68.23	426.9	216.8	22.61	0.02	0	30.34
2025-11-05 16:00	5.629	9.71	25.78	4.132	1.323	245.3	1.317	22.77	216.6	4.135	0.02	0	30.33
2025-11-05 17:00	5.418	7.218	33.92	3.577	1.184	250.9	1.507	11.45	215.5	-0.304	0.01	1	30.33
2025-11-05 18:00	3.065	5.685	39.22	2.205	0.929	242.3	-0.282	-4.203	209.6	-3.908	0.01	1	30.32
2025-11-05 19:00	2.87	4.937	34.67	3.708	1.414	231.2	0.37	-3.832	208.9	-4.593	0.02	1	30.32
2025-11-05 20:00	3.375	4.35	36.07	2.777	1.151	234.2	-0.031	-3.854	221.4	-4.567	0.02	1	30.32
2025-11-05 21:00	1.784	3.757	40.11	2.254	0.898	249.3	-0.164	-3.948	219.1	-5.961	0.01	1	30.32