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)
2026-08-31 05:00	5.22	6.008	95.9	2.826	0.746	230.5	0.567	-1.598	299.2	5.599	0.04	2	30.38
2026-08-31 06:00	5.151	5.656	95.9	2.613	0.983	223.7	0.955	1.753	315.6	6.062	0.03	1	30.38
2026-08-31 07:00	5.573	6.179	95.5	2.744	0.87	235.7	4.906	31.46	319.3	6.967	0.03	1	30.38
2026-08-31 08:00	6.037	8.06	90.3	2.254	0.539	260.9	22.04	147.3	296	9.1	0.02	0	30.39
2026-08-31 09:00	7.979	11.29	71.81	2.172	0.613	216.4	63.82	398	274.3	14.5	0.03	0	30.39
2026-08-31 10:00	11.15	12.56	62.52	3.283	0.936	117.3	85	550.1	297.3	19.53	0.02	0	30.4
2026-08-31 11:00	10.28	12.21	72.83	3.201	0.841	109.6	37.29	256.3	337.8	16.7	0.01	0	30.4
2026-08-31 12:00	8.77	10.29	88.3	4.067	1.332	88.7	23.08	163.7	344.9	14.32	0.01	0	30.4
2026-08-31 13:00	7.728	8.85	91.3	4.002	1.027	19.05	18.71	148.3	351.4	13.43	0.02	0	30.4
2026-08-31 14:00	7.106	7.853	91.6	3.512	1.003	241.5	22.2	174.9	348.4	13.17	0.03	0	30.4
2026-08-31 15:00	6.726	7.445	91.6	3.659	1.058	265.2	22.82	177.2	346.3	12.96	0.04	1	30.38
2026-08-31 16:00	6.136	6.98	93.5	4.149	1.108	249.4	11.44	85.5	344.1	11.22	0.04	1	30.38
2026-08-31 17:00	5.725	6.163	94	3.61	1.212	253.1	9.82	71.9	341.1	10.08	0.05	1	30.37
2026-08-31 18:00	5.797	6.136	94.8	3.071	0.927	248.4	9.23	66.45	319.5	9.77	0.05	2	30.36
2026-08-31 19:00	5.6	6.15	96.5	2.532	0.566	240.9	1.854	7.98	304.4	8.2	0.05	2	30.35
2026-08-31 20:00	4.686	5.629	97.8	1.307	0.577	263.1	0.599	-2.327	262.8	5.635	0.05	2	30.35
2026-08-31 21:00	4.489	5.18	97	2.156	0.695	264.2	0.679	-1.756	278.9	4.973	0.04	2	30.35
2026-08-31 22:00	4.644	5.375	97.6	2.63	1.042	243.7	0.656	-1.406	292.3	5.031	0.04	2	30.36
2026-08-31 23:00	4.67	5.263	98.1	2.728	0.713	241.5	0.56	-1.632	283.4	4.592	0.04	2	30.37
2026-09-01 01:00	4.406	4.951	96.6	2.679	0.784	248.5	0.567	-1.365	291.9	4.405	0.04	2	30.37
2026-09-01 02:00	4.406	4.937	97.7	2.581	0.864	220.3	0.555	-1.165	298.1	4.728	0.04	2	30.36
2026-09-01 03:00	4.462	4.713	97.9	2.613	0.884	219.7	0.535	-1.047	303.9	4.803	0.04	1	30.35
2026-09-01 04:00	4.39	5.25	97.9	3.642	1.019	223.9	0.535	-1.253	296.8	4.69	0.04	2	30.35
2026-09-01 05:00	3.896	4.63	98.4	1.911	1.124	251.1	0.42	-2.379	245.2	2.494	0.02	2	30.35
2026-09-01 06:00	3.121	3.995	98.9	1.633	0.774	233.7	0.625	-0.291	246.9	0.983	0.03	2	30.36
2026-09-01 07:00	3.207	5.405	95.4	1.111	0.302	248.6	28.13	109.2	265.8	3.232	0.02	1	30.37
2026-09-01 08:00	5.207	9.05	79.66	2.352	0.411	189.3	77.2	351.5	244.7	9.84	0.04	0	30.38
2026-09-01 09:00	8.26	9.54	79.43	3.316	1.019	125.1	96.4	570.9	251	15.68	0.03	0	30.38
2026-09-01 10:00	9.57	11.64	57.88	3.74	1.105	50.36	117.6	746.7	254.6	21.36	0.02	0	30.38
2026-09-01 11:00	11.33	12.94	52.32	4.851	1.362	51.11	116.3	756.1	275.2	24.17	0.01	0	30.38
2026-09-01 12:00	11.28	12.45	57.69	3.185	1.084	235.6	68.16	446.7	322.6	20.65	0.01	0	30.38
2026-09-01 13:00	12.17	13.3	51.45	4.361	1.279	232.6	71.2	476	307.9	21.67	0.01	0	30.38
2026-09-01 14:00	12.39	13.05	54.43	4.247	1.13	46.17	44.91	306	323	18.09	0.03	0	30.37
2026-09-01 15:00	7.952	12.76	92.4	2.826	0.772	269	17.71	128.4	348.1	13.27	0.05	0	30.37
2026-09-01 16:00	7.909	9.58	91.1	1.029	0.366	271.8	20.35	150.8	333.4	14.89	0.03	0	30.36
2026-09-01 17:00	8.9	9.87	90.5	0.964	0.289	263.1	18.39	140	324.4	14.28	0.04	0	30.36
2026-09-01 18:00	7.728	9.71	90.7	1.682	0.762	260.3	6.785	50.6	306.6	11.77	0.06	1	30.35
2026-09-01 19:00	6.403	7.741	87.1	2.385	0.715	258.2	1.797	7.608	262.6	8.15	0.05	2	30.35
2026-09-01 20:00	5.023	7.461	58.16	3.397	0.515	225	1.034	-3.886	236.5	5.128	0.05	2	30.36
2026-09-01 21:00	4.657	7.6	78.16	3.626	0.779	211.4	1.22	-3.317	234.1	3.239	0.03	2	30.37
2026-09-01 22:00	3.981	4.686	83.3	1.519	0.689	264	0.847	-3.388	234.7	2.488	0.03	2	30.38
2026-09-01 23:00	3.912	4.419	84.1	1.47	0.612	259.1	0.9	-2.834	238.5	1.937	0.03	2	30.38
2026-09-02 01:00	5.375	6.235	77.53	1.176	0.54	258.2	0.604	0.137	324.6	5.556	-0.01	1	30.38
2026-09-02 02:00	5.207	6.417	74.96	2.238	0.918	254	0.411	-2.059	274.8	3.769	-0.01	2	30.37
2026-09-02 03:00	5.824	6.855	72.46	2.581	1.077	237.4	0.6	-1.841	277.4	2.935	-0.02	1	30.36
2026-09-02 04:00	6.051	7.106	81.5	2.875	0.933	237.8	0.27	-1.918	324.9	4.693	-0.01	1	30.37
2026-09-02 05:00	5.741	6.403	84.1	2.368	0.885	234.1	0.34	-2.477	295.4	4.043	0.01	1	30.36
2026-09-02 06:00	5.207	6.008	85.1	1.846	0.812	243.9	0.609	0.075	260.4	2.856	0.02	2	30.37
2026-09-02 07:00	5.25	7.642	76.64	1.878	0.532	252.2	16.7	84.2	259.3	4.191	0.04	1	30.37
2026-09-02 08:00	7.656	9.92	65.85	4.377	0.645	81.6	42.82	239.6	253.6	8.12	0.05	0	30.38
2026-09-02 09:00	9.84	11.85	51.25	5.292	1.539	36.2	98.1	587.2	257.8	14.87	0.04	0	30.37
2026-09-02 10:00	11.36	12.33	50.97	5.929	2.113	44.53	120.6	759.1	261.4	19.42	0.03	0	30.37
2026-09-02 11:00	11.53	12.83	53.39	5.276	1.833	30.81	92.3	608.1	307.9	20.39	0.02	0	30.38
2026-09-02 12:00	11.57	12.33	56.61	4.998	1.236	79.83	64.58	432.6	331.2	18.51	0.01	0	30.37
2026-09-02 13:00	12.11	14.11	47.2	5.014	1.347	141.2	102.9	681.7	294.1	23.02	0.01	0	30.36
2026-09-02 14:00	12.86	14.6	49.81	4.361	1.097	221.1	64.05	433.3	297	20.38	0.01	0	30.35
2026-09-02 15:00	11.91	14.25	57.01	6.582	1.398	242.7	40.16	273.8	327.1	17.28	0.02	0	30.34
2026-09-02 16:00	7.092	11.91	89.7	4.002	1.123	257.4	11.36	83.4	344.8	12.26	0.03	0	30.36
2026-09-02 17:00	7.261	8.42	84.8	2.434	0.902	238.2	13.86	94	318.1	12.53	0.04	1	30.35
2026-09-02 18:00	6.499	8.39	93.9	3.479	0.753	235.2	4.78	26.36	336.3	10.29	0.04	2	30.36
2026-09-02 19:00	5.642	6.726	89.9	3.103	0.953	249.5	2.973	12.11	255.9	7.615	0.03	3	30.35
2026-09-02 20:00	5.418	6.107	89.6	2.875	1.017	234	1.23	-3.093	242.6	5.318	0.03	2	30.34
2026-09-02 21:00	4.812	5.781	91.1	2.14	0.863	228.3	0.852	-3.203	243.3	4.133	0.03	2	30.35
2026-09-02 22:00	4.433	5.995	92.4	2.336	0.63	243.9	0.929	-3.218	247.1	3.33	0.04	2	30.34
2026-09-02 23:00	4.433	6.051	89.6	2.091	0.782	264.8	1.049	-1.163	296.2	4.799	0.04	1	30.34
2026-09-03 01:00	5.712	7.445	84.3	2.826	0.684	248.4	0.811	-0.688	306.4	5.287	0.03	1	30.33
2026-09-03 02:00	6.248	7.29	83.3	2.613	0.713	242	0.575	-2.062	273.7	3.977	0.03	2	30.33
2026-09-03 03:00	6.235	7.191	83.1	2.63	0.639	244.9	0.443	-1.702	286.4	3.935	0.03	2	30.33
2026-09-03 04:00	5.613	7.148	85.1	2.303	0.547	241.3	0.482	-2.312	266.9	3.126	0.03	2	30.32
2026-09-03 05:00	4.601	6.08	87.7	2.205	0.499	243.4	0.447	-3.298	245.8	1.546	0.03	3	30.31
2026-09-03 06:00	3.8	4.601	89.7	1.241	0.415	267.3	0.773	-0.478	238.2	0.595	0.04	2	30.32
2026-09-03 07:00	3.757	7.148	73.73	2.189	0.507	285.3	21.71	92.9	238.8	2.889	0.03	1	30.33
2026-09-03 08:00	7.178	9.39	63.63	3.642	0.694	100.2	75.09	347.6	264.5	9.57	0.02	0	30.34
2026-09-03 09:00	8.87	10.32	58.69	4.622	1.33	26.82	95.4	574.2	262.7	14.7	0.02	0	30.34
2026-09-03 10:00	10.26	12.21	48.41	4.018	1.087	131.1	120.7	757.4	250.4	21.43	0.02	0	30.34
2026-09-03 11:00	11.23	12.57	40.96	3.985	1.466	223.2	135.3	864	248.4	25.38	0.03	0	30.35
2026-09-03 12:00	12.56	13.6	41.53	4.884	1.493	21.68	148.4	939	252.6	27.6	0.02	0	30.34
2026-09-03 13:00	13.12	14.6	47.69	5.014	1.281	219.7	132.7	843	284.7	28.3	0.02	0	30.34
2026-09-03 14:00	13.5	14.95	46.69	4.116	1.273	240.3	119.3	765.3	291.6	28.25	0.01	0	30.34
2026-09-03 15:00	13.64	15.07	39.22	4.377	1.252	23.93	97.3	628.6	273.9	24.81	0.03	0	30.33