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)
2026-05-26 20:00	3.688	5.543	84.7	2.27	0.634	91	0.712	2.1	305.7	8.18	0.03	1	30.07
2026-05-26 21:00	2.913	3.701	81.2	1.29	0.585	257.3	0.403	-2.696	267.4	4.869	0.02	1	30.08
2026-05-26 22:00	2.686	3.306	83.9	2.156	0.648	257.2	0.596	-2.597	256.2	2.597	0.01	1	30.1
2026-05-26 23:00	1.645	2.729	87.4	1.437	0.773	253.2	0.437	-3.29	237.7	0.663	0.01	2	30.1
2026-05-27 01:00	0.392	0.926	91.4	1.094	0.721	256	0.587	-3.015	227	-1.754	-0	2	30.09
2026-05-27 02:00	0.139	0.603	90.9	1.274	0.752	242.7	0.607	-3.132	223.9	-2.39	-0.01	1	30.1
2026-05-27 03:00	0.179	1.364	88.9	2.156	0.969	241.7	0.705	-2.761	228.2	-2.5	0.01	1	30.1
2026-05-27 04:00	1.052	1.84	88.4	1.846	0.963	247.1	0.49	-2.436	251.2	-1.623	-0	1	30.11
2026-05-27 05:00	1.14	1.856	89.5	2.27	0.78	231.8	0.374	-1.28	277.2	-0.551	-0.01	1	30.11
2026-05-27 06:00	1.701	3.445	81.1	2.613	0.754	248.8	13.44	76.85	243.8	0.717	-0	0	30.12
2026-05-27 07:00	3.418	5.543	72.18	2.793	0.914	91.6	45.73	269.6	267.9	9.88	0.02	0	30.14
2026-05-27 08:00	4.39	5.725	63.08	3.855	0.887	271.3	28.91	193.9	253.8	9.08	-0	0	30.15
2026-05-27 09:00	5.573	7.487	45.77	5.635	1.366	259.6	70.67	458.5	258.7	18.1	0.01	0	30.15
2026-05-27 10:00	7.386	8.95	37.7	6.468	1.928	50.98	131.9	856	239.6	35.68	0.02	0	30.16
2026-05-27 11:00	8.46	10.19	25.34	6.762	1.893	297.2	153.3	1007	226.5	49.06	0.04	0	30.16
2026-05-27 12:00	9.8	10.82	22.58	6.435	1.761	182.2	162.1	1070	224.7	57.74	0.05	0	30.16
2026-05-27 13:00	9.91	11.74	27.29	6.37	1.941	239.3	162.8	1083	230.6	57.42	0.05	0	30.16
2026-05-27 14:00	10.9	12.12	29.29	5.586	1.964	241.3	160.7	1083	250.9	62.3	0.05	0	30.16
2026-05-27 15:00	11.81	12.83	26.07	5.292	1.85	251.8	138.4	944	243.9	57.01	0.04	0	30.16
2026-05-27 16:00	12.06	12.79	24.55	5.227	1.542	211.1	108.2	750.1	233.7	46.65	0.04	0	30.15
2026-05-27 17:00	11.53	12.84	24.21	5.586	1.597	260.1	66.2	475.5	232.9	34.25	0.04	0	30.15
2026-05-27 18:00	9.77	11.54	28.61	5.39	1.615	250.5	16.23	36.7	231.7	13.66	0.03	0	30.16
2026-05-27 19:00	6.614	9.81	38.15	3.691	1.215	251.3	2.332	18.04	227.9	7.829	0.02	1	30.17
2026-05-27 20:00	4.531	7.023	53.83	1.78	0.843	270.9	0.682	-1.112	225.6	4.407	0.02	2	30.18
2026-05-27 21:00	3.744	4.502	53.82	1.486	0.817	282.3	0.629	-3.921	224.5	2.429	0.03	2	30.19
2026-05-27 22:00	3.632	4.206	54.08	1.862	1.117	275.2	0.626	-3.256	225.8	1.33	0.03	1	30.2
2026-05-27 23:00	3.065	3.77	52.1	1.633	0.853	271.8	0.566	-3.31	228	0.426	0.04	1	30.21
2026-05-28 01:00	4.657	5.685	53.37	3.054	1.497	240.8	0.349	-3.555	230.2	-0.182	0.03	1	30.2
2026-05-28 02:00	4.798	6.051	43.2	3.969	1.23	241.2	0.369	-3.86	223.9	-0.896	0.04	1	30.2
2026-05-28 03:00	4.093	5.981	51.1	4.312	1.057	245.9	0.157	-4.144	219.6	-1.508	0.03	1	30.2
2026-05-28 04:00	2.63	4.235	58.84	2.091	1.107	255.7	0.055	-4.07	217.4	-2.723	0.04	2	30.21
2026-05-28 05:00	1.984	2.927	61.55	2.466	1.104	250.6	0.411	-2.668	215.2	-3.329	0.03	2	30.22
2026-05-28 06:00	1.915	6.094	40.72	2.989	0.941	231.9	13.72	75.9	212.7	-1.711	0.04	0	30.23
2026-05-28 07:00	6.107	8.16	33.38	3.446	1.207	262	55.63	296.6	212.7	8.73	0.03	0	30.23
2026-05-28 08:00	7.669	9.9	25.68	4.23	1.187	258.8	87.1	514.9	213.3	20.4	0.03	0	30.24
2026-05-28 09:00	9.58	10.77	26.34	6.207	1.62	254.9	116.4	714.6	218.6	32.15	0.04	0	30.25
2026-05-28 10:00	10.47	11.87	24.39	5.978	1.526	271.2	137.7	879	225.3	44.72	0.04	0	30.25
2026-05-28 11:00	11.37	12.86	22.67	5.194	1.695	260.4	153.1	1000	230.6	54.94	0.05	0	30.24
2026-05-28 12:00	11.98	13.26	28.43	6.501	1.832	251.9	162	1066	233.2	61.82	0.04	0	30.24
2026-05-28 13:00	12.91	14.22	23.6	5.047	1.724	261.6	161.7	1072	236.5	60.77	0.05	0	30.23
2026-05-28 14:00	13.42	14.5	22.7	5.717	1.769	203.7	151.7	1021	238.3	61.11	0.05	0	30.23
2026-05-28 15:00	13.94	15.29	23.81	6.043	1.635	126.9	140.8	957	253.9	59.13	0.05	0	30.22
2026-05-28 16:00	13.57	14.84	23.49	6.043	1.639	16.98	105.2	722	275	48.41	0.05	0	30.21
2026-05-28 17:00	11.17	13.63	26.22	6.501	1.636	248.1	45.1	311	297.5	29.3	0.05	0	30.2
2026-05-28 18:00	7.979	12.68	40.48	8.2	2.464	31.93	7.547	48.57	318.8	16.45	0.05	0	30.21
2026-05-28 19:00	6.7	8.74	53.37	4.443	0.942	27.3	7.168	42.08	278.3	12.34	0.04	1	30.21
2026-05-28 20:00	5.501	6.868	51.79	3.283	0.993	241.6	1.036	0.239	245.9	7.203	0.03	1	30.2
2026-05-28 21:00	4.951	5.896	49.38	1.764	0.996	260.1	0.528	-4.027	232.7	3.891	0.04	2	30.2
2026-05-28 22:00	3.995	5.039	54.08	1.405	0.826	268	0.502	-3.829	230.2	2.22	0.03	2	30.21
2026-05-28 23:00	3.84	6.037	52.21	3.626	0.789	258.2	0.805	-0.667	304.1	5.06	0.04	1	30.21
2026-05-29 01:00	1.915	3.757	81.2	1.552	0.39	271.6	0.295	-3.582	256.7	2.444	0.04	2	30.21
2026-05-29 02:00	1.14	2.251	79.07	2.042	0.815	261.2	0.518	-3.126	233.4	0.316	0.04	2	30.19
2026-05-29 03:00	0.87	2.235	71.97	1.633	0.677	269.3	0.749	-2.013	250.6	0.26	0.03	2	30.19
2026-05-29 04:00	1.546	2.222	68.2	1.552	0.835	269.2	0.578	-2.403	240.7	-0.649	0.03	2	30.19
2026-05-29 05:00	0.462	1.84	71.85	1.944	0.819	273.6	0.472	-2.315	218	-2.399	0.04	3	30.18
2026-05-29 06:00	0.491	4.518	50.96	2.123	0.625	254.9	13.05	75.53	218.4	-1.165	0.03	1	30.18
2026-05-29 07:00	4.531	7.05	36.77	4.051	1.017	284.6	53.99	289.3	221.7	8.35	0.04	0	30.18
2026-05-29 08:00	6.726	7.936	37.48	5.423	1.441	309.4	69.6	416.2	226.4	15.82	0.04	0	30.17
2026-05-29 09:00	7.936	9.7	31.67	7.334	1.74	297.1	110.2	681.4	244.5	30.11	0.04	0	30.16
2026-05-29 10:00	7.784	9.54	34.71	6.37	1.649	267.2	96.5	619.5	248.2	34.73	0.04	0	30.16
2026-05-29 11:00	7.755	9.4	34.13	4.492	1.484	277.3	72.05	476.5	287	27.25	0.05	0	30.15
2026-05-29 12:00	8.43	10.15	33.69	5.57	1.548	75.49	67.04	450.6	287.6	27.66	0.04	0	30.14
2026-05-29 13:00	8.75	10.98	30.29	6.043	1.743	107.7	119.2	797.7	259.5	39.1	0.05	0	30.12
2026-05-29 14:00	10.29	12.37	26.23	5.553	1.805	32.28	126.6	851	263.4	46.18	0.05	0	30.11
2026-05-29 15:00	10.26	12.54	27.72	7.53	1.926	237	113.6	767.7	278.9	46.92	0.05	0	30.1
2026-05-29 16:00	10.32	12.32	23.9	6.06	1.719	248.1	88.1	594.8	278.2	35.99	0.05	0	30.09
2026-05-29 17:00	10.08	11.5	27.58	6.419	1.949	261.1	57.46	404.1	279.8	28.83	0.05	0	30.08
2026-05-29 18:00	6.7	10.16	46.54	8.9	1.915	290.2	11.78	78.33	301.5	15.22	0.03	0	30.08
2026-05-29 19:00	6.598	7.642	38.23	5.423	1.374	251.1	7.429	43.85	297.8	11.15	0.03	1	30.07
2026-05-29 20:00	7.33	8.09	29.3	4.786	1.494	248.7	0.633	-0.136	288.8	8.03	0.03	1	30.07
2026-05-29 21:00	6.206	7.586	31.57	6.795	1.625	250.8	0.22	-3.052	262.9	5.362	0.04	1	30.08
2026-05-29 22:00	3.108	6.219	46.14	6.599	2.213	241.7	-0.018	-2.733	266.7	4.311	0.04	1	30.11
2026-05-29 23:00	1.124	3.138	55.69	6.027	2.78	241	0.193	-3.62	211.2	0.81	0.04	1	30.11
2026-05-30 01:00	0.152	1.052	59.59	3.757	1.291	238.9	0.482	-4.011	201.2	-2.214	0.05	2	30.11
2026-05-30 02:00	-0.338	0.35	58.43	5.766	1.842	257.1	0.453	-3.64	198	-2.717	0.05	2	30.11
2026-05-30 03:00	-1.057	-0.213	52.97	5.21	1.357	236.8	0.479	-3.946	192.8	-3.859	0.05	2	30.1
2026-05-30 04:00	-1.452	-0.707	52.99	4.769	1.264	243.8	0.501	-4.095	188.6	-4.921	0.05	2	30.1
2026-05-30 05:00	-1.916	-1.353	50.61	3.201	1.177	230.1	0.743	-2.561	184.1	-5.929	0.06	2	30.1
2026-05-30 06:00	-2.183	-0.368	45.67	5.014	0.831	262.9	14.6	79.05	184.5	-4.955	0.05	1	30.1
2026-05-30 07:00	-0.394	1.252	42.24	4.083	1.112	228.1	58.92	302.3	189.8	6.175	0.05	0	30.12