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)	Hourly Precipitation (mm)	Barometer (inHg)
2025-03-28 17:00	-0.875	1.223	78.08	3.708	1.007	243.4	68.36	89.8	303.4	-0.964	1.64	603	0	30
2025-03-28 18:00	-2.563	-0.862	88.1	3.642	1.137	264.9	45.55	59.05	294.5	-1.455	1.65	604	0	30
2025-03-28 19:00	-2.83	-2.536	90.9	4.377	1.277	257	3.139	2.997	295.5	-1.963	1.65	604	0	29.99
2025-03-28 20:00	-2.83	-2.45	90.9	3.871	1.173	246.7	0.251	-0.531	293.8	-2.4	1.66	605	0	29.99
2025-03-28 21:00	-2.859	-2.747	90.7	3.218	0.882	265.7	0.197	-0.519	296.9	-2.587	1.66	605	0	29.99
2025-03-28 22:00	-3.027	-2.787	89.7	2.483	0.862	248.4	0.188	-0.609	299.8	-2.946	1.66	606	1	29.99
2025-03-28 23:00	-3.268	-2.985	91.8	2.94	0.894	256.1	0.14	-0.721	300.7	-3.31	1.66	606	0	29.98
2025-03-29 00:00	-5.967	-5.799	91.4	1.895	0.247	79.39	0.167	-0.839	284.9	-6.694	1.63	615	0	29.94
2025-03-29 01:00	-3.366	-3.268	91.4	2.254	0.839	255.8	0.106	-0.828	300	-4.309	1.68	608	0	29.96
2025-03-29 02:00	-3.703	-3.294	82.9	4.9	0.859	228.7	0.098	-0.91	299.5	-4.729	1.68	609	0	29.95
2025-03-29 03:00	-4.264	-3.548	89.9	2.45	0.39	240.7	-0.041	-1.448	296.9	-6.16	1.67	609	0	29.95
2025-03-29 04:00	-4.926	-4.122	90.9	1.388	0.49	229.1	-0.161	-1.457	294.9	-7.932	1.67	609	0	29.95
2025-03-29 05:00	-6.742	-4.913	88.4	1.519	0.483	252.3	-0.787	-2.702	289.7	-13.01	1.67	610	0	29.94
2025-03-29 06:00	-7.457	-6.499	91.9	1.323	0.636	268	-0.215	-2.66	283.2	-15.86	1.67	610	0	29.94
2025-03-29 07:00	-7.441	-5.276	87.9	2.352	1.029	246	51.71	36.59	282.9	-16.18	1.66	611	0	29.94
2025-03-29 08:00	-5.292	-2.424	72.16	3.332	0.882	215.1	221.9	158.5	303	-9.34	1.66	611	0	29.94
2025-03-29 09:00	-2.619	-1.409	70.27	4.051	1.227	209.8	415.5	328.7	310.2	-5.22	1.65	610	0	29.93
2025-03-29 10:00	-1.425	-0.437	59.98	4.083	1.314	88.2	609.6	613.6	230.5	-2.508	1.65	610	0	29.93
2025-03-29 11:00	-0.918	-0.045	55.87	5.194	1.552	131	611.2	782.5	227	-2.725	1.64	610	0	29.93
2025-03-29 12:00	-0.677	0.574	46.64	5.357	1.698	134.2	673.9	927	218.6	-2.784	1.64	610	0	29.93
2025-03-29 13:00	-0.071	1.025	42.29	5.798	1.671	124.3	685.4	950	224.2	-2.64	1.64	610	0	29.92
2025-03-29 14:00	0.63	1.49	45.37	4.361	1.433	116.3	567.8	803	241.5	-2.698	1.63	610	0	29.91
2025-03-29 15:00	-0.213	1.517	44.86	4.998	1.438	77.25	441.3	632.2	249.1	-2.805	1.63	610	0	29.9
2025-03-29 16:00	-0.002	1.14	48.75	5.815	1.525	115.5	336	493.5	245.1	-2.986	1.63	610	0	29.9
2025-03-29 17:00	-1.748	0.123	53.23	4.606	1.11	109.4	128.3	176.1	265.3	-3.046	1.63	610	0	29.91
2025-03-29 18:00	-1.788	-0.918	39.77	3.887	1.336	246.9	60.78	86.6	234.1	-4.595	1.63	610	0	29.91
2025-03-29 19:00	-2.648	-1.689	43.65	4.916	1.656	251.3	5.414	4.531	211.8	-6.901	1.63	610	0	29.92
2025-03-29 20:00	-2.816	-2.437	46.18	6.909	2.659	255.7	0.128	-3.307	186.3	-8.87	1.63	611	0	29.92
2025-03-29 21:00	-4.25	-2.787	58.13	3.348	0.931	246.6	-0.026	-3.733	198.5	-9.7	1.62	612	0	29.93
2025-03-29 22:00	-4.672	-4.25	72.59	3.659	0.825	259.4	0.241	-1.542	251.3	-7.992	1.63	613	0	29.94
2025-03-29 23:00	-5.882	-4.616	88.2	4.181	1.185	243.6	-0.076	-1.23	275.7	-7.002	1.63	615	0	29.95
2025-03-30 00:00	-9.51	-8.77	80.1	1.944	0.826	258.9	-0.208	-4.167	270.2	-20.23	1.65	623	0	30.06
2025-03-30 01:00	-5.967	-5.348	81.6	5.488	0.822	240.8	0.244	-0.8	288.2	-6.599	1.64	616	0	29.94
2025-03-30 02:00	-5.925	-5.417	71.28	6.337	1.543	230	0.079	-1.706	289.1	-8.41	1.65	616	0	29.94
2025-03-30 03:00	-6.317	-5.588	67.71	5.014	1.632	224.7	0.016	-2.725	287	-10.76	1.65	617	0	29.94
2025-03-30 04:00	-7.866	-6.29	67.81	5.178	1.767	232	-0.309	-4.205	280.6	-16.7	1.65	619	0	29.94
2025-03-30 05:00	-8.55	-7.513	60.18	6.452	2.401	229.7	-0.087	-3.942	216.9	-17.36	1.63	621	0	29.95
2025-03-30 06:00	-10.17	-8.43	56.12	4.051	1.352	238.4	0.828	-2.418	159.3	-20.45	1.64	622	0	29.97
2025-03-30 07:00	-8.77	-6.541	35.1	3.953	1.683	236.2	41.77	50.78	220.9	-14.12	1.64	622	0	29.97
2025-03-30 08:00	-6.587	-5.417	24.93	4.704	1.924	233	142.4	176.9	225.6	-12.4	1.64	621	0	29.98
2025-03-30 09:00	-5.463	-4.533	22.67	4.083	1.381	242.9	198.2	246	243.8	-10.82	1.63	619	0	29.99
2025-03-30 10:00	-4.56	-1.748	20.58	2.303	0.692	91.4	390.7	488.5	231.3	-7.809	1.63	615	0	29.99
2025-03-30 11:00	-2.816	-1.62	23.27	5.014	1.626	241.2	349.2	439	257.7	-7.474	1.63	613	0	29.99
2025-03-30 12:00	-2.296	-1	32.1	4.688	1.649	226.3	542.4	698.6	260.8	-4.434	1.63	610	0	29.98
2025-03-30 13:00	-2.747	-1.481	47.67	5.521	1.643	243.1	416.5	531.3	270.9	-4.952	1.63	610	0	29.98
2025-03-30 14:00	-4.533	-2.718	65.91	4.622	1.677	254.9	298.6	375.6	276.3	-4.779	1.63	611	0	29.99
2025-03-30 15:00	-4.29	-3.591	76.83	4.312	1.311	250.1	284.6	359.2	277	-4.195	1.63	612	0	29.98
2025-03-30 16:00	-4.969	-3.772	79.66	3.838	1.254	241.5	177.2	218.3	278.9	-4.862	1.63	613	0	29.99
2025-03-30 17:00	-5.094	-4.378	72.23	2.973	0.733	173.9	144.5	180	295.4	-5.889	1.64	614	1	29.99
2025-03-30 18:00	-5.292	-4.378	78.84	2.548	0.807	211.7	43.8	49.65	296.9	-5.987	1.65	615	0	29.99
2025-03-30 19:00	-5.404	-4.8	82.2	4.034	1.096	232.4	5.362	3.798	292.5	-6.528	1.65	616	0	30
2025-03-30 20:00	-5.588	-5.249	78.25	3.381	0.84	220.7	0.034	-1.707	290	-8.14	1.65	617	1	30.02
2025-03-30 21:00	-6.67	-5.276	80	3.169	0.68	227.9	-0.436	-3.34	286.1	-13.54	1.66	618	0	30.04
2025-03-30 22:00	-8.77	-6.162	85	1.682	0.644	270.2	-0.802	-4.149	279.2	-18.23	1.65	620	0	30.05
2025-03-30 23:00	-9.51	-8.78	85	1.486	0.877	261.2	-0.47	-4.128	271.7	-20.13	1.65	622	0	30.05
2025-03-31 00:00	-2.296	-1.593	50.57	5.488	2.174	251.4	-0.23	-1.22	269	-6.692	1.61	621	0	29.83
2025-03-31 01:00	-8.89	-5.687	72.29	3.316	1.051	253	0.216	-3.824	274	-18.12	1.65	624	0	30.05
2025-03-31 02:00	-6.403	-5.489	74.7	2.662	0.726	220.7	0.477	-1.717	285.8	-9.28	1.64	624	0	30.05
2025-03-31 03:00	-6.541	-5.545	83.3	1.454	0.426	260.6	-0.022	-1.804	286.9	-9.36	1.65	624	0	30.05
2025-03-31 04:00	-6.387	-5.476	79.88	1.176	0.242	244	0.285	-1.088	286.9	-7.967	1.64	623	0	30.05
2025-03-31 05:00	-5.839	-5.332	80.5	2.368	0.421	176.8	0.075	-1.638	288.3	-8.93	1.63	623	0	30.05
2025-03-31 06:00	-5.671	-4.702	70.71	3.969	1.278	210.8	0.61	-2.944	288.3	-12.15	1.64	624	0	30.05
2025-03-31 07:00	-5.911	-5.051	71.74	3.218	1.024	215.8	41.09	30.81	287	-14.59	1.63	624	0	30.05
2025-03-31 08:00	-5.094	-3.366	63.11	3.806	0.946	215.1	179.5	150	297.3	-10.16	1.64	623	0	30.05
2025-03-31 09:00	-3.406	-1.495	57.43	5.227	1.285	92.7	460.3	416.2	249.1	-6.761	1.64	621	0	30.04
2025-03-31 10:00	-1.999	-1.03	53.66	5.357	1.637	113.4	449.2	570.5	230.5	-4.942	1.63	617	0	30.04
2025-03-31 11:00	-1.126	0.334	50.71	5.537	1.532	199.8	458.3	581.7	252	-4.122	1.63	615	0	30.03
2025-03-31 12:00	0.067	1.065	41.46	6.076	2.147	257.3	537.6	695.4	237.2	-3.427	1.63	613	0	30.01
2025-03-31 13:00	0.307	1.856	32.52	7.448	2.399	248.7	583.4	776.5	227.4	-3.452	1.62	612	0	30
2025-03-31 14:00	1.546	2.32	31.21	7.628	2.617	253.7	636.8	884	207.2	-3.54	1.62	613	0	29.99
2025-03-31 15:00	1.223	2.291	33.5	8.3	2.693	258.6	421.8	592.5	243.4	-3.391	1.62	613	0	29.96
2025-03-31 16:00	0.574	1.348	38.35	7.709	2.732	254.4	198.7	267.7	265.8	-3.111	1.62	614	0	29.96
2025-03-31 17:00	0.366	0.716	43.78	7.432	2.646	256.5	89.9	117.1	272.8	-3.577	1.61	614	0	29.94
2025-03-31 18:00	0.096	0.518	44.89	6.125	2.645	253.3	28.21	35.8	280.7	-3.751	1.61	614	0	29.92
2025-03-31 19:00	0.04	0.235	38.54	7.007	2.468	257.9	3.004	2.91	273.5	-4.435	1.61	615	0	29.9
2025-03-31 20:00	-0.226	0.179	40.17	7.758	1.937	260	-0.183	-1.637	263.3	-5.486	1.61	616	0	29.89
2025-03-31 21:00	-0.552	-0.045	40.22	7.595	2.332	249.2	-0.204	-1.613	261.1	-6.12	1.61	618	0	29.88
2025-03-31 22:00	-1.099	-0.437	41.28	7.53	2.404	256.6	-0.232	-1.456	264.7	-6.525	1.61	619	0	29.86
2025-03-31 23:00	-1.607	-1.057	47.49	7.04	2.647	254.3	-0.235	-1.212	269.5	-6.605	1.61	620	0	29.84
2025-04-01 01:00	-2.899	-2.24	61.81	5.733	2.011	254.3	-0.182	-0.887	277.5	-6.454	1.61	621	0	29.81