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)
2026-08-08 14:00	19.35	21.31	20.46	3.806	1.172	177.9	107.6	657.5	325.6	36.32	0.01	0	30.49
2026-08-08 15:00	20.06	21.89	22.78	5.553	2.068	231.6	136.5	833	312	48.63	0.02	0	30.47
2026-08-08 16:00	19.18	20.13	22.16	5.178	2.182	236.7	39.84	245.5	334.8	29.65	0.01	0	30.47
2026-08-08 17:00	19.18	19.45	22.67	3.708	1.21	236.2	34.81	216.3	314.5	24.79	-0	0	30.46
2026-08-08 18:00	18.41	20.08	20.33	3.365	1.045	219.2	24.62	172.4	285.9	20.71	-0.02	0	30.46
2026-08-08 19:00	14.52	18.55	33.43	2.205	0.63	285.3	3.098	25.31	276.4	13.16	-0.03	0	30.46
2026-08-08 20:00	13.36	14.59	33.02	1.307	0.701	280	0.257	-3.127	271.1	9.23	-0.01	0	30.46
2026-08-08 21:00	12.46	13.5	35.68	1.895	0.787	285.8	0.294	-3.639	271.2	7.83	-0.01	0	30.46
2026-08-08 22:00	11.37	12.46	40.36	1.029	0.299	271.4	0.068	-3.167	295.1	7.503	-0.01	0	30.47
2026-08-08 23:00	11.67	12.8	39.38	1.045	0.369	270.4	0.616	-1.01	321	9.23	-0	0	30.46
2026-08-09 01:00	10.99	12.83	40.4	3.087	0.824	251.3	-0.088	-3.761	272.8	5.777	-0.01	2	30.45
2026-08-09 02:00	10.04	11.12	41.72	1.356	0.694	266.2	0	-3.859	264.1	4.021	-0.02	2	30.45
2026-08-09 03:00	9.65	10.4	43	1.258	0.592	265.8	0.208	-3.425	262	3.1	-0.01	2	30.44
2026-08-09 04:00	9.33	9.88	45.98	1.699	0.871	268.4	0.21	-3.145	260.6	2.686	0.01	2	30.44
2026-08-09 05:00	8.61	9.35	45.98	1.29	0.59	273.4	0.038	-3.277	259.5	1.952	-0	2	30.44
2026-08-09 06:00	8.75	9.88	43.91	1.829	0.881	267.7	2.745	11.32	258.7	2.232	-0.01	2	30.44
2026-08-09 07:00	9.54	14.29	35.62	2.221	0.702	208.5	35.97	142.9	261.7	7.672	-0.01	0	30.45
2026-08-09 08:00	14.31	16.69	30.59	3.871	1.03	145.4	74.25	350.4	265.6	16.12	0.01	0	30.45
2026-08-09 09:00	16.31	18.82	25.63	3.43	0.999	142.2	104.7	555.5	271	25.79	0.01	0	30.45
2026-08-09 10:00	18.64	20.27	24.64	4.59	1.288	104.3	130.9	743	277.7	36.17	0	0	30.45
2026-08-09 11:00	19.8	20.68	21.68	4.59	1.556	224	147.1	861	286.7	46.75	0.01	0	30.45
2026-08-09 12:00	19.42	20.97	19.45	5.423	1.434	243.6	56.59	346.1	330.1	33.37	0	0	30.45
2026-08-09 13:00	19.96	21.71	18.57	5.504	1.927	225.4	158.5	940	308	48.66	0.02	0	30.44
2026-08-09 14:00	19.59	21.65	24.33	5.847	1.92	233	85.7	524.2	315	41.27	0.01	0	30.43
2026-08-09 15:00	19.38	20.16	25.42	6.141	2.081	236.3	58.88	354.5	334.9	31.08	0	0	30.42
2026-08-09 16:00	18.58	19.99	28.04	6.354	2.452	230	80.4	483.5	326.2	33.9	-0	0	30.42
2026-08-09 17:00	17.7	19.28	28.74	3.593	1.121	93.9	44.99	273.3	332.7	28.37	-0.01	0	30.41
2026-08-09 18:00	17.42	18.72	29.66	4.639	1.911	232.5	18.34	113	319.6	21.93	-0.02	0	30.41
2026-08-09 19:00	14.91	17.48	38.45	3.348	0.788	247	5.086	29.4	304.1	16.33	-0.01	0	30.41
2026-08-09 20:00	13.18	14.91	42.44	1.241	0.553	279.5	0.066	-3.299	297.1	12.04	-0.02	0	30.41
2026-08-09 21:00	12.32	13.19	45.36	1.437	0.721	277.8	0.32	-3.405	283.2	9.47	-0.02	0	30.42
2026-08-09 22:00	10.8	12.31	47.7	1.062	0.513	271.6	0.142	-3.725	273.1	7.264	-0.01	0	30.43
2026-08-09 23:00	10.78	11.22	44.34	1.339	0.763	268.8	0.394	-2.998	270.6	6.057	-0.02	0	30.43
2026-08-10 01:00	9.3	11.23	48.5	1.797	0.482	273.1	0.208	-3.571	269	4.594	-0.02	1	30.43
2026-08-10 02:00	10.33	11.49	49.62	1.878	0.498	268.4	0.457	-3.024	270.4	4.332	-0.02	1	30.43
2026-08-10 03:00	9.67	11.22	53.37	1.552	0.45	265.6	0.028	-3.165	281.8	4.395	-0.02	1	30.43
2026-08-10 04:00	9.43	10.1	54.63	1.666	0.671	272	0.321	-2.384	279.2	4.392	0	1	30.42
2026-08-10 05:00	8.77	10.02	57.29	2.254	0.775	265	0.104	-2.613	280.1	3.736	0.01	1	30.42
2026-08-10 06:00	9.22	9.98	58.19	2.483	0.865	251.9	2.537	11.05	274.2	4.14	0.02	1	30.43
2026-08-10 07:00	9.48	14.25	42.74	2.76	0.767	204.6	40.57	165.1	271	9.78	0.02	0	30.43
2026-08-10 08:00	14.08	16.63	37.37	5.831	1.292	170.7	77.67	376.8	274.5	18.05	0.02	0	30.44
2026-08-10 09:00	16.38	17	39.09	5.504	2.153	233.4	108.6	585.9	279.7	27.34	0.03	0	30.45
2026-08-10 10:00	16.55	18.35	36.16	5.815	2.329	220	138.4	788.2	289.3	38.81	0.02	0	30.45
2026-08-10 11:00	17.56	18.58	35.13	5.521	2.256	227.9	154.2	913	299.9	49.9	0.01	0	30.46
2026-08-10 12:00	17.9	19.17	32.97	5.766	2.331	230.4	148.1	891	305.1	54.18	0.01	0	30.45
2026-08-10 13:00	18.82	19.61	31.16	5.831	2.52	227.6	175.8	1057	299.9	61.74	0.02	0	30.44
2026-08-10 14:00	19.01	20.06	31.14	6.631	2.447	226.4	146.7	899	294.5	58.69	0.02	0	30.43
2026-08-10 15:00	19.66	20.75	29.32	6.517	2.454	225.3	143.2	877	296.3	55.86	0.01	0	30.42
2026-08-10 16:00	19.93	20.6	27.89	6.974	2.482	230.2	112.2	697.2	305.7	47.85	0.01	0	30.41
2026-08-10 17:00	19.38	20.48	31.23	4.998	1.855	148.2	79.64	510.4	317.2	40.7	0.02	0	30.4
2026-08-10 18:00	17.61	19.91	35.09	5.521	1.248	192.8	20.13	141.8	308.4	26.59	0.03	0	30.4
2026-08-10 19:00	15.38	17.86	44.41	3.087	0.726	134.1	3.744	20.72	308	19.21	0.02	0	30.4
2026-08-10 20:00	13.92	15.41	48.65	1.388	0.437	273.3	0.269	-2.962	312.8	15.11	0.03	0	30.42
2026-08-10 21:00	13.43	14.39	49.6	1.111	0.49	265.5	0.549	-2.319	325.8	14.5	0.03	0	30.43
2026-08-10 22:00	12.91	13.96	49.57	1.878	0.553	269.7	0.484	-3.084	295.5	11.58	0.03	0	30.44
2026-08-10 23:00	13	14.21	49.59	2.385	0.722	286.7	0.495	-2.287	304.9	11	0.03	0	30.45
2026-08-11 01:00	11.63	12.45	61.45	2.858	1.106	239.8	0.392	-2.259	306.7	10.19	0.03	0	30.46
2026-08-11 02:00	10.49	11.84	68.81	1.813	0.644	214.7	0.122	-3.083	299.2	9.14	0.04	0	30.45
2026-08-11 03:00	10.23	10.65	68.32	1.192	0.562	225.2	0.417	-1.903	314.1	9.54	0.06	0	30.45
2026-08-11 04:00	9.22	10.52	72.07	2.107	0.901	235	0.205	-3.524	271.3	6.685	0.07	0	30.44
2026-08-11 05:00	8.47	9.4	72.21	1.895	0.758	253	0.364	-3.263	268.1	5.37	0.06	1	30.43
2026-08-11 06:00	7.797	9.36	70.32	2.205	0.362	251.6	1.651	5.985	266.4	4.756	0.06	1	30.43
2026-08-11 07:00	8.1	11.39	68.34	3.789	0.31	237.5	21.91	97.1	268.2	8.03	0.05	0	30.44
2026-08-11 08:00	11.4	14.39	48.09	3.463	0.762	178.5	48.97	260.7	298	17.13	0.04	0	30.44
2026-08-11 09:00	14.36	16.14	43.83	4.279	1.428	83.7	93.8	511.1	281	25.84	0.04	0	30.45
2026-08-11 10:00	15.89	16.91	41.49	5.227	2.372	77.81	129.4	743.7	282.7	38.34	0.04	0	30.45
2026-08-11 11:00	16.63	18.72	37.27	5.145	2.154	84.5	160.6	949	300.5	53.15	0.04	0	30.45
2026-08-11 12:00	17.32	18.74	38.67	5.178	2.043	84.8	74.17	449.7	337.5	40.47	0.04	0	30.44
2026-08-11 13:00	16.31	18	43.03	5.243	1.822	116.4	47.75	296.2	349.7	31.78	0.03	0	30.43
2026-08-11 14:00	14.37	16.31	47.64	2.499	0.778	105	19.5	131.9	353	20.22	0.03	0	30.43
2026-08-11 15:00	15.6	17.63	43.13	3.773	0.878	91.6	59.15	371.8	347.6	25.47	0.05	0	30.42
2026-08-11 16:00	15.19	17.04	54.64	4.214	1.498	100.6	30.94	196.8	349.6	21.87	0.05	0	30.41
2026-08-11 17:00	13.66	15.45	63.5	3.005	0.846	191.2	26.64	164.9	327.2	21.07	0.05	0	30.41
2026-08-11 18:00	13.25	13.72	65.13	2.303	0.706	212.9	15.17	90.5	320.1	18.05	0.05	0	30.41
2026-08-11 19:00	12.98	13.29	64.46	2.597	0.575	246.8	4.926	26.27	332.9	15.53	0.04	0	30.4
2026-08-11 20:00	12.79	13.07	61.54	1.535	0.658	248.6	0.42	-0.934	345.6	14.05	0.04	0	30.4
2026-08-11 21:00	11.95	13.05	70.64	3.642	1.008	211	0.281	-2.424	351.8	13.17	0.05	0	30.4
2026-08-11 22:00	11.35	12.42	66	2.695	0.891	258.7	0.226	-2.868	340.5	11.49	0.05	0	30.41
2026-08-11 23:00	10.78	12.12	73.45	2.025	0.202	280.9	0.174	-1.843	329.6	10.51	0.03	0	30.4
2026-08-12 01:00	12.19	12.71	61.78	4.41	1.47	229.5	0.149	-1.503	335.8	10.39	0.03	1	30.38