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)
2026-08-10 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
2026-08-12 02:00	11.4	12.46	66.72	3.936	1.655	206.7	0.024	-2.328	313.7	9.49	0.02	1	30.37
2026-08-12 03:00	9.18	11.4	73.02	1.731	0.716	261.2	-0.284	-3.458	290.6	6.917	0.02	1	30.37
2026-08-12 04:00	8.88	9.73	74.65	1.927	0.788	271.5	0.267	-1.991	300.5	6.767	0.03	1	30.36
2026-08-12 05:00	9.18	10.8	71.48	1.96	0.79	259.8	0.482	-0.809	325.9	8.31	0.03	1	30.36
2026-08-12 06:00	8.7	10.4	74.38	1.323	0.733	265.8	0.784	3.923	290.4	6.769	0.03	1	30.36
2026-08-12 07:00	8.49	12.81	63.23	1.911	0.628	230.8	29.69	125.6	272.3	9.21	0.02	0	30.36
2026-08-12 08:00	12.81	14.94	53.72	2.907	0.891	120.9	72.79	372	304.7	19.07	0.02	0	30.36
2026-08-12 09:00	14.05	15.05	55.94	4.769	1.508	79.65	93	527.3	302.7	27.15	0.01	0	30.36
2026-08-12 10:00	13.88	14.62	55.1	4.459	1.464	81	37.5	235.5	322	23.01	0.01	0	30.36
2026-08-12 11:00	13.77	14.79	62.46	3.479	1.558	86.1	44.24	276	345.4	23.61	0.03	0	30.35
2026-08-12 12:00	13.47	14.24	65.51	4.279	1.608	82.7	45.11	279.5	346.1	24.37	0.04	0	30.34
2026-08-12 13:00	13.52	16.45	45.89	4.541	1.736	220.9	72.87	446.9	341.4	27.74	0.03	0	30.33
2026-08-12 14:00	13.91	16.26	63.43	4.475	1.642	84	60.29	397	340.4	26.54	0.02	0	30.31
2026-08-12 15:00	12.86	14.14	72.9	4.459	2.061	82	47.65	299.9	347.3	23.7	0.02	0	30.3
2026-08-12 16:00	11.94	13.36	73.93	5.161	1.935	76.41	69.24	436	333.2	26.66	0.02	0	30.3
2026-08-12 17:00	11.36	13.25	70.75	4.214	1.094	114.4	16.74	103.3	335.5	17.7	0.02	0	30.29
2026-08-12 18:00	11.94	13.49	83	4.475	1.168	232.2	8.46	50.62	346.3	15.37	0	0	30.28
2026-08-12 19:00	9.27	11.91	89.8	2.385	0.754	258.4	7.213	43.79	333.5	13.49	0.01	0	30.28
2026-08-12 20:00	7.33	9.58	96.6	2.695	0.799	263.5	0.541	-1.684	335.4	9.35	0.01	2	30.29
2026-08-12 21:00	7.656	8.92	90.7	3.512	1.149	251.5	0.851	-0.57	340.7	10.21	0.01	1	30.29
2026-08-12 22:00	7.712	9.32	93.9	5.668	1.29	233.8	1.251	-0.76	341.9	9.88	0.01	1	30.3
2026-08-12 23:00	7.234	8.12	92.5	3.136	1.299	231.2	1.21	-1.203	347	9.43	0	1	30.32
2026-08-13 01:00	6.783	7.092	94.2	2.973	1.315	220.9	0.919	-1.024	314.9	8.5	0.01	1	30.29
2026-08-13 02:00	6.799	7.33	94.6	2.221	0.979	229.4	0.788	-0.725	323.1	8.53	0.01	1	30.28
2026-08-13 03:00	6.897	7.247	97.9	1.764	0.58	225.5	0.522	-0.568	334	8.83	0	1	30.27
2026-08-13 04:00	6.812	7.009	98.9	1.045	0.393	271.3	0.383	-0.403	336.8	9.07	0.02	1	30.27
2026-08-13 05:00	6.812	7.079	98.6	1.731	0.9	257	0.485	-0.671	327.7	8.67	0.02	1	30.27
2026-08-13 06:00	6.756	7.05	98.9	1.176	0.49	260.5	1.147	4.313	320.9	8.41	0.01	1	30.28
2026-08-13 07:00	7.023	8.15	96.6	2.401	0.627	216.3	8.54	59.92	337.5	10.11	0	0	30.29
2026-08-13 08:00	8.06	8.8	92.9	3.005	0.811	90.3	24.41	182.6	341.9	12.84	0	0	30.31
2026-08-13 09:00	8.23	9.71	89.7	2.189	0.508	29.53	30.6	232.4	339.7	14.36	0.01	0	30.32
2026-08-13 10:00	9.7	10.97	79.16	2.483	0.783	235.2	60.99	428.5	333.7	19.7	0.01	0	30.32
2026-08-13 11:00	10.75	14.02	67.23	3.675	1.199	167.5	120.1	845	318.6	28.22	0.03	0	30.31
2026-08-13 12:00	12.39	13.96	68.29	4.279	1.32	240.4	51.35	350.1	344.3	22.79	0.02	0	30.31
2026-08-13 13:00	9.46	12.57	81.9	3.953	1.629	253	26.14	183.6	348.7	18.01	0.03	0	30.3
2026-08-13 14:00	8.9	10.19	84.9	3.054	1.022	259.8	24.9	189.6	351.8	16.3	0.01	0	30.31
2026-08-13 15:00	10.18	12.59	71.59	2.695	1.004	272.5	57.85	434.8	318.2	20.93	0	0	30.31
2026-08-13 16:00	11.76	13.53	68.65	2.613	0.947	242.6	44.46	321.8	330.3	19.67	-0	0	30.3
2026-08-13 17:00	12.62	13.17	70.83	2.679	0.737	264.5	22.07	160.5	340.8	17.46	0.01	0	30.29
2026-08-13 18:00	9.95	12.73	87.4	3.642	1.169	114.4	8.28	58.02	351.9	15.06	0	0	30.3
2026-08-13 19:00	9.04	10.12	83.4	4.835	1.824	239.6	3.319	13.62	350.9	12.25	0	0	30.31
2026-08-13 20:00	7.896	9.09	95.8	2.711	0.463	242	1.097	-1.432	328.6	11.08	0.01	2	30.32
2026-08-13 21:00	7.867	8.42	95.5	2.009	0.507	242.9	0.879	-0.655	335	11	0.01	1	30.34
2026-08-13 22:00	7.386	8.47	95.9	1.764	0.67	263.5	0.763	-1.439	307.1	9.98	0.02	2	30.34
2026-08-13 23:00	6.542	7.386	97.5	1.535	0.768	268.2	0.689	-2.568	265.4	7.327	0.03	2	30.34
2026-08-14 01:00	6.825	7.162	96.3	1.127	0.548	270.6	0.76	-0.957	317.5	8.27	0.03	1	30.35
2026-08-14 02:00	6.556	7.066	96.8	1.062	0.393	265.8	0.656	-1.191	314.2	8.07	0.02	1	30.35
2026-08-14 03:00	6.417	6.825	96.4	1.062	0.4	274.7	0.677	-1.227	307.5	7.811	0.03	2	30.36
2026-08-14 04:00	6.318	6.783	95	1.78	0.679	259.3	0.728	-1.147	310.8	7.547	0.03	2	30.36
2026-08-14 05:00	6.417	7.023	95	1.584	0.694	236.8	0.753	-1.073	318.5	7.464	0.02	1	30.36
2026-08-14 06:00	6.841	7.317	95.2	1.356	0.457	255	1.147	2.685	322.7	7.751	0.02	1	30.37
2026-08-14 07:00	6.868	7.685	91	1.748	0.399	258.6	3.769	23.02	320.4	8.2	0.01	1	30.38
2026-08-14 08:00	7.487	8.44	93	1.192	0.428	233.1	9.65	69.02	320.4	9.62	-0.01	0	30.39