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)
2026-10-31 05:00	-2.098	-1.326	97.2	0	0	259.2	-0.204	-0.697	309.3	-5.714	0.31	106	0	30.16
2026-10-31 06:00	-3.591	-2.098	98.2	0	0	257	-0.803	-1.176	303.2	-11.48	0.31	106	0	30.17
2026-10-31 07:00	-3.716	-3.252	97	0	0	241.9	3.401	0.404	301.3	-11.04	0.31	106	0	30.18
2026-10-31 08:00	-4.421	-2.816	99.8	0	0	230.8	30.84	13.14	299.7	-14.62	0.3	106	0	30.19
2026-10-31 09:00	-2.816	0.798	85.7	2.777	0.344	132.4	288.2	127.2	311.4	-7.19	0.29	106	0	30.21
2026-10-31 10:00	0.392	1.915	79.56	2.989	0.973	220.8	454.9	553.1	311.3	-2.759	0.27	107	0	30.22
2026-10-31 11:00	1.292	3.039	73.98	3.626	0.731	216.6	456.4	575.8	210	-1.972	0.26	107	0	30.22
2026-10-31 12:00	1.266	3.081	71.61	4.72	1.112	235.8	279.9	349.8	218.4	-3.339	0.27	108	0	30.22
2026-10-31 13:00	1.052	2.109	65.76	4.034	1.265	237.7	207.4	267.5	228.8	-3.7	0.26	108	0	30.21
2026-10-31 14:00	1.477	2.87	66.65	3.185	1.068	223	239	316	232.1	-3.44	0.25	108	0	30.21
2026-10-31 15:00	1.826	3.009	73.16	2.532	0.866	237.7	214.9	302.6	227.9	-3.966	0.26	109	0	30.21
2026-10-31 16:00	-0.79	2.096	85.3	2.368	0.958	244.1	63.45	75.07	217.5	-6.742	0.26	109	0	30.21
2026-10-31 17:00	-1.732	-0.776	87.1	1.552	0.871	256.1	20.71	24.61	211.2	-8.7	0.26	109	0	30.22
2026-10-31 18:00	-2.774	-1.705	91.3	1.568	0.661	258.6	1.573	-1.066	202.2	-10.59	0.27	109	0	30.21
2026-10-31 19:00	-3.139	-2.661	91.6	1.339	0.649	255.6	0.027	-2.75	203.7	-11.34	0.26	109	0	30.22
2026-10-31 20:00	-3.179	-2.648	90.8	1.993	0.806	257.2	0.107	-2.306	215.7	-10.42	0.26	109	0	30.23
2026-10-31 21:00	-3.027	-1.577	91.3	1.862	0.698	256.8	0.279	-0.913	265.7	-6.27	0.27	108	0	30.22
2026-10-31 22:00	-1.86	-0.239	85.6	3.528	1.095	248.1	0.445	-1.202	273.8	-4.572	0.27	107	0	30.21
2026-10-31 23:00	-0.523	0.422	82.5	4.622	1.07	238.8	0.211	-1.574	289.1	-3.02	0.27	106	0	30.2
2026-11-01 01:00	-0.496	-0.015	93.2	3.593	1.535	247.1	0.279	-0.841	313.9	-1.058	0.28	107	0.508	30.17
2026-11-01 02:00	-0.338	-0.101	94.5	3.495	1.155	247.3	0.206	-0.77	314.4	-0.975	0.3	107	0.762	30.16
2026-11-01 03:00	-0.466	-0.213	96.7	3.593	1.231	253.1	0.198	-0.657	314.1	-0.932	0.29	108	0.508	30.15
2026-11-01 04:00	-0.466	-0.028	97.4	4.328	1.495	251	0.253	-0.461	314.6	-0.662	0.3	110	0	30.12
2026-11-01 05:00	-0.071	0.291	99	5.129	1.516	263.7	0.594	-0.272	315.5	-0.051	0.32	112	0.762	30.11
2026-11-01 06:00	0.264	0.603	99.2	4.965	1.715	256	1.06	-0.846	314.9	-0.015	0.34	115	0	30.1
2026-11-01 07:00	0.518	0.814	98.2	3.773	1.499	247.3	1.973	-0.663	315.3	-0.133	0.35	119	0	30.1
2026-11-01 08:00	0.462	0.798	98.1	4.1	1.599	249.9	20.89	19.99	315.6	-0.114	0.36	122	0	30.1
2026-11-01 09:00	0.659	0.996	96.8	4.59	1.612	248.2	49.05	47.69	315.9	-0.157	0.36	126	0	30.1
2026-11-01 10:00	0.926	2.027	97.3	4.671	1.698	242.6	106	122.2	322	-0.28	0.37	128	1.27	30.08
2026-11-01 11:00	2.04	2.502	96.5	6.256	1.714	252	73.75	92.1	326.9	-0.488	0.36	130	1.524	30.07
2026-11-01 12:00	2.32	2.587	96.6	3.381	1.315	241.6	73.49	92.1	327.5	-0.538	0.35	132	2.54	30.06
2026-11-01 13:00	2.39	2.758	96.3	3.74	1.07	250.1	67.95	86.3	328.1	-0.587	0.35	132	2.286	30.04
2026-11-01 14:00	1.322	2.574	96.9	3.512	0.652	198.5	53.31	65.71	324.2	-0.525	0.35	132	1.778	30.04
2026-11-01 15:00	0.392	1.348	98.3	2.091	0.684	263.1	35.99	36.72	316.3	-0.274	0.35	135	1.016	30.04
2026-11-01 16:00	0.067	0.478	98.6	2.548	0.466	173.7	31.78	17.94	315.7	-0.162	0.34	137	0	30.03
2026-11-01 17:00	0.083	0.278	99.1	3.152	0.7	228.6	13.64	4.972	315.7	-0.095	0.36	139	0	30.02
2026-11-01 18:00	-0.028	0.123	99.9	3.136	0.92	246.2	0.76	0.065	315.8	-0.205	0.38	142	0	30
2026-11-01 19:00	-0.015	0.139	100	2.842	0.843	248.6	0.529	-0.252	315.7	-0.093	0.4	145	0	29.98
2026-11-01 20:00	0.067	0.366	100	3.822	1.196	248.2	0.721	-0.583	315	-0.054	0.42	148	0	29.97
2026-11-01 21:00	0.011	0.462	99.8	6.125	1.253	244.1	0.628	-0.397	315.7	-0.07	0.44	154	0	29.98
2026-11-01 22:00	-0.127	0.04	100	3.12	0.75	228	0.095	0.062	315.9	-0.397	0.45	156	0	29.98
2026-11-01 23:00	-0.183	-0.045	100	1.045	0.006	231.9	-0.079	0.139	315.8	-0.501	0.47	158	0	29.97
2026-11-02 01:00	-0.466	-0.282	100	0	0	231.7	-0.488	0.754	315.2	-1.342	0.5	159	0	29.95
2026-11-02 02:00	-2.029	-0.394	99.7	0	0	231.7	-0.505	2.093	312.1	-2.265	0.52	161	0	29.96
2026-11-02 03:00	-3.222	-2.029	96.9	0	0	231.7	0.433	1.094	305.4	-5.203	0.53	160	0	29.93
2026-11-02 04:00	-3.268	-3.097	98	0	0	231.7	0.602	0.177	303.2	-4.413	0.53	160	0	29.92
2026-11-02 05:00	-3.153	-2.886	98.8	0	0	231.7	0.453	-0.061	302.7	-3.349	0.53	160	0	29.92
2026-11-02 06:00	-3.067	-2.843	99.7	0	0	231.7	-0.085	-0.128	302.4	-4.072	0.52	159	0	29.93
2026-11-02 07:00	-3.324	-2.886	99.4	0	0	231.7	2.372	0.793	302.1	-3.172	0.54	162	0	29.94
2026-11-02 08:00	-3.31	-2.928	99.6	0	0	231.7	29.3	8.9	301.8	-3.47	0.56	167	0	29.96
2026-11-02 09:00	-3.31	-2.899	99.5	0	0	231.7	58.26	17.7	304	-3.687	0.61	171	0	29.98
2026-11-02 10:00	-3.041	-2.52	98.7	0	0	231.7	155.6	45.42	307.8	-3.621	0.63	174	0	30.01
2026-11-02 11:00	-3.011	-1.537	99.8	0	0	227.4	219.7	63.27	311.1	-3.327	0.65	177	0	30.03
2026-11-02 12:00	-2.424	-1.577	99.4	0	0	117.2	236.7	69.31	315.5	-3.356	0.67	179	0	30.04
2026-11-02 13:00	-1.762	-0.579	99.5	0	0	114.9	310	85.4	316	-2.363	0.69	180	0	30.04
2026-11-02 14:00	-2.098	-0.424	98.9	0	0	125.7	248.6	69.17	315.8	-2.667	0.71	180	0	30.05
2026-11-02 15:00	-2.576	-1.676	98.7	0	0	92.9	150.7	43.7	314.1	-2.931	0.73	182	0	30.07
2026-11-02 16:00	-2.886	-2.368	98.8	0	0	97	130.4	36.74	307.6	-3.159	0.73	182	0	30.1
2026-11-02 17:00	-3.252	-2.859	99.2	0	0	111.5	34.88	10.44	303.3	-3.483	0.73	183	0	30.11
2026-11-02 18:00	-3.633	-3.179	99.5	0	0	118	0.985	0.451	300.8	-4.302	0.73	181	0	30.13
2026-11-02 19:00	-3.828	-3.561	99.2	0	0	113.6	0.012	0.004	299.2	-4.655	0.72	180	0	30.14
2026-11-02 20:00	-4.01	-3.786	98.9	0	0	125.3	-0.026	0.021	298.3	-4.727	0.72	180	0	30.16
2026-11-02 21:00	-4.026	-3.871	99.3	0	0	126	0.009	-0.041	297.8	-4.313	0.71	180	0	30.17
2026-11-02 22:00	-3.954	-3.858	99.4	0	0	126.1	-0.121	-0.03	298	-4.193	0.71	179	0	30.18
2026-11-02 23:00	-4.122	-3.914	99.2	0	0	130.1	-0.088	0.066	297.6	-4.314	0.71	179	0	30.18
2026-11-03 01:00	-4.178	-4.026	99.3	0	0	116	-0.029	0.004	297.2	-4.355	0.7	179	0	30.19
2026-11-03 02:00	-4.346	-4.082	99.1	0	0	108.7	-0.042	0.047	296.9	-4.539	0.7	179	0	30.19
2026-11-03 03:00	-4.856	-4.306	98.9	0	0	125.3	-0.091	0.135	295.4	-6.162	0.7	179	0	30.2
2026-11-03 04:00	-5.783	-4.758	97.7	0	0	112.4	-0.218	0.134	293.2	-8.29	0.69	179	0	30.19
2026-11-03 05:00	-7.935	-5.783	96.7	0	0	180.3	-0.86	-0.21	285.9	-17.86	0.69	179	0	30.2
2026-11-03 06:00	-8.6	-7.922	96.5	0	0	201.5	-0.41	-0.968	278.1	-19.44	0.7	179	0	30.2
2026-11-03 07:00	-8.91	-8.44	96.1	0	0	192.2	4.228	0.784	276.2	-19.8	0.69	178	0	30.21
2026-11-03 08:00	-8.95	-8.54	96.8	0	0	152	36.99	16.67	275.4	-20.67	0.69	178	0	30.21
2026-11-03 09:00	-8.55	-1	100	0	0	140.1	318.3	160.1	291.2	-14.43	0.67	178	0	30.22
2026-11-03 10:00	-1.014	0.574	100	2.238	0.36	177.1	448.7	219.6	312.9	-7.749	0.65	178	0	30.22
2026-11-03 11:00	0.32	1.84	88.5	3.038	0.779	175.9	516.7	587.2	221.9	-4.225	0.66	178	0	30.22
2026-11-03 12:00	0.462	1.573	85.5	3.201	0.938	185.5	569.1	720.5	187	-2.5	0.65	178	0	30.22
2026-11-03 13:00	1.573	2.545	76.88	2.858	0.736	227.1	540.7	664.1	190.3	-2.217	0.65	178	0	30.21
2026-11-03 14:00	1.546	2.363	76.5	2.205	1.01	244.2	461.6	591.6	188.4	-2.994	0.64	178	0	30.2
2026-11-03 15:00	0.04	1.533	84.2	2.597	1.28	241.1	316.4	451.7	187.5	-3.924	0.64	178	0	30.2