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)
2025-04-26 12:00	5.122	6.051	25.77	5.455	1.687	59.79	565.5	1054	212.2	-2.224	1.23	585	0	30.12
2025-04-26 13:00	5.557	6.686	23.92	6.223	1.807	73.1	561.7	1067	213.5	-2.347	1.22	581	0	30.11
2025-04-26 14:00	6.403	7.573	23.12	5.913	1.688	209.6	519.7	1011	213.8	-2.45	1.21	577	0	30.11
2025-04-26 15:00	6.911	7.992	25.42	5.521	1.621	104.1	451.1	884	215.8	-2.574	1.21	573	0	30.09
2025-04-26 16:00	7.05	8.08	22.1	8.22	2.082	343.9	339.1	678.1	218.5	-2.686	1.21	570	0	30.08
2025-04-26 17:00	7.317	7.909	24.5	7.628	1.748	276.9	234.8	493.9	218.5	-2.823	1.21	567	0	30.08
2025-04-26 18:00	5.629	7.474	28.96	5.292	1.602	257.7	53.77	163.1	212.5	-3.892	1.21	566	0	30.07
2025-04-26 19:00	4.08	5.856	28.2	5.292	1.523	254	9.61	11.78	209.2	-4.945	1.2	565	0	30.06
2025-04-26 20:00	3.164	4.614	34.1	3.593	1.392	238.6	-0.101	-4.267	208	-5.862	1.2	566	0	30.06
2025-04-26 21:00	0.828	4.15	45.4	3.299	1.065	232.5	-0.434	-4.881	206.7	-6.991	1.21	567	0	30.07
2025-04-26 22:00	0.686	2.222	35.42	2.515	1.198	273.2	0.114	-3.736	205.2	-7.674	1.21	567	0	30.07
2025-04-26 23:00	0.04	1.77	45.68	2.809	1.271	261.2	-0.199	-4.018	204	-8.64	1.2	570	0	30.07
2025-04-27 00:00	-4.576	-4.039	52.38	5.553	1.615	254.9	0.129	-1.502	247.2	-6.785	1.19	558	0	29.99
2025-04-27 01:00	0.505	1.882	35.64	3.577	1.393	251.4	0.099	-3.541	201.6	-9.78	1.21	574	0	30.06
2025-04-27 02:00	0.857	1.559	34.61	4.492	1.309	246.2	-0.198	-4.004	199.9	-10.24	1.21	576	0	30.06
2025-04-27 03:00	0.491	1.533	36.73	3.577	1.521	247.6	-0.189	-3.902	197.7	-10.35	1.21	578	0	30.04
2025-04-27 04:00	0.278	0.953	34.51	4.835	1.73	247.7	-0.171	-3.837	195.8	-10.44	1.21	580	0	30.04
2025-04-27 05:00	-0.015	0.87	36.8	3.74	1.725	236.4	-0.175	-3.87	195.3	-10.7	1.21	581	0	30.02
2025-04-27 06:00	-0.509	0.59	36.76	5.406	1.285	238.2	7.504	7.67	195.4	-10.93	1.2	581	0	30.02
2025-04-27 07:00	0.32	2.027	35.4	4.916	1.362	181.5	152.9	203.7	197	-8.11	1.2	573	0	30.03
2025-04-27 08:00	1.971	2.841	34.71	5.815	1.61	178.9	295.2	437.4	200.2	-4.158	1.2	562	0	30.03
2025-04-27 09:00	2.63	3.912	35.75	7.105	2.015	225.4	404.6	656.5	203.3	-2.063	1.2	560	0	30.02
2025-04-27 10:00	3.575	4.037	34.42	7.971	2.175	250.4	482.4	838	207	-1.982	1.2	559	0	30.02
2025-04-27 11:00	3.431	4.235	29.8	8.18	2.47	255.6	541.9	986	212	-1.983	1.19	560	0	30.01
2025-04-27 12:00	3.645	4.657	29.23	7.35	2.137	247.1	445.6	813	242.4	-2.101	1.19	559	0	30.01
2025-04-27 13:00	3.065	3.968	28.26	8.44	2.193	257.7	343	595	271.9	-2.117	1.19	557	0	30
2025-04-27 14:00	2.208	3.22	32.84	6.631	2.181	257.3	242	399.7	280.1	-2.359	1.19	556	0	30
2025-04-27 15:00	0.547	2.291	45.33	7.922	2.367	258.4	139.2	220.9	287.3	-2.479	1.19	555	0	29.99
2025-04-27 16:00	-0.677	0.547	60.24	8.93	2.965	258.3	99.3	155.4	288.3	-2.238	1.18	554	0	29.99
2025-04-27 17:00	-2.085	-0.312	72.72	5.88	2.032	250.9	60.24	92.9	292.3	-1.849	1.18	553	0	30
2025-04-27 18:00	-2.325	-1.986	70.06	3.169	0.818	292.8	31.21	46.5	285	-1.946	1.18	554	0	30
2025-04-27 19:00	-2.971	-2.269	74.73	3.332	0.833	112.8	12.09	17.42	273.9	-2.603	1.19	554	0	29.97
2025-04-27 20:00	-2.928	-0.015	38.24	6.092	1.197	240.4	0.636	-0.697	266.3	-3.757	1.19	554	0	29.96
2025-04-27 21:00	-1.113	-0.213	40.79	7.693	2.217	246.3	-0.127	-2.242	236.5	-6.273	1.19	555	0	29.97
2025-04-27 22:00	-3.914	-1.099	75.82	6.795	2.321	250	-0.291	-2.107	252.6	-6.406	1.18	555	0	29.98
2025-04-27 23:00	-4.29	-3.673	77.84	3.169	0.973	249.3	0.07	-0.814	282	-4.737	1.19	556	0	29.99
2025-04-28 00:00	-7.965	-7.177	81	1.094	0.405	269.1	0.192	-3.637	263	-15	1.15	555	0	30.14
2025-04-28 01:00	-5.121	-4.533	57.31	4.884	1.762	256.5	-0.01	-1.619	243.5	-8.27	1.18	560	0	29.99
2025-04-28 02:00	-5.882	-5.094	59.6	5.831	2.05	249.2	-0.063	-0.884	264.1	-7.77	1.18	561	0	29.99
2025-04-28 03:00	-6.515	-5.868	59.66	6.011	2.355	244.3	-0.054	-1.322	242.4	-8.96	1.19	563	0	29.99
2025-04-28 04:00	-6.782	-6.459	59.9	5.766	1.932	245.9	0.046	-2.108	216.6	-10.76	1.18	565	0	29.99
2025-04-28 05:00	-7.724	-6.699	65.96	4.116	1.082	259.3	-0.02	-2.8	201.4	-12.12	1.18	568	0	30
2025-04-28 06:00	-8.93	-7.724	70.62	2.417	0.462	266.1	8.58	8.24	172.5	-15.6	1.19	572	0	30.01
2025-04-28 07:00	-8.95	-5.911	60.41	3.887	1.159	219.1	177.5	219.1	173.1	-12.17	1.18	570	0	30.02
2025-04-28 08:00	-6.079	-5.065	56.65	3.561	1.195	230.1	332.3	454.7	170.8	-7.82	1.18	563	0	30.02
2025-04-28 09:00	-5.081	-4.039	45.3	4.851	1.435	223.4	460	677.5	172	-3.536	1.17	556	0	30.03
2025-04-28 10:00	-4.32	-2.843	38.96	4.802	1.415	236.3	542.4	862	174.9	-1.708	1.16	551	0	30.04
2025-04-28 11:00	-2.942	-1.425	39.09	4.786	1.626	239.8	581.1	1002	179.8	-1.287	1.17	550	0	30.05
2025-04-28 12:00	-1.633	-0.071	33.44	4.524	1.294	261.7	536.3	978	192.6	-1.241	1.17	551	0	30.05
2025-04-28 13:00	-0.565	0.785	28.68	4.312	1.337	250.9	562.5	1065	207	-1.407	1.16	551	0	30.05
2025-04-28 14:00	0.366	1.322	35.86	5.014	1.582	245	407.2	755.8	252.2	-1.724	1.16	550	0	30.06
2025-04-28 15:00	-0.595	0.686	39.38	4.165	1.455	268.1	190.3	318.9	274.4	-2.173	1.16	548	0	30.06
2025-04-28 16:00	-0.862	-0.424	42.81	4.541	1.244	94.5	109	177.9	275.2	-2.15	1.16	547	0	30.07
2025-04-28 17:00	-3.492	-0.677	76.27	3.626	1.212	90.1	53.4	84.5	285	-2.344	1.16	547	0	30.09
2025-04-28 18:00	-4.464	-3.505	88.3	1.813	0.773	78.58	63.64	78.92	297.6	-2.955	1.16	548	1	30.11
2025-04-28 19:00	-4.264	-3.927	87.2	1.552	0.22	67.12	20.4	24.56	295.5	-6.391	1.16	548	0	30.12
2025-04-28 20:00	-5.107	-4.221	83.8	0.8	0.25	284.7	0.203	-2.94	287	-9.04	1.15	548	0	30.13
2025-04-28 21:00	-6.416	-5.094	82.8	1.013	0.408	275.5	0.003	-3.751	277.7	-11.57	1.15	548	0	30.14
2025-04-28 22:00	-7.246	-6.36	83	1.192	0.438	268.7	0.103	-3.709	270.4	-13.1	1.15	550	0	30.15
2025-04-28 23:00	-7.527	-6.953	81.4	1.16	0.537	261	0.196	-3.529	266.5	-14.18	1.15	552	0	30.14
2025-04-29 01:00	-8.3	-7.668	82.1	0.866	0.345	260.7	0.158	-3.578	259.7	-15.83	1.15	558	0	30.14
2025-04-29 02:00	-8.38	-7.684	78.72	1.176	0.661	276	0.285	-3.327	257.4	-15.81	1.16	561	0	30.13
2025-04-29 03:00	-8.23	-6.36	78.02	2.091	0.959	248	0.093	-3.835	258.2	-15.94	1.16	565	0	30.13
2025-04-29 04:00	-8.18	-7.497	73.6	1.421	0.724	260.9	0.132	-3.791	253.6	-16.5	1.15	571	0	30.13
2025-04-29 05:00	-7.895	-7.441	73.48	1.584	0.835	248.9	0.08	-3.646	251.1	-16.71	1.15	577	0	30.12
2025-04-29 06:00	-7.951	-7.484	73.66	1.176	0.766	253.5	9.47	6.915	248.8	-17.21	1.15	583	0	30.12
2025-04-29 07:00	-7.497	-1.057	46.05	2.319	0.553	218.6	182.5	128.3	256.5	-12.61	1.14	581	0	30.13
2025-04-29 08:00	-1.257	0.422	40.07	2.646	0.799	90.7	342.6	324.5	200.8	-7.273	1.14	567	0	30.13
2025-04-29 09:00	0.053	1.503	39.57	4.9	1.294	62.65	443.8	661.2	229.4	-2.9	1.15	548	0	30.13
2025-04-29 10:00	-0.72	1.052	48.85	5.259	1.765	61.53	387.7	588.9	238.9	-2.642	1.14	536	0	30.13
2025-04-29 11:00	-1.27	1.095	47.52	5.161	1.603	113	468.2	735.7	251.2	-1.79	1.15	529	0	30.14
2025-04-29 12:00	0.574	2.179	45.24	7.334	1.535	162.1	450.2	751.3	247.6	-1.778	1.14	530	0	30.13
2025-04-29 13:00	-2.111	1.49	70.08	4.181	1.295	106.1	191.1	293.2	282.5	-2.494	1.14	535	0	30.13
2025-04-29 14:00	-1.593	2.109	48.47	3.348	1.359	84.6	494.3	799.5	250.6	-1.324	1.14	539	0	30.12
2025-04-29 15:00	1.461	2.614	49.47	4.1	1.51	223.1	320.5	549.1	266.8	-1.664	1.14	540	0	30.1
2025-04-29 16:00	0.366	1.658	58.14	4.557	1.368	16.69	170.3	290.8	245.1	-2.392	1.14	541	0	30.1
2025-04-29 17:00	-1.227	0.87	75.81	4.737	1.534	92	202.6	361.8	231.8	-2.293	1.14	542	0	30.1
2025-04-29 18:00	-1.169	0.165	63.96	3.822	1.344	63.86	150.1	244.2	261.4	-1.965	1.14	542	0	30.11
2025-04-29 19:00	-1.775	-0.296	71.19	2.597	0.715	177.2	29.81	47.35	240.6	-3.667	1.14	543	0	30.11
2025-04-29 20:00	-3.196	-1.788	74.17	1.111	0.362	276.7	0.354	-3.099	221.4	-5.749	1.14	543	0	30.11