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)
2024-12-15 03:00	-4.277	-3.337	55.71	3.414	0.981	223.1	-0.381	-2.142	236.4	-12.49	0.78	227	30.09
2024-12-15 04:00	-4.306	-3.997	49.86	4.606	1.537	240.8	-0.181	-1.373	249.1	-11.24	0.78	227	30.08
2024-12-15 05:00	-4.672	-4.165	47.97	4.606	1.646	258.3	-0.296	-1.711	241.6	-11.74	0.78	227	30.07
2024-12-15 06:00	-5.009	-4.547	47.28	3.463	0.9	206.9	-0.3	-1.27	254.9	-11.44	0.78	227	30.08
2024-12-15 07:00	-5.177	-4.392	47.14	5.145	1.088	229.9	-0.242	-1.319	247.7	-11.67	0.78	227	30.09
2024-12-15 08:00	-4.939	-4.138	51.28	4.769	1.278	218.7	11.54	12.84	231.2	-12.57	0.78	227	30.09
2024-12-15 09:00	-5.177	-4.277	49.49	4.965	1.633	242.1	64.57	117.7	178.1	-15.96	0.77	227	30.09
2024-12-15 10:00	-4.277	-3.196	46.13	5.08	1.438	198.8	305.8	358.7	170.7	-12.94	0.77	227	30.11
2024-12-15 11:00	-4.234	-3.842	47.23	4.312	1.811	250	327.7	488.6	170.9	-11.12	0.77	227	30.12
2024-12-15 12:00	-4.026	-2.632	39.18	4.23	1.757	247.1	399.9	532.6	170.3	-10.82	0.77	227	30.11
2024-12-15 13:00	-3.179	-2.226	38.26	4.279	1.725	254.3	450.5	568.4	170.3	-9.19	0.77	227	30.1
2024-12-15 14:00	-2.52	-2.085	37.24	4.606	1.959	242.8	387.1	509.5	172.3	-9.81	0.77	227	30.1
2024-12-15 15:00	-3.842	-2.312	38.47	3.757	1.854	244	183.1	323	171	-13.38	0.78	227	30.1
2024-12-15 16:00	-6.261	-3.828	47.4	3.185	1.259	248	24.17	24.77	170.4	-19.14	0.77	227	30.11
2024-12-15 17:00	-7.457	-5.417	50.86	2.45	1.058	263.8	9.88	8.65	169.4	-20.78	0.77	227	30.13
2024-12-15 18:00	-8.74	-7.441	55.78	1.715	0.938	273.1	-0.481	-3.503	165.6	-22.24	0.77	227	30.15
2024-12-15 19:00	-9.51	-8.71	57.38	1.895	1.101	272.1	-0.474	-3.248	160.6	-23.44	0.77	227	30.16
2024-12-15 20:00	-10.17	-9.26	56	1.65	0.749	281.1	-0.462	-3.236	156.4	-24.86	0.77	227	30.17
2024-12-15 21:00	-10.54	-9.89	42.46	1.584	0.758	267.6	-0.526	-3.376	151.4	-26.42	0.77	227	30.17
2024-12-15 22:00	-10.85	-9.72	37.96	1.65	0.842	269.2	-0.397	-2.969	151.6	-26.47	0.77	227	30.18
2024-12-15 23:00	-9.82	-9.02	33.55	2.123	1.039	276.6	-0.398	-2.981	150.9	-25.95	0.77	227	30.2
2024-12-16 00:00	-9.41	-8.65	28.56	2.254	1.169	273.6	-0.393	-2.814	157.8	-25.32	0.77	227	30.2
2024-12-16 01:00	-9.08	-7.895	27.81	2.679	1.479	263.8	-0.371	-2.8	163.7	-24.15	0.76	227	30.2
2024-12-16 02:00	-8.5	-6.838	30.04	3.691	1.543	257	-0.515	-3.198	165.3	-23.69	0.77	227	30.19
2024-12-16 03:00	-8.31	-7.134	34.17	2.025	1.024	277.3	-0.537	-2.995	168.3	-23.76	0.77	227	30.19
2024-12-16 04:00	-7.823	-7.022	34.47	1.846	0.895	273.9	-0.575	-3.047	169.9	-23.86	0.77	227	30.19
2024-12-16 05:00	-7.54	-6.824	34.78	1.65	0.822	276.4	-0.526	-2.903	168.7	-23.73	0.77	227	30.19
2024-12-16 06:00	-7.668	-6.541	38.63	2.058	0.825	274.8	-0.645	-3.087	168.1	-23.87	0.77	227	30.2
2024-12-16 07:00	-7.372	-6.485	34.64	1.993	0.857	272.3	-0.454	-2.648	176.4	-23.32	0.77	227	30.21
2024-12-16 08:00	-6.854	-5.15	32.68	2.352	0.892	270.9	16.42	18.9	180.8	-22.28	0.76	227	30.21
2024-12-16 09:00	-5.7	-3.858	32	1.731	0.755	261	75.7	111.5	184.8	-20.41	0.77	227	30.22
2024-12-16 10:00	-3.858	1.615	14.42	2.107	0.688	241.5	247.8	308.5	214.4	-13.01	0.77	227	30.24
2024-12-16 11:00	0.969	1.322	16.16	3.136	1.022	259.7	255.2	371.2	200.7	-11.69	0.77	227	30.25
2024-12-16 12:00	1.124	2.716	17.93	4.41	1.355	247.7	346	460.2	198	-9.75	0.77	227	30.23
2024-12-16 13:00	1.757	2.702	17.91	3.25	0.922	218.9	411	526.7	187.4	-8.6	0.76	227	30.23
2024-12-16 14:00	2.04	2.515	21.22	3.463	1.264	250.1	371.4	495.5	184.3	-8.67	0.76	227	30.22
2024-12-16 15:00	-0.381	2.139	20.99	3.887	1.528	244.8	180.4	316.3	180.9	-12.44	0.77	227	30.21
2024-12-16 16:00	-2.282	0.491	25.94	4.688	1.573	243.3	28.77	32.01	174.9	-16.85	0.76	227	30.22
2024-12-16 17:00	-4.616	-1.93	26.87	2.515	0.959	255.5	9.99	8.83	164.5	-20.7	0.77	227	30.23
2024-12-16 18:00	-4.953	-3.786	22.83	2.205	0.89	234.7	-0.565	-3.619	169.7	-21.98	0.76	227	30.22
2024-12-16 19:00	-3.954	0.334	8.35	5.537	1.416	209.9	-0.003	-2.8	176.4	-18.81	0.77	227	30.21
2024-12-16 20:00	-0.453	1.009	9.99	6.517	2.424	249.1	-0.433	-3.552	174.5	-16.34	0.76	227	30.2
2024-12-16 21:00	0.617	1.095	9.58	9.05	2.724	250.3	-0.642	-3.835	176.2	-15.13	0.77	226	30.19
2024-12-16 22:00	0.94	1.42	10.05	7.236	2.705	253.5	-0.622	-2.879	214.8	-13.16	0.77	225	30.18
2024-12-16 23:00	1.279	1.615	10.51	7.693	3.081	248.1	-0.601	-2.222	236.8	-11.39	0.77	224	30.19
2024-12-17 00:00	0.983	1.517	11.49	7.938	3.19	255.8	-0.644	-2.467	228.3	-11.43	0.76	221	30.18
2024-12-17 01:00	0.758	1.279	11.3	8.22	3.082	251.5	-0.638	-2.981	208.8	-12.56	0.76	220	30.17
2024-12-17 02:00	0.646	1.081	16.28	7.66	2.806	255.3	-0.6	-2.668	218.3	-12.07	0.76	220	30.16
2024-12-17 03:00	0.603	0.996	16.85	6.844	2.664	252.8	-0.645	-2.711	220.1	-12.15	0.76	220	30.16
2024-12-17 04:00	-0.199	0.785	19.21	5.374	2.066	244.5	-0.762	-2.775	226.5	-12.37	0.76	220	30.16
2024-12-17 05:00	-1.649	0.027	28.18	3.267	1.145	223.7	-0.919	-3.001	226.4	-13.69	0.76	220	30.15
2024-12-17 06:00	-3.927	-1.126	39.86	3.136	0.649	255.6	-1.143	-3.896	206.7	-16.57	0.76	220	30.15
2024-12-17 07:00	-4.616	-3.716	40.72	1.748	0.689	269.1	-0.629	-2.797	208.7	-17.64	0.76	220	30.15
2024-12-17 08:00	-4.969	-3.997	40.64	1.976	0.797	263.4	13.77	15.76	208.6	-17.32	0.75	220	30.16
2024-12-17 09:00	-4.603	-2.942	39.25	2.368	0.735	221.8	78.43	99.5	209.5	-16.19	0.76	220	30.16
2024-12-17 10:00	-3.294	-0.747	27.58	2.548	0.649	228.8	192.2	241.3	207.8	-13.3	0.75	220	30.18
2024-12-17 11:00	-1.03	-0.579	27.69	3.675	1.416	223.1	247.8	330.7	212.6	-10.52	0.75	220	30.2
2024-12-17 12:00	-0.72	0.04	42.98	3.593	1.267	195.9	300.7	394.8	215.8	-8.76	0.75	220	30.2
2024-12-17 13:00	-0.312	0.139	43.34	6.06	1.626	219.1	310.8	402.6	211.1	-7.543	0.75	220	30.19
2024-12-17 14:00	-0.239	0.278	42.64	5.08	1.948	226.9	297.5	396.6	206.9	-7.561	0.75	220	30.18
2024-12-17 15:00	-1.495	-0.101	46.67	5.194	1.958	228.1	165.6	263.4	196.4	-10.01	0.76	220	30.19
2024-12-17 16:00	-2.381	-1.465	49.67	4.9	1.412	228.8	27.36	31.6	190.8	-13.78	0.76	220	30.21
2024-12-17 17:00	-3.561	-2.325	53.98	3.92	1.051	238.5	8.63	7.19	188	-15.76	0.76	220	30.23
2024-12-17 18:00	-5.177	-3.324	53.06	3.561	0.961	8.08	-0.493	-3.576	186.5	-17.22	0.76	220	30.24
2024-12-17 19:00	-6.686	-4.771	55.89	2.156	0.611	311.1	-0.672	-3.85	179.4	-19.31	0.76	221	30.26
2024-12-17 20:00	-9.13	-6.643	66.56	1.748	0.755	280.1	-0.768	-3.638	174.5	-21.51	0.75	220	30.27
2024-12-17 21:00	-9.96	-9.09	67.07	1.976	0.622	269.7	-0.509	-3.141	173.8	-23.11	0.75	220	30.28
2024-12-17 22:00	-10.01	-8.08	59.6	2.172	0.905	277.8	-0.184	-2.518	174.6	-22.98	0.76	221	30.28
2024-12-17 23:00	-9.2	-7.81	58.34	1.748	0.537	269.5	-0.425	-2.79	175.9	-23.42	0.76	221	30.29
2024-12-18 00:00	-8.47	-7.484	52.95	2.058	0.794	270.3	-0.257	-2.499	176.4	-23.08	0.76	221	30.29
2024-12-18 01:00	-9.73	-7.61	57.71	1.225	0.445	267.7	-0.788	-3.319	174.9	-24.13	0.75	221	30.3
2024-12-18 02:00	-9.58	-7.78	53.82	1.421	0.512	261.9	-0.206	-2.204	180.3	-23.59	0.76	221	30.3
2024-12-18 03:00	-8.44	-7.457	51.19	1.274	0.469	260.4	-0.514	-2.595	180.6	-23.36	0.75	221	30.33
2024-12-18 04:00	-8.54	-7.372	50.89	1.552	0.592	263.8	-0.367	-2.275	185.6	-23	0.75	221	30.33
2024-12-18 05:00	-8.41	-6.867	56.43	1.388	0.407	262.7	-0.657	-2.524	188.9	-22.45	0.75	221	30.34
2024-12-18 06:00	-9.4	-8.38	56.18	1.192	0.462	257.6	-0.551	-2.695	185.5	-23.37	0.75	221	30.35
2024-12-18 07:00	-8.78	-8.16	55.35	1.209	0.511	263.1	-0.369	-2.219	190.2	-22.61	0.75	221	30.36
2024-12-18 08:00	-8.91	-6.742	52.08	1.78	0.664	261.7	11.86	14.03	202.9	-20.83	0.75	221	30.37
2024-12-18 09:00	-6.798	-4.095	50.75	3.74	0.655	233.4	79.75	104.7	217.5	-16.78	0.75	221	30.38
2024-12-18 10:00	-4.702	2.195	29.64	4.181	1.228	216.8	228.5	281.8	221.9	-11.8	0.75	221	30.38