Swamp Angel Study Plot Full Daily Data – Center for Snow and Avalanche Studies

Date	Daily Average Air Temperature (C°), Lower	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)	Daily Precipitation (mm)	Water Year Precipitation (mm)
2025-07-20	11.62	5.138	17.04	51.93	4.982	0.886	246.3	7999	7999	7999	14.69	-0.046	0.9	0	772
2025-07-21	10.87	7.474	14.72	67.37	6.893	0.895	224.7	7999	7999	7999	13.26	-0.021	1.4	1	773
2025-07-22	9	6.094	13.74	84.1	6.648	0.874	221.8	7999	7999	7999	12.39	0.016	1	6	779
2025-07-23	11.07	5.501	15.42	56.46	7.105	1.077	225.2	7999	7999	7996	16.23	-0.02	1	0	779
2025-07-24	10.67	6.486	14.86	52.46	7.105	0.896	237.3	7999	7999	7999	12.09	-0.005	1.3	0	779
2025-07-25	10.23	4.769	16.26	49.33	5.684	0.981	250.2	7999	7999	7999	11.13	-0.017	1.4	1	780
2025-07-26	11.23	4.686	17.79	34.27	9.91	1.187	275.8	7999	7999	7984	17.61	-0.04	1.5	0	780
2025-07-27	12.32	4.951	19.32	29.27	7.84	1.162	269.2	7999	7999	7988	19.18	-0.049	1.4	0	780
2025-07-28	13.29	6.136	18.56	35.55	7.873	1.029	236.8	7999	7999	7988	16.45	-0.019	0	0	780
2025-07-29	11.97	7.797	17.34	46.37	7.415	0.962	247.7	7999	7999	7999	13.71	-0.014	1.1	0	780
2025-07-30	10.42	5.405	16.72	50.87	5.439	0.967	242.1	7999	7999	7999	10.63	-0.014	1.1	0	780
2025-07-31	10.27	5.263	17.69	60.15	5.782	1.02	232	7999	7999	7999	13.93	0.02	1.7	2	782
2025-08-01	8.89	3.25	16.01	68.17	7.007	0.965	239.7	7999	7999	7999	10.94	-0.038	1.1	13	795
2025-08-02	12.35	5.669	18.35	39.96	7.481	1.275	241.4	7999	7999	7988	16.88	-0.028	1.6	0	795
2025-08-03	11.7	4.502	18.67	25.18	8.66	1.158	239.2	7999	7999	7992	17.66	-0.046	1.6	0	795
2025-08-04	12.4	4.32	20.07	19.55	7.023	1.239	250.4	7999	7999	7990	18.3	0	1.2	0	795
2025-08-05	13.39	7.952	18.6	23.59	7.513	1.256	240.4	7999	7999	7992	17.2	-0.029	1.4	0	795
2025-08-06	13.42	7.431	19.35	38.68	7.089	1.057	243.8	7999	7999	7995	16.38	-0.006	1.4	0	795
2025-08-07	14.31	7.122	21.17	35.62	7.399	1.188	243.1	7999	7999	7979	19.94	-0.006	1.5	0	795
2025-08-08	14.59	8.71	19.32	28.98	8.3	1.285	239.4	7999	7999	7983	19.72	-0.03	1.7	0	795
2025-08-09	12.87	5.669	18.62	26.28	8.07	1.185	238.2	7999	7999	7999	18.47	0.007	1.5	0	795
2025-08-10	11.13	4.574	16.44	28.93	9.65	1.232	230.9	7999	7999	7999	17.52	-0.024	1.8	0	795
2025-08-11	9.89	3.503	16.09	31.02	8.09	1.36	84	7999	7999	7999	18.8	-0.043	1.7	0	795
2025-08-12	12.22	5.292	19.44	38.53	6.386	1.037	233	7999	7999	7999	20.54	-0.017	1.6	0	795
2025-08-13	13.52	6.443	19.11	34.82	5.749	1.018	202.2	7999	7999	7999	17.25	-0.009	1.6	0	795
2025-08-14	12.87	8.43	18.1	36.19	7.579	0.97	239.7	7999	7999	7999	14.34	-0.019	1.3	0	795
2025-08-15	11.14	6.515	17.45	54.4	7.187	1.113	232.1	7999	7999	7999	13.71	0.01	1.6	0	795
2025-08-16	10.64	5.613	15.77	59.24	5.325	1.17	222.7	7999	7999	7999	17.48	-0.011	1.7	0	795
2025-08-17	10.99	4.024	18.34	39.78	5.962	0.963	215.1	7999	7999	7999	17.43	-0.001	1.7	0	795
2025-08-18	13.15	6.248	19.38	33	7.203	0.984	202.3	7999	7999	7999	18.64	-0.017	1.7	0	795
2025-08-19	14.1	6.967	21.34	27.6	6.484	1.165	114	7999	7999	7999	20.19	0.005	1.2	0	795
2025-08-20	14.48	7.909	21.28	37.16	7.154	1.23	122.8	7999	7999	7998	22.53	-0.012	1.7	0	795
2025-08-21	15.31	8.05	22.18	32.89	7.497	1.347	124.3	7999	7999	7992	22.85	-0.021	0	0	795
2025-08-22	13.73	8.16	20.34	48.38	7.236	1.276	188.6	7999	7999	7999	19.66	-0.051	1.7	0	795
2025-08-23	11.39	7.023	16.07	68.11	5.243	0.948	222.2	7999	7999	7999	13.81	0.012	1.4	5	800
2025-08-24	9.11	5.768	14.24	81.1	5.112	0.892	185	7999	7999	7999	11.19	-0.009	1.4	4	804
2025-08-25	9.54	5.461	15.28	80.8	4.998	0.751	237.3	7999	7999	7999	11.39	0.004	1.1	0	804
2025-08-26	8.64	5.84	13.3	85.4	4.622	0.842	240.9	7999	7999	7999	12.37	0.021	1.3	18	822
2025-08-27	8.48	5.557	13.15	82.2	8.07	0.956	242.5	7999	7999	7999	13.04	0.03	1.3	0	822
2025-08-28	9.17	3.589	14.87	64.4	4.949	0.847	234.6	7999	7999	7999	12.06	0.025	1.1	0	822
2025-08-29	7.835	3.925	11.57	84.4	5.21	0.746	215.6	7999	7999	7999	10.31	0.027	2	4	826
2025-08-30	6.836	1.941	12.08	72.33	6.484	1.189	86.7	7999	7999	7999	11.16	0.04	1.4	0	826
2025-08-31	7.046	2.403	14.59	69.73	6.174	0.959	253.4	7999	7999	7999	9.92	0.002	3.1	2	828
2025-09-01	9.99	3.533	16.6	49.93	6.713	1.255	152.9	7999	7999	7983	14.13	0.018	1.5	0	828
2025-09-02	10.14	4.377	16.17	47.53	6.958	1.141	203.1	7999	7999	7985	13.4	-0.016	1.5	0	828
2025-09-03	10.13	3.418	16.92	42.94	6.55	0.964	156.1	0	0	0	11.64	-0.014	1.2	0	828
2025-09-04	7.629	4.278	15.76	65.77	6.86	0.852	225.1	22.71	116	289.8	9.12	-0.003	2.3	2	830
2025-09-05	6.124	3.757	10.92	85.3	6.125	0.778	235.9	20.59	138.7	299.7	9.51	0.002	1.9	4	834
2025-09-06	5.958	1.971	12.59	78.33	5.063	0.867	237.8	21.8	128.8	284	7.668	0.003	3	5	839
2025-09-07	7.354	1.941	13.76	69.65	5.684	0.952	109.6	36.69	224.5	288.3	9.72	-0.035	1.3	1	840
2025-09-08	8.52	3.164	14.56	55.72	5.423	1.009	248.2	29.69	174.2	265.1	8.56	0.004	1.5	0	840
2025-09-09	9.11	4.363	15.29	58.01	6.664	1.004	241.9	40.11	233.9	271.7	10.89	0.018	1.4	0	840
2025-09-10	9.38	5.362	15.63	63.16	7.317	1.186	240.3	38.9	217.1	290.8	12.49	-0.008	1.4	7	847
2025-09-11	7.351	4.037	13.02	84	6.305	1.086	237.7	18.94	127	305.2	9.72	0.009	1.4	10	857
2025-09-12	4.761	2.403	7.023	94.7	5.602	1.074	242.5	7.418	52.9	313.6	6.591	0.005	1.6	20	877
2025-09-13	2.343	-0.651	7.122	93	7.35	1.009	240.2	20.52	137.1	275.1	5.551	0.005	3.7	9	886
2025-09-14	3.12	-1.972	9.88	64.87	6.925	1.052	235.4	40.73	273.2	230.7	7.062	0.008	1.5	0	886
2025-09-15	6.262	-0.213	14.05	53.94	5.619	0.906	255.3	34.39	204.7	246	7.376	0.024	1.5	1	887
2025-09-16	7.195	1.8	14.08	51.27	6.386	1.039	249.3	26.78	165.5	258.7	6.349	0.006	1.6	0	887
2025-09-17	6.451	1.052	12.31	42.47	8.71	1.257	233.2	46.84	268.5	227.6	9.07	0.019	1.6	0	887
2025-09-18	5.612	-0.691	13.53	49.18	5.994	1.041	124	46.64	263.3	228.1	9.9	0.019	1.7	0	887
2025-09-19	6.936	3.234	11.17	62.4	4.426	0.738	249	10.5	66.79	284.7	7.237	-0.003	1.2	0	0
2025-09-20	5.935	1.728	10.99	78.76	6.305	0.983	238.8	20.58	130.8	297.3	8.52	0.02	2.9	1	1
2025-09-21	7.843	3.8	13.29	61.68	5.668	0.962	236	30.62	182.6	280.6	10.74	0.028	1.3	0	1
2025-09-22	4.705	-0.028	9.56	74.91	5.553	0.74	235.4	12.46	86.6	295.2	5.041	0	8.4	10	11
2025-09-23	0.855	-1.241	4.63	87.3	6.778	0.755	77.22	28.66	165.9	271.5	4.283	0.02	1.5	2	13
2025-09-24	4.131	-1.409	10.73	69.14	5.161	1.144	125	39.74	248	229.4	7.46	0.01	1.6	0	13
2025-09-25	5.864	-0.352	13.98	56.95	6.517	0.963	245.4	36.95	216.8	233.2	7.975	0.012	1.6	0	13
2025-09-26	4.904	1.573	11.14	70.94	5.553	0.83	248	17.95	114.2	283.3	6.178	0.08	2.1	1	14
2025-09-27	6.296	1.955	11.73	65.7	5.341	0.891	263.8	17.9	115.7	285.5	6.637	0.024	1.9	2	16
2025-09-28	4.288	0.406	9.65	82.1	5.978	1.03	240.4	23.8	170	299.2	8.65	0.022	2	7	23
2025-09-29	3.526	-0.608	8.88	82	4.23	0.939	243.4	21.6	146.2	266.8	6.096	0.03	1.3	1	24
2025-09-30	5.312	2.04	8.73	74.07	4.606	0.906	244.7	17.01	121.7	283.4	6.199	0.016	1.2	0	24
2025-10-01	5.992	0.983	12.91	61.16	6.419	0.982	255.1	38.75	238.9	249	9.27	0.018	1.5	5	5
2025-10-02	6.617	-0.087	15	54.27	5.276	1.047	254.3	38.34	223.6	233.6	8.52	0.012	1.4	0	0
2025-10-03	7.172	3.672	12.6	62.92	8.43	1.388	251.3	28.79	163.6	279.3	8.42	0.037	1.4	8	8
2025-10-04	2.873	-2.282	6.024	71.59	8.12	1.681	249.8	11.03	76.95	274.1	2.526	0.045	1.6	15	23
2025-10-05	2.51	-2.325	9.05	49.04	7.203	1.015	240.2	33.93	213	211.7	3.547	0.023	1.5	0	23
2025-10-06	3.291	-1.382	9.85	45.2	5.063	1.016	243.2	32.65	197.2	217.4	3.705	0.012	1.4	0	23
2025-10-07	4.53	-1.27	12.28	39.06	7.971	1.15	249.5	37.83	219	214.8	5.047	0.01	1.3	0	23