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)
2026-08-15	10.05	4.489	15.47	61.02	4.851	0.934	243.4	38.99	252.1	270.9	13.59	0.007	1.5	0	739
2026-08-16	10.82	3.813	18.23	49.29	4.851	0.823	209.7	47.08	281.8	265.8	15.7	0.03	1.5	0	739
2026-08-17	12.18	5.501	19.01	40.74	5.929	0.913	240.6	43.75	257.3	268.6	15.91	0.006	1.5	0	739
2026-08-18	13.57	6.473	19.46	41.13	5.88	1.015	235.4	40.08	234.8	290.3	17.14	0.033	0	0	739
2026-08-19	13.53	8.87	20.23	51.18	6.288	1.239	202.7	43.37	253.7	296	19.5	0.006	2.8	0	739
2026-08-20	13.66	7.418	20.8	48.77	7.546	1.254	150	39.34	235	290.4	16.53	0.011	0	0	739
2026-08-21	12.29	7.797	20.42	56.85	5.929	0.825	240	25.07	141.6	302	13.71	0.014	1.3	0	739
2026-08-22	11.12	7.178	18.15	71.16	5.357	0.701	224.4	23.95	151.8	309.2	12.54	0.051	1.1	0	739
2026-08-23	10.54	6.15	15.28	72.43	6.893	0.85	231.1	26.13	178.5	299.3	12.32	0.05	2	0	739
2026-08-24	10.46	4.531	16.56	63.87	6.207	0.843	160	30.11	184.8	293.1	12	0.011	1.9	0	739
2026-08-25	6.373	4.839	8.27	95.1	3.806	0.872	258	2.893	16.12	293.4	6.92	0.034	2.2	0	0
2026-08-26	10.81	4.67	18.5	59.07	6.762	0.876	248.2	36.05	227.8	284.9	12.21	0.064	2.4	0	0
2026-08-27	11.28	5.613	18.55	55.56	6.746	0.807	217	35.61	221.3	283	12.33	0.021	1.9	0	0
2026-08-28	12.16	6.953	17.96	55.11	6.435	0.871	234	29.18	176.1	304.1	12.31	-0.008	1.1	0	0
2026-08-29	11.1	7.204	15.94	66.5	7.742	0.826	245.5	27.73	180.5	311.9	12.71	0.035	1.2	0	0
2026-08-30	10.07	4.839	16.67	67.9	7.546	1.05	240.4	29.92	183.2	313	13.02	0.016	1.6	0	0
2026-08-31	6.697	4.489	12.56	89.2	4.149	0.91	240.2	14.17	94.4	311.7	9.18	0.029	1.5	0	0
2026-09-01	7.336	3.121	13.3	79.1	4.851	0.799	241.9	28.88	175.8	281.4	9.84	0.013	1.1	0	0
2026-09-02	8.13	4.433	14.6	71.38	6.582	1.021	250.3	28.45	179	288.7	9.81	0.032	1.6	0	0
2026-09-03	9.57	3.757	15.12	59.83	5.014	0.936	252.2	45.42	282.9	261.8	11.71	0.022	1.1	0	0
2026-09-04	10.33	6.572	15.57	65.68	5.913	0.985	251.3	26.95	166.9	285.3	9.95	0.011	1.3	0	0
2026-09-05	10.84	4.657	17.61	58.39	5.504	0.754	235.3	48.51	280.6	273.5	13.93	0.006	1.4	0	0
2026-09-06	10.52	3.784	16.79	58.6	5.749	0.823	258.8	28.26	158.1	291.1	10.88	0.005	1.6	0	0
2026-09-07	10.74	7.036	16.19	70.26	7.432	0.869	240.4	27.65	176.4	314.6	12.77	0.017	1.3	0	0
2026-09-08	11.58	6.499	17.48	57.09	4.802	0.968	247.7	31.07	184.7	288.6	11.61	-0.007	1.4	0	0
2026-09-09	10.72	4.686	17.49	40.82	5.749	0.925	246	49.84	285.1	246.5	12.87	0.011	1.4	0	0
2026-09-10	9.65	2.433	18.12	26.88	5.749	0.846	180.2	51.78	289.6	223.1	11.56	0.042	1.6	0	0
2026-09-11	10.7	4.644	16.66	40.93	6.158	0.947	241	33.73	185.2	270.9	10.3	0.045	1.2	0	0
2026-09-12	9.62	4.798	16.33	71.6	9.29	1.067	224.2	36.13	215.5	288.1	12.52	0.027	2.3	0	0
2026-09-13	9.91	5.53	16.04	73.71	4.655	0.975	231.8	23.48	138.6	295	9.67	0.01	1.4	0	0
2026-09-14	7.976	5.474	12.91	93.5	4.884	0.765	241.5	12.05	85.9	318.2	9.6	0.026	1.2	0	0
2026-09-15	8.24	3.744	14.59	80.1	6.207	0.99	233.2	26.78	175.8	307.6	10.95	0.055	1.5	0	0
2026-09-16	8.61	4.176	13.74	79.8	3.838	0.898	228.4	23.47	153.3	315	11.53	0.044	1.2	0	0
2026-09-17	7.74	6.556	10.04	95.9	4.018	0.902	247.7	9.7	73.95	344.3	10.53	0.04	1.3	0	0
2026-09-18	8.23	5.22	12.87	81.8	4.622	0.884	239.5	30.12	202.1	288.5	11.6	0.063	1.3	0	0
2026-09-19	6.668	2.644	11.42	67.66	6.827	1.058	246	23.92	154.6	266	7.156	0.032	1.3	0	0
2026-09-20	5.979	0.884	11.91	52.97	6.893	1.056	234.1	39.23	235.4	227.8	6.833	0.027	1.5	0	0
2026-09-21	6.038	-0.087	13.39	51.52	5.308	0.756	240.9	37.63	213.3	237.7	7.541	0.031	1.5	0	0
2026-09-22	5.772	2.251	13.04	71.93	7.497	0.984	252.9	22.68	134	289.8	7.078	0.036	2	0	0
2026-09-23	4.843	1.573	7.573	92	4.198	0.709	156.8	11.28	79.57	310.4	7.412	0.042	1.3	0	0
2026-09-24	5.58	3.533	8.78	91.7	4.557	0.575	150.9	9.21	64.3	329.4	8.15	0.014	1.2	0	0
2026-09-25	3.415	0.251	7.431	94.3	5.243	0.659	219.2	17.51	117.4	303.4	6.637	0.03	1.1	0	0
2026-09-26	5.442	1.025	10.92	80.8	4.851	0.789	244.5	19.18	130.6	279.4	6.463	0.032	1.5	0	0
2026-09-27	6.676	1.517	11.25	67.05	5.145	0.747	248.3	20.09	132.4	279.6	6.603	0.038	0.7	0	0
2026-09-28	2.926	0.702	7.642	89.2	5.325	0.874	242.6	4.631	37.44	318.1	3.755	0.056	0.9	0	0
2026-09-29	4.831	2.123	8.23	90.6	3.822	0.76	107.7	17.55	122	308.2	8.22	-0.003	1.2	0	0
2026-09-30	3.603	1.533	5.517	99.2	4.492	0.88	97.8	6.864	52.35	321.6	6.45	0.054	1.3	0	0
2026-10-01	5.413	0.969	11.66	75.67	5.782	0.912	92.6	36.42	230.4	248.3	8.21	0.05	1.3	0	0
2026-10-02	6.073	0.392	13.14	71.64	5.047	0.921	89.1	35.94	225.4	234.1	7.772	0.022	1.5	0	0
2026-10-03	7.354	1.477	14.47	54.13	6.207	1.019	109.5	37.04	224	234.5	7.466	0.028	1.2	0	0
2026-10-04	7.888	3.306	13.76	60.81	6.501	1.012	196.1	33.42	203.3	253.6	8.27	0.015	1.4	0	0
2026-10-05	7.035	2.702	14.28	63.7	5.847	0.773	94.1	30.78	178	252.1	7.546	0.023	1.3	0	0
2026-10-06	6.374	2.363	14.77	65.45	5.357	0.696	117.3	23.95	135.2	272	6.517	0.009	1.3	0	0
2026-10-07	6.568	2.347	12.91	55.88	6.288	0.825	250.5	28.8	173	255.8	6.677	0.024	1.5	0	0
2026-10-08	5.939	2.011	12.8	53.4	6.631	0.819	260.6	19.78	113.2	247.9	3.841	0.009	1.2	0	0
2026-10-09	4.854	0.63	11.78	59.26	5.717	0.877	249.7	23.01	133.7	246.1	3.439	0.037	1.5	0	0
2026-10-10	4.26	1.052	7.728	83.3	4.639	0.794	245.3	11.34	81.2	307	5.203	0.027	1	0	0
2026-10-11	4.692	2.545	7.106	88.2	7.889	1.637	247	6.494	47.25	320.5	5.032	0.026	1.2	0	0
2026-10-12	3.004	1.391	6.63	82.7	10.39	1.344	245.6	11.89	85.8	307.4	3.983	0.014	3.5	0	0
2026-10-13	0.854	-1	3.234	93.5	6.942	1.062	249.2	30.99	79.08	308.2	0.356	0.078	24.9	0	0
2026-10-14	-2.072	-4.208	0.996	97.1	3.61	0.057	241.8	64.16	20.25	309.3	-2.691	0.297	50.1	0	0
2026-10-15	-2.038	-5.799	5.912	96.2	4.214	0.565	94.2	129.1	81	299.9	-3.334	0.211	49.9	0	0
2026-10-16	-1.901	-7.951	6.686	81.9	2.744	0.804	257.3	144	206.5	227.3	-9.55	0.153	48.1	0	0
2026-10-17	1.087	-4.448	10.22	58.88	4.296	0.829	245.4	135.7	201.2	205.9	-7.901	0.112	44.2	0	0
2026-10-18	1.097	-3.548	6.037	66.5	4.132	0.739	238.2	64.09	94.1	269.8	-4.394	0.114	44.1	21	21
2026-10-19	2.159	-1	7.487	82.3	4.851	0.755	224.7	79.54	139.3	278.6	-1.418	0.08	32.5	4	25
2026-10-20	2.011	-2.394	7.557	79.25	3.936	0.545	241.9	80.7	151.5	268.3	-2.601	0.062	31	1	26
2026-10-21	1.145	-0.496	4.433	93.1	4.1	0.602	240.6	16.23	32.02	295.2	-1.318	0.055	48.6	141	167
2026-10-22	1.824	0.04	3.856	97.9	5.145	0.639	238.4	18.32	31.08	319.6	-0.313	0.103	68.7	209	376
2026-10-23	1.123	-1.425	4.262	87.4	7.709	1.246	247.3	67.6	92.2	274.4	-1.869	0.091	54.3	20	396
2026-10-24	0.038	-1.943	2.969	95.9	4.312	0.358	257.8	45.9	41.69	297.8	-2.037	0.266	78.1	67	463
2026-10-25	-1.219	-3.236	2.614	93.9	4.083	0.269	252.3	79.04	49.4	301.4	-3.92	0.344	105.4	0	463
2026-10-26	-2.765	-7.273	2.745	89.4	4.769	0.984	226.8	141.6	196	231.9	-8.82	0.291	110.2	0	463
2026-10-27	-0.654	-4.448	4.812	81.3	3.708	0.869	246.7	60.58	85.9	203.8	-7.87	0.265	108.7	0	0
2026-10-28	-0.884	-5.588	6.219	62.26	4.524	0.862	244.2	126.5	181.8	194.7	-9.87	0.234	103.8	0	0
2026-10-29	0.696	-4.982	6.192	60.99	5.553	0.897	251.6	113.3	154.8	219.5	-7.346	0.223	94.9	0	0
2026-10-30	1.831	-1.9	6.598	71.26	4.247	0.773	259.2	84	114.1	258.5	-4.028	0.276	103.1	2	2
2026-10-31	-0.662	-4.421	3.081	86.2	4.72	0.586	242.4	94.2	108	266.4	-5.879	0.263	106.3	1	3
2026-11-01	0.579	-0.496	2.758	97.8	6.256	1.109	246.6	22.2	24.19	317.5	-0.382	0.492	158.7	13	16
2026-11-02	-2.827	-4.194	-0.282	99.1	0	0	186.4	65.74	18.97	305.4	-3.615	0.703	179	0	16