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)
2025-04-13	4.072	-0.325	7.923	23.02	6.664	1.7	241.6	184.3	305.9	223.3	-5.356	1.486	651.5	0	616
2025-04-14	1.068	-4.264	7.317	42.05	4.655	0.954	253.3	199.9	329.9	209.7	-6.235	1.441	644.8	0	616
2025-04-15	1.306	-3.505	6.235	59.23	6.109	1.113	219.8	138.5	207.5	255.5	-4.455	1.426	634.7	2	618
2025-04-16	3.126	-0.776	7.33	55.43	8.51	1.494	239.5	111.9	162.6	273	-3.129	1.407	628.1	2	620
2025-04-17	0.817	-4.435	3.925	38.68	10.96	2.128	251.3	201.6	333.9	231.2	-4.731	1.441	618.2	9	629
2025-04-18	-7.59	-9.23	-4.421	93.7	6.011	0.952	121.3	128.6	35.81	290.2	-8.08	1.534	631	7	636
2025-04-19	-7.563	-10.96	-3.828	95.7	3.561	1.009	88.1	149.4	41.96	289.6	-8.5	1.57	644.4	5	641
2025-04-20	-5.692	-12.46	1.095	71.48	4.867	1.084	248.8	263.8	100.9	291.4	-11.37	1.456	654	0	641
2025-04-21	-1.372	-8.57	5.685	46.73	5.962	1.088	245.9	242.9	236.6	238	-8.74	1.409	653	0	641
2025-04-22	0.62	-5.855	7.487	42.32	6.109	1.122	243.3	211.2	313.3	222.4	-7.02	1.374	650.8	0	641
2025-04-23	2.16	-3.898	8.57	35.95	5.668	1.186	246.2	191.3	312.7	213.2	-6.752	1.325	639.4	0	641
2025-04-24	1.774	-3.604	7.952	37.91	5.88	1.194	244.7	187.6	326.8	211.5	-6.676	1.289	624.4	0	641
2025-04-25	2.568	-3.828	8.35	34.43	8.58	1.366	258.2	168.2	298.5	227.8	-5.763	1.251	597.8	0	641
2025-04-26	3.707	-1.142	8.08	30.28	8.22	1.486	247.7	192.8	351.7	210.3	-5.562	1.205	572.4	0	641
2025-04-27	0.51	-4.576	4.657	42.32	8.93	1.769	248.1	135.7	226.8	237.9	-5.266	1.187	558.2	0	641
2025-04-28	-4.348	-8.95	1.322	57.09	6.011	1.151	246.6	168.6	278.4	235.6	-7.219	1.148	554.9	1	642
2025-04-29	-2.702	-8.38	2.614	62.45	7.334	1.016	225.8	160.2	239.5	240.7	-7.63	1.136	552.8	0	642
2025-04-30	-0.487	-6.854	4.176	54.82	7.66	1.226	233.1	176	306.4	240.1	-5.414	1.107	529.3	1	643
2025-05-01	-0.764	-4.728	2.251	83.3	6.386	1.066	82.7	146.4	183.5	297.6	-3.354	1.114	532.1	6	649
2025-05-02	0.299	-6.36	7.656	44.45	5.047	0.961	202.9	227.6	365.5	220.6	-7.253	1.066	573.8	0	649
2025-05-03	2.595	-3.66	8.7	43.77	6.354	1.229	240.3	161.3	284.1	229.2	-5.085	1.017	488.2	0	649
2025-05-04	0.012	-2.928	4.951	76.97	7.824	1.013	254.2	123	190	269.4	-3.431	1.071	471	8	657
2025-05-05	-2.523	-6.403	3.151	80.8	6.027	1.239	237.6	166.1	128.6	294.2	-6.709	1.054	476.5	5	662
2025-05-06	-2.542	-5.388	0.884	84.2	5.635	1.163	105.1	137	145.8	286.8	-4.261	1.049	487.3	3	665
2025-05-07	-1.579	-7.233	3.632	70.58	4.949	0.833	131.3	167	226	255.2	-5.821	1.019	485	1	666
2025-05-08	0.516	-4.306	6.347	71.57	6.729	0.975	119.8	162.5	232.6	269.6	-4.172	0.999	495	0	666
2025-05-09	2.832	-2.24	8.31	61.04	7.464	1.192	111.4	153.1	256.8	255.2	-4.126	0.949	457.5	0	666
2025-05-10	4.287	-1.86	11.46	55.63	6.011	1.238	229.8	201.9	371.7	238.8	-3.958	0.867	403.7	0	666
2025-05-11	5.443	-0.707	11.36	45.59	6.272	1.136	232.5	176.3	327.9	237.9	-4.414	0.795	383.2	0	666
2025-05-12	6.954	-0.368	11.97	35.14	6.37	1.458	245.8	186.3	362.3	230.9	-4.728	0.737	342.6	0	666
2025-05-13	5.721	0.969	10.02	30.68	8.54	1.626	254.4	178.3	350.6	225.9	-4.594	0.655	312.7	0	666
2025-05-14	-2.322	-6.373	1.196	60.6	7.53	1.458	244.1	120.6	177.1	257	-6.279	0.707	326.2	5	671
2025-05-15	-2.806	-8.01	1.322	68.5	6.501	1.168	233.8	179.1	232.1	268.7	-7.027	0.692	328.8	3	674
2025-05-16	2.082	-2.843	6.598	46.85	8.54	1.171	231.3	185.4	293.2	249.7	-4.77	0.623	314.6	1	675
2025-05-17	0	0	0	35.14	6.664	1.285	231.5	152.3	293.3	239.7	-4.851	0.569	302.5	0	675
2025-05-18	-1.019	-3.871	3.589	71.07	9.29	1.308	247.1	154.2	99.7	288.7	-3.129	0.661	323.6	14	689
2025-05-19	-4.927	-8.67	-0.944	86	6.109	1.158	214.9	180.6	120.9	292.2	-6.633	0.742	339.8	14	703
2025-05-20	-1.752	-10.26	5.405	53.6	6.207	1.01	234.2	276.3	287.7	235.6	-10.05	0.634	335.9	0	703
2025-05-21	3.913	-2.718	10.08	38.88	7.154	1.132	245.3	234.6	371.1	218.3	-6.076	0.569	320.3	0	703
2025-05-22	6.502	-1.07	13.36	33.93	6.942	1.324	249.3	188.4	356	231.6	-5.378	0.491	286.3	0	703
2025-05-23	7.318	0.686	12.88	30.37	5.406	1.258	247.7	177.3	364.2	225.5	-5.109	0.415	258.3	0	703
2025-05-24	6.915	1.378	12.84	31.09	6.958	1.282	252.1	168.3	351.5	232.6	-4.562	0.336	222.7	0	703
2025-05-25	5.586	-0.651	11.52	35.4	8.48	1.131	255.2	154	335.1	233.7	-4.278	0.26	191.5	0	703
2025-05-26	1.849	-1.465	7.204	67.99	7.334	0.794	253.9	78.69	143.8	248.4	-3.184	0.253	189	1	704
2025-05-27	5.17	-1.748	12.28	46.81	7.709	1.245	210.7	134	318.1	240.6	0.198	0.155	154.6	0	704
2025-05-28	6.378	0.35	11.6	46.82	7.105	1.06	223.5	111.4	306	255.2	9.07	0.045	113.4	0	704
2025-05-29	6.444	1.095	12.6	51.86	7.219	1.108	227.2	90.2	307.2	257	13.51	0.002	63.7	0	704
2025-05-30	7.973	1.039	14.62	48.44	6.697	1.16	133.5	62.03	331.4	254.3	17.05	0.004	1.3	0	704
2025-05-31	9.03	3.009	16.97	45.32	5.602	1.153	249.4	48.32	330.8	260.5	20.67	0.018	1	0	704
2025-06-01	8.04	3.883	15.04	57.03	6.174	1.05	250.3	22.94	179	289.4	12.22	0.026	0.6	0	704
2025-06-02	4.928	1.081	9.04	83.4	4.002	0.824	236.5	9.07	95.1	323.9	8.7	0.038	1.1	14	718
2025-06-03	5.663	1.461	10.2	69.49	7.219	1.097	218.9	36.97	294.3	281.7	14.31	0.033	0.9	1	719
2025-06-04	3.349	-0.002	8.37	82.3	3.985	0.847	218.3	20.17	170.8	291.9	9.37	0.027	6.1	12	731
2025-06-05	2.789	0.165	7.079	93.8	4.034	0.83	232.3	16.51	171.3	303.4	8.33	0.028	2.1	7	738
2025-06-06	5.248	0.742	11.67	73.32	5.831	1.085	248.6	37.32	292.2	287.8	13.4	0.009	2.8	5	743
2025-06-07	6.142	-0.127	12.84	60.29	6.648	1.058	221.6	45	339	256.5	14.96	0.019	1.1	1	744
2025-06-08	8.51	1.447	15.02	44.72	5.798	1.173	237.4	56.25	379.1	247.4	20.28	0.016	1.2	0	744
2025-06-09	7.582	3.22	14.74	57.69	7.007	1.077	242.4	29.09	206.4	269.5	11.89	0.022	1.2	3	747
2025-06-10	8.61	2.403	16.36	47.74	6.664	1.245	234.4	45.09	301.8	262.3	16.85	0.03	1	0	747
2025-06-11	7.606	2.502	14.56	66.54	5.243	1.079	249.8	31.25	211.4	283.8	12.93	0.021	1.6	9	756
2025-06-12	9.5	2.996	16.05	50.2	5.733	1.118	252.4	39.2	284.4	266.3	13.54	0.025	1.3	0	756
2025-06-13	10.7	4.008	17.97	34.22	5.798	1.144	246.8	57.18	366.9	247.1	19.04	0.009	1.3	0	756
2025-06-14	11.45	3.981	18.52	29.1	5.635	1.181	248.8	59.46	373.2	242.4	21.18	-0.019	1.4	0	756
2025-06-15	12.16	4.686	19.62	25.04	5.619	1.194	251.4	57.57	355.2	242.6	21.06	-0.029	1.3	0	756
2025-06-16	12.7	4.7	19.42	21.32	7.089	1.229	247	61.62	377.5	239.9	22.3	-0.025	1.2	0	756
2025-06-17	11.51	5.995	16.52	24.24	8.66	1.326	234.5	60.74	369.7	250.7	22.87	-0.007	1.3	0	756
2025-06-18	10.46	2.376	17.03	30.99	5.88	1.228	86.9	62.44	374.4	240.2	22.91	-0.023	1.4	0	756
2025-06-19	13.07	4.235	20.17	27.12	6.076	1.249	241.2	57.55	345.1	258.9	22.92	-0.037	0.5	0	756
2025-06-20	15.89	12.25	19.24	21.42	10.18	2.446	248	58.47	346.8	261.8	24.08	-0.026	0.5	0	756
2025-06-21	13.05	10.01	16.46	21.68	7.415	1.842	253.9	64.46	377.6	235.6	23.89	-0.023	0.5	0	756
2025-06-22	9.7	3.632	14.64	34.21	9.23	1.599	254.1	63.74	373.4	237.3	22.6	-0.035	1.4	0	756
2025-06-23	9.4	3.151	15.35	35.36	7.464	1.297	256.9	62.71	367.7	241.2	22.06	-0.016	1.3	0	756
2025-06-24	9.79	5.781	14.4	58.65	5.227	1.096	245.8	37.09	226.4	297.4	15.4	-0.041	1.4	2	758
2025-06-25	9.22	3.77	14.86	48.46	8.97	1.104	239.9	44.63	261.7	268.4	15.61	-0.041	1.6	0	758
2025-06-26	9.6	1.728	16.21	31.74	5.504	1.037	244.3	53.12	306.2	249.2	18.34	-0.048	1.2	0	758
2025-06-27	11.17	3.757	17.29	27.67	8.3	1.2	238.7	64.46	373.3	248.6	23.43	-0.041	1.5	0	758
2025-06-28	11.63	4.294	17.63	29.9	6.599	1.263	235.7	64.51	375.8	254	24.27	-0.036	1.4	0	758
2025-06-29	11.64	4.176	18.21	29.81	9.64	0.971	250.1	47.78	269.3	265.1	18.58	-0.037	1.4	0	758
2025-06-30	10.97	5.613	16.76	43.39	5.7	1.062	248	34.16	182.7	284.8	14.13	-0.026	1.2	0	758
2025-07-01	8.69	4.064	16.6	62.54	7.04	1.15	226.1	35.32	198.7	284.2	13.72	-0.031	1.5	0	758