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)
2025-03-10	-3.468	-9.98	5.052	36.28	4.198	1.25	248.1	184.3	255.5	166.9	-15.25	1.709	532.7	0	496
2025-03-11	-3.783	-8.62	2.096	37.15	5.635	1.31	240.6	167.6	231.4	187.5	-13.81	1.668	534	0	496
2025-03-12	-4.258	-10.07	1.629	59.72	5.292	1.179	238.7	173.9	244.4	202.6	-11.21	1.629	535.7	0	496
2025-03-13	-4.728	-7.684	-1.382	78.12	7.089	1.487	236.6	132.6	170	249.7	-7.954	1.743	552.4	11	507
2025-03-14	-10.99	-14.58	-7.668	92.6	9.51	1.582	229	141.9	169.7	250.1	-12.33	1.852	570.2	15	522
2025-03-15	-11.87	-14.84	-8.2	92.6	9.36	1.011	183.4	135.7	63.81	269.5	-13.28	1.937	583.6	9	531
2025-03-16	-8.26	-14.26	-2.141	94.8	5.178	1.054	237.6	221.2	95.9	284	-13.31	1.829	583.4	0	531
2025-03-17	-1.437	-8.2	2.996	47.63	7.579	1.332	239.9	99.3	118.8	259.7	-8.95	1.797	580.8	1	532
2025-03-18	-8.64	-14.38	-1.705	72.78	10.86	2.198	244.9	71.09	83.1	243.9	-12.12	2.044	605.5	18	550
2025-03-19	-14.92	-19.05	-11.58	90.1	5.913	1.314	98.9	154.6	48.53	257.8	-19.9	2.03	614.8	10	560
2025-03-20	-10.55	-18.52	-3.236	93.1	6.533	1.39	239.4	177.3	95.7	247.6	-16.5	1.961	610	1	561
2025-03-21	-7.516	-14.78	-1.425	64.01	7.807	1.236	245.4	208	278.7	191.8	-15.25	1.92	606.1	0	561
2025-03-22	-3.71	-6.387	-0.255	73.92	6.239	0.987	232.4	119.6	131	300.9	-7.498	2.02	614.9	9	570
2025-03-23	-3.649	-10.33	2.601	57.9	5.243	0.952	244.7	219.6	291.5	244.9	-12.13	1.901	612.9	0	570
2025-03-24	-1.088	-8.46	5.968	60.56	4.524	0.946	267.5	204.4	281.3	206.3	-10.39	1.832	608.3	0	570
2025-03-25	0.703	-5.671	9.11	49.59	6.501	0.967	251.6	207.5	293.3	209.1	-9.02	1.745	604.6	0	570
2025-03-26	1.861	-3.324	9.14	49.18	4.41	1.05	248.2	158.6	213.8	229.6	-6.981	1.699	605	0	570
2025-03-27	1.553	-3.802	6.756	52.74	6.533	1.211	243.1	150.4	216.6	235.1	-6.47	1.666	605.7	0	570
2025-03-28	1.015	-3.337	6.953	55.1	6.321	1.27	237.4	136.8	190.8	267.1	-4.378	1.667	607.2	2	572
2025-03-29	-2.735	-7.457	1.517	64.93	6.909	1.142	229.4	200.3	248.9	258.5	-6.529	1.63	615.1	0	572
2025-03-30	-5.58	-10.17	-1	60.98	6.452	1.286	236.9	126.4	157.7	264.4	-10.62	1.645	623.1	2	574
2025-03-31	-2.005	-8.89	2.32	50.78	8.3	1.767	249.1	170.3	212.5	265.1	-6.937	1.608	620.7	0	574
2025-04-01	-8.53	-13.28	-2.24	86.9	8.64	1.761	248.6	78.85	90.5	270.4	-9.92	1.913	650.3	25	599
2025-04-02	-11.96	-18.7	-8.03	92.3	4.1	0.882	242.1	188	136.9	272.4	-16.35	1.852	655.8	4	603
2025-04-03	-10.76	-15.65	-7.527	93.3	5.913	1.047	237.8	198.3	55.45	278.4	-13.06	1.879	665.5	9	612
2025-04-04	-10.08	-16.44	-4.616	92	4.606	0.979	108.5	194	69.3	281.3	-13.91	1.851	667.9	2	614
2025-04-05	-8.13	-13.56	-4.744	91.6	5.913	1.043	81.5	199.4	91	285.2	-9.42	1.8	669.7	2	616
2025-04-06	-8.04	-15.13	-0.832	56.26	5.962	1.007	74.96	251.5	126.7	276.2	-14.91	1.756	669	0	616
2025-04-07	-3.596	-11.34	4.518	48.16	4.9	0.913	247.4	240	288.5	230.9	-11.86	1.721	665.3	0	616
2025-04-08	0.585	-6.33	6.374	39.5	5.586	1.155	254.2	202.8	272.9	215.4	-8.46	1.681	659.3	0	616
2025-04-09	2.823	-3.097	7.669	35.74	8.1	1.238	245.7	222.6	322.2	206.8	-7.18	1.637	653.2	0	616
2025-04-10	2.385	-3.519	9.67	38.34	8.05	0.995	263.1	215.9	324	210.2	-6.717	1.597	652.8	0	616
2025-04-11	4.331	-3.222	11.91	34.37	4.116	1.088	241.3	206.3	325.2	212.9	-6.57	1.541	652.8	0	616
2025-04-12	5.535	-0.664	10.8	26.14	6.011	1.632	250.3	155	239	236.3	-5.595	1.517	648.9	0	616
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