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)
2025-02-08	-3.497	-5.671	-0.846	58.67	11.58	1.922	243.5	127.3	166.2	235.5	-8.48	1.133	334.1	1	352
2025-02-09	-6.287	-14.5	-0.635	35.48	5.945	1.119	242.5	127.2	169.6	196.5	-14.19	1.128	336	0	352
2025-02-10	-4.783	-6.485	-2.872	44.92	8.97	1.971	246.9	52.89	66.17	238	-11.21	1.127	338.7	0	352
2025-02-11	-8.06	-14.8	-4.926	56.04	8.3	1.858	250.5	83.9	108.6	240	-11.84	1.219	354.6	7	359
2025-02-12	-17.39	-21.31	-14.67	85.2	7.399	1.467	237	117.1	140.4	186.8	-21.98	1.211	358.4	2	361
2025-02-13	-11.43	-20.41	-1.607	63.21	6.207	1.471	243.3	124.2	149.3	204.1	-18.22	1.29	366.1	7	368
2025-02-14	-7.525	-11.48	-5.519	94.7	7.317	1.043	231.5	61.26	60.49	280.4	-8.63	1.734	407.8	34	402
2025-02-15	-10.51	-16.3	-7.655	93.8	7.17	1.053	226	75.76	28.11	273.1	-13.53	1.911	423.6	17	419
2025-02-16	-8.7	-17.09	-2.183	95.5	6.615	0.933	242.3	134.3	65.11	274	-14.94	1.776	419.2	0	419
2025-02-17	-4.752	-8.82	-0.987	68.68	8.18	1.207	230.3	128.8	166.3	238.8	-10.06	1.716	420.1	2	421
2025-02-18	-10.12	-15.77	-7.009	91.2	7.007	0.977	167.5	125.2	63.33	278.9	-14.35	1.879	436.7	14	435
2025-02-19	-7.532	-14.98	-1.633	51.01	5.586	1.269	246.9	155.9	169.5	264.5	-15.77	1.787	436.2	0	435
2025-02-20	-7.571	-11.37	-2.859	78.44	5.472	0.944	239.8	85.6	101.7	243.8	-12.79	1.788	445.8	2	437
2025-02-21	-9.59	-15.09	-3.294	79.91	4.884	0.931	98.4	167.6	220.5	226.3	-14.65	1.71	453.3	0	437
2025-02-22	-8.45	-15.12	-0.282	51.88	4.72	0.97	159.5	168.9	228.6	162.8	-20.54	1.669	457.3	0	437
2025-02-23	-4.05	-12.62	3.22	47.89	5.766	0.98	69.79	167	216.7	198.1	-14.26	1.627	457.6	0	437
2025-02-24	-1.125	-6.007	3.714	58.43	6.533	1.046	322.7	159.5	212.9	217	-9.56	1.576	456.3	0	437
2025-02-25	-1.679	-7.065	3.533	48.49	7.53	1.167	238.4	153.5	204.6	211.5	-11.05	1.538	442.7	0	437
2025-02-26	-8.64	-13.47	-3.577	55.81	5.994	1.308	98.7	166.1	216.8	184.8	-15.63	1.516	421.6	0	437
2025-02-27	-7.362	-14.43	0.828	48.35	5.39	1.065	196.5	172.6	235.8	174.6	-17.79	1.501	415.9	0	437
2025-02-28	-3.786	-10.23	4.192	37.54	4.884	1.048	150.2	169.1	229	179.8	-15.72	1.493	421.2	0	437
2025-03-01	-1.813	-8.06	7.586	37.87	5.896	1.044	258.7	167.8	231.6	185.6	-13.46	1.479	430.3	0	437
2025-03-02	-1.427	-7.19	4.657	50.88	5.194	1.165	241.6	151.9	202.2	217.6	-9.6	1.456	434.3	0	437
2025-03-03	-8.11	-11.17	-2.576	70.14	6.354	1.258	240.9	95	100.4	256.4	-11.83	1.541	448.8	5	442
2025-03-04	-8.98	-12.7	-7.61	93.4	7.35	1.317	99.7	67.11	29.14	278.8	-10.42	1.769	484.9	19	461
2025-03-05	-6.27	-13.57	-1.577	94.2	5.913	1.173	246.4	185.5	82.3	279.2	-10.87	1.71	493.1	5	466
2025-03-06	-7.403	-13.1	-3.983	95.4	9.42	1.738	252	53.04	23.03	286.1	-8.55	2.007	529.2	28	494
2025-03-07	-11.41	-17.3	-6.541	94.1	6.223	0.927	250.2	153.7	169.5	266.5	-16.98	1.909	530.6	2	496
2025-03-08	-9.78	-13.78	-6.261	94.7	5.766	1.067	83.1	193.7	146.6	244.1	-12.37	1.807	531.5	0	496
2025-03-09	-5.734	-13.87	4.206	55.2	4.23	0.983	248.7	186.9	230.8	175.1	-16.16	1.756	536.5	0	496
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