Water Year as of March 31 2014 for Western Wyoming-Star Valley

Percent of Normal Precipitation Oct 2013-March 2014

Temperature Departure from Normal Oct 2013-March 2014

It has been a very moist period since actually last September across much of Wyoming.  For comparison purposes will compare Star Valley measurements since last October 1st when the current water year began.

Following are the totals from COCoRAHS observers  in Star Valley.

Star Valley Ranch had 19.65 inches which included 172.5 inches of snow.

1.5 miles southeast of Thayne  had 15.19  inches  which included approximately 155 inches of snow.

5 miles southeast of Smoot had 16.70 inches which included 185 inches of snow

Another location on Star Valley Ranch measured 17.12 inches but did not have a snow total.

For comparison purposes the Willow Creek SNOTEL as of March 31 had reported 40.2 inches of precipitation since October 1 2013 along with a snow depth of 107 inches.

Following is a detailed summary of the water year across much of western Wyoming.  

2013-2014 Water Year Precipitation and Percent of Normal for Selected Stations
Wyoming Temperature and Precipitation Maps & Rankings Previous Annual and Water Year Summaries (2011-2014) More Historical Climate Data from Utah State
Station Name: Airports								Drought Conditions					Oct 2013	Nov 2013	Dec 2013		Jan 2014	Feb 2014	Mar 2014	Apr 2014	May 2014	Jun 2014	Jul 2014	Aug 2014	Sep 2014		Total for Water Year
click on location											D0	D1
for graph								D2		D3		D4
Big Piney								None					0.39	0.29	0.19		0.02	0.02	0.12								1.03
1981-2010 Normals													0.53	0.21	0.30		0.31	0.35	0.44	0.53	0.84	0.79	0.71	0.69	0.78		2.14
Percent of Normal													74	138	63		6	6	27								48
Buffalo								None					2.25	0.12	0.24		0.21	0.15	0.61								3.58
1981-2010 Normals													0.93	0.54	0.40		0.42	0.35	0.92	1.30	2.53	2.28	1.66	0.81	1.31		3.56
Percent of Normal													242	22	60		50	43	66								101
Casper								None					3.03	0.24	1.20		0.74	0.74	1.64								7.59
1981-2010 Normals													1.11	0.76	0.49		0.51	0.57	0.82	1.29	2.02	1.61	1.41	0.85	1.08		4.26
Percent of Normal													273	32	245		145	130	200								178
Snowfall													16.4	3.6	15.7		14.2	11.5	18.7								80.1
1981-2010 Normals													7.4	10.3	11.0		9.1	9.8	10.9	11.6	2.9	0.1	0.0	0.0	1.8		58.5
Percent of Normal													222	35	143		156	117	172								137
Evanston								None					0.96	0.18	0.06		0.03	T	0.08								1.31
1981-2010 Normals													1.17	1.04	0.58		0.54	0.61	0.86	1.15	1.77	1.24	0.61	0.96	1.31		4.80
Percent of Normal													82	17	10		6	0	9								27
Greybull								None					1.12	T	0.03		0.04	0.22	0.18								1.59
1981-2010 Normals													0.60	0.30	0.28		0.23	0.18	0.40	0.71	1.65	1.20	0.66	0.42	0.88		1.99
Percent of Normal													187	0	11		17	122	45								80
Station Name: Airports								Drought Conditions					Oct 2013	Nov 2013	Dec 2013		Jan 2014	Feb 2014	Mar 2014	Apr 2014	May 2014	Jun 2014	Jul 2014	Aug 2014	Sep 2014		Total for Water Year
Lander								None					3.08	0.13	0.69		0.61	0.19	1.18								5.88
1981-2010 Normals													1.29	0.86	0.58		0.41	0.58	1.16	1.87	2.20	1.27	0.78	0.61	1.05		4.88
Percent of Normal													239	15	119		149	33	102								120
Snowfall													21.9	3.5	13.1		8.9	3.8	13.9								65.1
1981-2010 Normals													9.8	13.1	10.1		7.6	10.3	16.1	16.8	4.8	0.1	0.0	0.0	2.7		67.0
Percent of Normal													223	27	130		117	37	86								97
Riverton								None					1.94	0.03	0.28		0.68	0.22	0.50								3.65
1981-2010 Normals													0.89	0.50	0.32		0.24	0.27	0.55	1.30	1.72	1.28	0.89	0.57	0.90		2.77
Percent of Normal													218	6	88		283	81	91								132
Snowfall													17.5	1.5	6.8		11.1	5.0	3.4								45.3
Rock Springs								D0					0.86	0.03	0.18		0.07	0.08	0.43								1.65
1981-2010 Normals													0.87	0.49	0.50		0.45	0.48	0.68	0.91	1.21	0.79	0.64	0.62	0.92		3.47
Percent of Normal													99	6	36		16	17	63								48
Sheridan								None					2.47	0.17	1.12		0.64	1.21	1.69								7.30
1981-2010 Normals													1.41	0.71	0.56		0.56	0.54	0.98	1.60	2.35	2.12	1.18	0.72	1.43		4.76
Percent of Normal													175	24	200		114	224	172								153
Worland								None					1.78	0.12	0.12		0.25	0.13	0.40								2.80
1981-2010 Normals													0.69	0.35	0.23		0.23	0.19	0.46	0.86	1.42	1.15	0.71	0.43	0.85		2.15
Percent of Normal													258	34	52		109	68	87								130
Station Name: COOPS								Drought Conditions					Oct 2013	Nov 2013	Dec 2013		Jan 2014	Feb 2014	Mar 2014	Apr 2014	May 2014	Jun 2014	Jul 2014	Aug 2014	Sep 2014		Total for Water Year
Afton								None					2.98	0.71	0.93		1.16	2.40	1.53								9.71
1981-2010 Normals													1.63	2.04	1.25		1.40	1.09	1.40	1.54	2.26	1.97	1.43	1.25	1.46		8.25
Percent of Normal													183	48	74		83	220	109								118
Snowfall													6.5	8.5	12.3		17.3	29.0	11.3								84.9
Bitter Creek 4NE								None					0.97	0.05	0.39		0.27	0.35	0.68								2.71
1981-2010 Normals													0.66	0.31	0.51		0.28	0.36	0.30	0.65	1.09	0.70	0.60	0.75	0.73		2.42
Percent of Normal													147	16	76		96	97	227								112
Cody								None					1.41	0.30	0.42		0.93	1.78	0.55								5.39
1981-2010 Normals													0.89	0.48	0.33		0.33	0.33	0.56	1.06	1.82	1.68	1.11	0.91	1.06		2.92
Percent of Normal													158	63	127		282	539	98								185
Snowfall													7.0	4.0	6.5		20.0	29.0	3.3								69.8
1981-2010 Normals													4.3	6.3	8.0		7.8	6.7	6.9	6.3	0.8	0.0	0.0	0.0	0.2		40.0
Percent of Normal													163	63	81		256	433	48								175
Dubois								None					3.23	0.37	0.35		0.35	1.12	0.64								6.06
1981-2010 Normals													0.81	0.57	0.28		0.24	0.38	0.40	1.10	1.64	1.28	1.11	0.86	1.24		2.68
Percent of Normal													399	65	125		146	295	160								226
Snowfall													19.5	5.0	8.0		7.2	25.6	13.6								78.9
1981-2010 Normals													3.0	5.8	5.1		3.9	5.7	6.0	8.5	3.9	0.6	0.0	0.0	2.6		29.5
Percent of Normal													650	86	157		185	449	227								267
Fossil Butte National Monument								None					2.14	0.43	1.08		0.39	1.35	0.71								6.10
1981-2010 Normals													1.11	0.86	0.74		0.49	0.68	0.82	0.98	1.41	1.03	0.85	0.93	1.10		4.70
Percent of Normal													193	50	146		80	199	87								130
Snowfall													6.5	6.8	14.8		8.4	20.5	8.7								65.7
Green River								D0					3.10	0.15	1.10		0.05	0.35	1.05								5.80
1981-2010 Normals													0.81	0.41	0.44		0.34	0.43	0.71	0.85	1.23	0.98	0.55	0.68	0.90		3.14
Percent of Normal													383	37	250		15	81	148								185
Snowfall													10.5	1.8	10.5		1.6	3.5	2.5								30.4
1981-2010 Normals													0.5	3.8	6.5		4.6	7.3	5.0	3.9	0.6	0.0	0.0	0.0	0.0		27.7
Percent of Normal													2100	47	162		35	48	50								110
Station Name: COOPS								Drought Conditions					Oct 2013	Nov 2013	Dec 2013		Jan 2014	Feb 2014	Mar 2014	Apr 2014	May 2014	Jun 2014	Jul 2014	Aug 2014	Sep 2014		Total for Water Year
Jeffrey City								None					2.08	0.17	0.72		0.39	0.13	1.13								4.62
1981-2010 Normals													0.91	0.59	0.42		0.31	0.41	0.86	1.27	1.85	1.15	0.89	0.60	0.80		3.50
Percent of Normal													229	29	171		126	32	131								132
Snowfall													14.0	2.0	9.0		5.0	2.0	14.0								46.0
1981-2010 Normals													7.3	6.6	5.5		4.6	6.7	9.4	10.2	4.9	0.4	0.0	0.0	1.4		40.1
Percent of Normal													192	30	164		109	30	149								115
Kaycee								None					3.01	0.30	0.48		0.16	0.38	0.71								5.04
1981-2010 Normals													1.04	0.57	0.31		0.30	0.34	0.74	1.46	2.37	1.84	1.42	0.80	1.18		3.30
Percent of Normal													289	53	155		53	112	96								153
Snowfall													11.5	5.0	9.5		3.2	7.1	2.0								38.3
1981-2010 Normals													1.5	4.2	6.0		5.9	6.3	8.0	4.7	0.6	0.1	0.0	0.0	0.2		31.9
Percent of Normal													767	119	158		54	113	25								120
Moose								None					1.51	1.54	2.40		1.78	4.48	4.77								16.48
1981-2010 Normals													1.47	2.64	2.67		2.58	1.82	1.62	1.49	1.88	1.61	1.29	1.29	1.44		12.80
Percent of Normal													103	58	90		69	246	294								129
Snowfall													6.0	12.4	26.5		29.8	48.3	49.5								172.5
1981-2010 Normals													4.8	24.1	44.7		36.9	26.6	15.9	7.4	2.2	0.0	0.0	0.0	0.2		153.0
Percent of Normal													125	51	59		81	182	311								113
Old Faithful								None					1.23	2.47	2.05		1.89	2.90	6.43								16.97
1981-2010 Normals													1.66	2.29	3.16		2.11	1.99	2.21	2.21	2.80	2.47	1.55	1.46	1.46		13.42
Percent of Normal													74	108	65		90	146	291								126
Snowfall													9.0	13.5	23.5		21.0	46.0	76.5								189.5
1981-2010 Normals													7.7	31.7	43.8		37.5	31.1	26.8	19.3	7.3	1.2	0.0	0.0	1.4		178.6
Percent of Normal													117	43	54		56	148	285								106
Powell Field Station								None					0.66	0.07	0.08		0.18	0.65	0.15								1.79
1981-2010 Normals													0.56	0.18	0.13		0.21	0.13	0.29	0.51	1.40	1.35	0.87	0.52	0.65		1.50
Percent of Normal													118	39	62		86	500	52								119
Snowfall													0.5	2.0	3.0		3.0	10.7	1.0								20.2
1981-2010 Normals													1.2	1.3	1.2		2.3	0.5	2.5	0.5	0.5	0.0	0.0	0.0	0.1		9.0
Percent of Normal													42	154	250		130	2140	40								224
Riverton (downtown)								None					1.72	0.04	0.31		0.63	0.14	0.49								3.33
1981-2010 Normals													0.85	0.41	0.24		0.28	0.33	0.56	0.98	1.45	1.21	0.78	0.50	0.83		2.67
Percent of Normal													202	10	129		225	42	88								125
Snowfall													9.5	1.1	5.9		10.1	4.9	5.5								37.0
1981-2010 Normals													3.7	4.3	4.8		4.8	6.0	5.9	6.1	1.2	0.0	0.0	0.0	0.3		29.5
Percent of Normal													257	26	123		210	82	93								125
Thermopolis								None					2.82	0.22	0.46		0.46	0.20	0.54								4.70
1981-2010 Normals													1.26	0.80	0.46		0.35	0.45	0.87	1.46	1.86	1.51	0.88	0.58	1.23		4.19
Percent of Normal													224	28	100		131	44	62								112
Snowfall													9.0	4.0	10.0		6.5	4.5	1.0								35.0
1981-2010 Normals													2.4	3.7	4.5		5.6	4.6	2.5	2.8	0.4	0.0	0.0	0.0	0.2		23.3
Percent of Normal													375	108	222		116	98	40								150
Drought Classifications on April 15, 2014     |      XX.X / M - Data partially or completely missing

Even with a relatively dry summer the 12 month precipitation totals ending on April 20 2014 are impressive.

Star Valley Ranch  30.92 inches
Star Valley Ranch west side 26.80 inches
5 SSE Smoot  25.99  inches
1.5 SE Thayne 24.08 inches