124
FGUS65 KSTR 041921
ESPCO
NATIONAL WEATHER SERVICE
COLORADO BASIN RIVER FORECAST CENTER
SALT LAKE CITY, UT
WATER SUPPLY INFORMATION FOR
THE COLORADO RIVER BASIN WITHIN COLORADO
JUNE 4, 2020
BASIN CONDITIONS (% OF AVERAGE) AS OF JUNE 1:
*NOTE: SNOW NOT REPORTED IN JUNE
SUBBASIN MAY OCT-MAY JUN1 MAY
PRECIP PRECIP SNOW* STRMFLW
---------------------- ------ ------- ----- --------
UPPER COLORADO 50 85 90
GUNNISON 40 75 60
DOLORES/SAN MIGUEL 20 70 40
SAN JUAN 20 65 85
YAMPA/WHITE 60 95 100
RESERVOIR STORAGE (KAF) AS OF MAY 31:
C U R R E N T Y R 1981-2010
EOM % OF % OF MAY 31 USABLE
STORAGE AVERAGE CAPACITYAVG STORAGE CAPACITY
---------------------------------------------------------------------------
COLORADO - LAKE GRANB| 483.3| 133| 99|| 363.6| 490.3|
WILLOW CK - WILLOW CK| 8.9| 100| 98|| 8.9| 9.1|
WILLIAMS FORK - WILLI| 88.3| 121| 91|| 73.0| 96.9|
MUDDY CK - WOLFORD MO| 66.0| 110| 100|| 59.9| 66.0|
BLUE - DILLON RESERVO| 245.6| 106| 97|| 232.7| 254.0|
BLUE - GREEN MTN RESE| 108.5| 121| 74|| 89.8| 146.9|
HOMESTAKE CK - HOMEST| 29.2| 118| 68|| 24.8| 43.0|
FRYING PAN - RUEDI RE| 79.4| 102| 78|| 78.0| 102.0|
PLATEAU CK - VEGA RES| 25.9| 84| 79|| 30.8| 32.9|
TAYLOR - TAYLOR PARK | 86.0| 115| 81|| 74.7| 106.2|
GUNNISON - BLUE MESA | 549.7| 96| 66|| 575.3| 829.5|
GUNNISON - MORROW POI| 106.5| 94| 91|| 113.2| 117.0|
GUNNISON - CRYSTAL RE| 17.4| 104| 99|| 16.7| 17.5|
MUDDY CK - PAONIA RES| 15.7| 100| 94|| 15.7| 16.7|
UNCOMPAHGRE - RIDGWAY| 67.9| 96| 82|| 70.7| 83.0|
DOLORES - MCPHEE RESE| 283.4| 81| 74|| 347.8| 381.1|
LOS PINOS - VALLECITO| 123.7| 123| 99|| 100.5| 125.4|
SAN JUAN - NAVAJO RES| 1366.7| 96| 81|| 1429.7| 1696.0|
FLORIDA - LEMON RESER| 28.9| 90| 73|| 32.1| 39.8|
COLORADO - LAKE POWEL| 12238.5| 67| 50||18186.3| 24322.0|
STREAMFLOW FORECASTS:
DEVELOPED: JUN 1 2020
YAMPA/WHITE BASINS
PERIOD 50% %AVG 10% 30% 70% 90% AVG
------ ---- ---- ---- ---- ---- ---- ---
YAMPA RIVER
STAGECOACH RSVR, ABV APR-JUL 23 100 27 25 21.0 19.8 23
STAGECOACH RSVR, ABV JUN-JUL 6.2 72 10.0 8.0 4.5 3.0 8.6
STEAMBOAT SPRINGS APR-JUL 260 100 300 280 250 240 260
STEAMBOAT SPRINGS JUN-JUL 90 76 130 110 80 70 119
ELK RIVER
MILNER, NR APR-JUL 300 94 355 320 285 270 320
MILNER, NR JUN-JUL 129 81 185 150 114 100 159
ELKHEAD CK
LONG GULCH, ABV, HAYDEN APR-JUL 70 96 78 73 69 67 73
LONG GULCH, ABV, HAYDEN JUN-JUL 4.8 46 13.0 7.5 3.4 2.0 10.4
YAMPA RIVER
MAYBELL, NR APR-JUL 860 92 980 935 815 780 935
MAYBELL, NR JUN-JUL 300 77 420 375 255 220 390
LITTLE SNAKE RIVER
SLATER, NR APR-JUL 147 94 168 158 138 128 156
SLATER, NR JUN-JUL 44 67 65 55 35 25 66
DIXON, NR APR-JUL 275 80 325 300 260 245 345
DIXON, NR JUN-JUL 76 56 125 99 60 45 135
LILY, NR APR-JUL 270 78 320 290 255 235 345
LILY, NR JUN-JUL 75 56 125 97 60 40 134
YAMPA RIVER
DEERLODGE PARK APR-JUL 1130 91 1310 1210 1040 980 1240
DEERLODGE PARK JUN-JUL 370 74 550 450 280 220 500
WHITE RIVER
MEEKER, NR APR-JUL 185 66 220 200 173 162 280
MEEKER, NR JUN-JUL 83 58 120 100 71 60 144
WATSON, NR APR-JUL 175 62 210 190 158 145 280
WATSON, NR JUN-JUL 90 65 125 105 73 60 139
UPPER COLORADO, ABOVE GUNNISON BASIN
PERIOD 50% %AVG 10% 30% 70% 90% AVG
------ ---- ---- ---- ---- ---- ---- ---
COLORADO RIVER
LAKE GRANBY, GRANBY, NR APR-JUL 220 100 250 235 205 190 220
LAKE GRANBY, GRANBY, NR JUN-JUL 127 88 157 142 112 97 145
WILLOW CK
WILLOW CK RESERVOIR, GR APR-JUL 40 85 48 44 37 34 47
WILLOW CK RESERVOIR, GR JUN-JUL 13.0 62 21 17 10.0 7.0 21
FRASER RIVER
WINTER PARK APR-JUL 18.4 95 22 20 17.2 16.0 19.4
WINTER PARK JUN-JUL 12.4 87 16.0 14.0 11.2 10.0 14.2
WILLIAMS FORK RIVER
WILLIAMS FORK RESERVOIR APR-JUL 86 90 100 93 80 75 96
WILLIAMS FORK RESERVOIR JUN-JUL 51 78 65 58 45 40 65
BLUE RIVER
DILLON RESERVOIR APR-JUL 155 95 175 165 145 135 163
DILLON RESERVOIR JUN-JUL 98 89 118 108 88 78 110
GREEN MTN RESERVOIR APR-JUL 255 93 290 275 240 225 275
GREEN MTN RESERVOIR JUN-JUL 155 84 190 175 140 125 184
MUDDY CK
WOLFORD MOUNTAIN RESERV APR-JUL 66 122 75 71 62 58 54
WOLFORD MOUNTAIN RESERV JUN-JUL 16.1 83 25 21 12.1 8.1 19.3
COLORADO RIVER
KREMMLING, NR APR-JUL 825 96 930 880 770 720 860
KREMMLING, NR JUN-JUL 440 84 545 495 385 335 525
EAGLE RIVER
GYPSUM, BLO APR-JUL 275 82 315 295 255 235 335
GYPSUM, BLO JUN-JUL 157 73 197 177 137 117 215
COLORADO RIVER
DOTSERO, NR APR-JUL 1220 87 1380 1300 1150 1080 1400
DOTSERO, NR JUN-JUL 650 77 810 730 580 510 840
FRYING PAN RIVER
RUEDI RESERVOIR, BASALT APR-JUL 120 86 140 130 110 100 139
RUEDI RESERVOIR, BASALT JUN-JUL 73 82 93 83 63 53 89
ROARING FORK RIVER
GLENWOOD SPRINGS APR-JUL 510 74 590 550 475 440 690
GLENWOOD SPRINGS JUN-JUL 325 71 405 365 290 255 455
COLORADO RIVER
GLENWOOD SPRINGS, BLO APR-JUL 1780 84 2100 1940 1640 1500 2110
GLENWOOD SPRINGS, BLO JUN-JUL 995 77 1320 1160 855 715 1300
CAMEO, NR APR-JUL 1850 78 2150 2000 1720 1600 2360
CAMEO, NR JUN-JUL 1040 73 1340 1190 910 790 1420
PLATEAU CK
CAMEO, NR APR-JUL 40 32 60 50 36 32 124
CAMEO, NR JUN-JUL 10.1 21 30 20 6.1 2.1 49
GUNNISON BASIN
PERIOD 50% %AVG 10% 30% 70% 90% AVG
------ ---- ---- ---- ---- ---- ---- ---
TAYLOR RIVER
TAYLOR PARK RESERVOIR APR-JUL 69 70 79 73 65 61 99
TAYLOR PARK RESERVOIR JUN-JUL 38 61 48 42 34 30 62
ALMONT APR-JUL 103 66 118 109 96 88 155
ALMONT JUN-JUL 58 62 73 64 51 43 94
EAST RIVER
ALMONT APR-JUL 116 64 137 125 110 103 182
ALMONT JUN-JUL 58 55 79 67 52 45 106
GUNNISON RIVER
GUNNISON, NR APR-JUL 235 64 275 250 215 200 370
GUNNISON, NR JUN-JUL 122 57 165 140 106 90 215
TOMICHI CK
GUNNISON APR-JUL 44 59 52 48 41 36 74
GUNNISON JUN-JUL 20 54 28 24 16.9 12.0 37
LAKE FORK RIVER
GATEVIEW APR-JUL 79 64 95 86 74 67 123
GATEVIEW JUN-JUL 43 53 59 50 38 31 81
GUNNISON RIVER
BLUE MESA RESERVOIR APR-JUL 395 59 470 425 375 350 675
BLUE MESA RESERVOIR JUN-JUL 193 51 265 220 174 145 380
MORROW POINT RESERVOIR APR-JUL 425 57 495 450 405 370 740
MORROW POINT RESERVOIR JUN-JUL 210 52 280 235 189 155 405
CRYSTAL RESERVOIR APR-JUL 465 56 540 500 440 405 835
CRYSTAL RESERVOIR JUN-JUL 230 51 305 265 205 170 450
MUDDY CK
PAONIA RESERVOIR, BARDI MAR-JUN 31 32 35 32 30 29 96
PAONIA RESERVOIR, BARDI APR-JUL 30 31 35 32 29 28 97
PAONIA RESERVOIR, BARDI JUN-JUL 6.9 24 11.9 8.9 5.9 4.9 29
NF GUNNISON RIVER
SOMERSET, NR APR-JUL 148 50 177 159 139 134 295
SOMERSET, NR JUN-JUL 46 40 75 57 37 32 114
SURFACE CK
CEDAREDGE APR-JUL 6.4 38 7.5 6.6 6.0 5.4 16.8
CEDAREDGE JUN-JUL 2.0 26 3.1 2.2 1.55 1.00 7.6
UNCOMPAHGRE RIVER
RIDGWAY RESERVOIR APR-JUL 55 54 64 59 52 48 101
RIDGWAY RESERVOIR JUN-JUL 34 52 43 38 31 27 65
COLONA APR-JUL 54 39 69 61 50 47 137
COLONA JUN-JUL 31 38 46 38 27 24 81
DELTA APR-JUL 33 29 42 37 30 25 113
DELTA JUN-JUL 15.5 27 24 19 12.7 7.0 57
GUNNISON RIVER
GRAND JUNCTION, NR APR-JUL 685 46 850 750 640 600 1480
GRAND JUNCTION, NR JUN-JUL 295 42 460 360 250 210 695
DOLORES BASIN
PERIOD 50% %AVG 10% 30% 70% 90% AVG
------ ---- ---- ---- ---- ---- ---- ---
DOLORES RIVER
DOLORES APR-JUL 96 39 114 102 92 87 245
DOLORES JUN-JUL 28 30 46 34 24.0 19.0 92
MCPHEE RESERVOIR APR-JUL 95 32 115 102 91 86 295
MCPHEE RESERVOIR JUN-JUL 28 29 48 35 24.0 19.0 97
SAN MIGUEL RIVER
PLACERVILLE, NR APR-JUL 64 50 76 70 58 53 128
PLACERVILLE, NR JUN-JUL 35 47 47 41 29 24 75
DOLORES RIVER
CISCO, NR APR-JUL 155 27 205 171 148 142 565
CISCO, NR JUN-JUL 52 28 100 68 45 39 184
UPPER COLORADO, CONFLUENCE
PERIOD 50% %AVG 10% 30% 70% 90% AVG
------ ---- ---- ---- ---- ---- ---- ---
COLORADO RIVER
CISCO, NR APR-JUL 2700 61 3150 2900 2500 2250 4440
CISCO, NR JUN-JUL 1410 60 1860 1610 1210 960 2340
SAN JUAN BASIN
PERIOD 50% %AVG 10% 30% 70% 90% AVG
------ ---- ---- ---- ---- ---- ---- ---
SAN JUAN RIVER
PAGOSA SPRINGS APR-JUL 127 59 145 132 120 117 215
PAGOSA SPRINGS JUN-JUL 29 30 47 34 22.0 19.0 96
CARRACAS, NR APR-JUL 200 53 225 210 187 182 380
CARRACAS, NR JUN-JUL 57 36 82 65 44 39 158
RIO BLANCO RIVER
PAGOSA SPRINGS, NR, BLA APR-JUL 31 57 35 33 29 28 54
PAGOSA SPRINGS, NR, BLA JUN-JUL 9.0 39 13.0 10.5 7.2 6.0 23
NAVAJO RIVER
CHROMO, NR, OSO DIV DAM APR-JUL 33 51 39 35 31 30 65
CHROMO, NR, OSO DIV DAM JUN-JUL 10.0 33 16.0 12.4 8.1 7.0 30
PIEDRA RIVER
ARBOLES, NR APR-JUL 112 53 125 116 104 101 210
ARBOLES, NR JUN-JUL 29 39 42 33 21.0 18.0 74
LOS PINOS RIVER
VALLECITO RESERVOIR, BA APR-JUL 130 67 150 138 121 114 194
VALLECITO RESERVOIR, BA JUN-JUL 48 48 68 56 39 32 99
SAN JUAN RIVER
NAVAJO RESERVOIR, ARCHU APR-JUL 365 50 410 385 335 320 735
NAVAJO RESERVOIR, ARCHU JUN-JUL 86 30 130 108 55 41 290
FLORIDA RIVER
LEMON RESERVOIR, DURANG APR-JUL 34 62 39 36 32 29 55
LEMON RESERVOIR, DURANG JUN-JUL 13.0 48 18.0 15.0 11.0 7.5 27
ANIMAS RIVER
DURANGO APR-JUL 260 63 305 275 245 230 415
DURANGO JUN-JUL 113 51 160 130 96 82 220
SAN JUAN RIVER
FARMINGTON APR-JUL 570 52 680 620 540 510 1100
FARMINGTON JUN-JUL 186 40 295 235 155 127 470
LA PLATA RIVER
HESPERUS APR-JUL 11.9 52 14.1 12.8 11.1 10.1 23
HESPERUS JUN-JUL 3.8 45 6.0 4.7 3.0 2.0 8.5
SAN JUAN RIVER
BLUFF, NR APR-JUL 545 50 655 595 510 475 1100
BLUFF, NR JUN-JUL 168 37 280 220 134 100 450
MANCOS RIVER
MANCOS, NR APR-JUL 10.7 35 12.7 11.0 10.2 10.1 31
MANCOS, NR JUN-JUL 2.3 22 4.3 2.6 1.82 1.70 10.4
LAKE POWELL
PERIOD 50% %AVG 10% 30% 70% 90% AVG
------ ---- ---- ---- ---- ---- ---- ---
COLORADO RIVER
LAKE POWELL, GLEN CYN D APR-JUL 4100 57 4720 4430 3760 3520 7160
LAKE POWELL, GLEN CYN D JUN-JUL 2080 55 2700 2410 1740 1500 3760
50% MOST PROBABLE VOLUME IN 1000 ACRE-FEET.
%AVG MOST PROBABLE VOLUME IN PERCENT OF THE 1981-2010 AVERAGE.
10% VOLUME THAT HAS A 10 PERCENT CHANCE OF BEING EXCEEDED.
30% VOLUME THAT HAS A 30 PERCENT CHANCE OF BEING EXCEEDED.
90% VOLUME THAT HAS A 90 PERCENT CHANCE OF BEING EXCEEDED.
70% VOLUME THAT HAS A 70 PERCENT CHANCE OF BEING EXCEEDED.
AVG AVERAGE VOLUME FOR THE 1981-2010 PERIOD.
ALL FORECAST VOLUMES REFLECT NATURAL FLOW. ACTUAL OBSERVED FLOW MAY
BE AFFECTED BY UPSTREAM WATER MANAGEMENT.
CBRFC/MOSER
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page