Temperatures were above normal and precipitation was below normal across much of western Colorado during the month of May. As a result, drought conditions in southwest Colorado either persisted or worsened.

Drought in PARADOX VALLEY / LOWER DOLORES RIVER BASIN, COLORADO
From 01-MAY-18 00:00:00 to 31-MAY-18 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Drought Monitor

Extreme (D3) drought conditions persisted across the northeastern half of the zone, while in the southwest portion of the zone conditions worsened to exceptional (D4) status in early May and remained through the end of the month.

Drought in CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN, COLORADO
From 01-MAY-18 00:00:00 to 31-MAY-18 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Drought Monitor

Extreme (D3) drought conditions persisted through the end of the month.

Drought in UPPER GUNNISON RIVER VALLEY, COLORADO
From 01-MAY-18 00:00:00 to 31-MAY-18 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Drought Monitor

Extreme (D3) drought conditions persisted across the far western portion of the zone through the end of the month.

Drought in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 01-MAY-18 00:00:00 to 31-MAY-18 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Drought Monitor

Extreme (D3) drought conditions persisted across the far southwestern and far northwestern portions of the zone through the end of the month.

Drought in ANIMAS RIVER BASIN, COLORADO
From 01-MAY-18 00:00:00 to 31-MAY-18 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Drought Monitor

Exceptional (D4) drought conditions persisted through the end of the month.

Drought in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 01-MAY-18 00:00:00 to 31-MAY-18 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Drought Monitor

Exceptional (D4) drought conditions expanded northward across the entire zone in early May and persisted through the end of the month.

Drought in SAN JUAN RIVER BASIN, COLORADO
From 01-MAY-18 00:00:00 to 31-MAY-18 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Drought Monitor

Extreme (D3) drought conditions persisted across the eastern portion of the zone through the end of the month while exceptional (D4) drought conditions remained over the far western portion of the zone.

Drought in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 01-MAY-18 00:00:00 to 31-MAY-18 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Drought Monitor

Extreme (D3) drought conditions remained across the southeastern portion of the zone throughout the month, while exceptional (D4) drought conditions expanded further north across the rest of the zone in early May and then persisted through the end of the month.

Drought in NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 01-MAY-18 00:00:00 to 31-MAY-18 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Drought Monitor

Extreme (D3) drought conditions persisted through the end of the month. However, conditions worsened to exceptional (D4) status in early May across the far western portion of the zone.

Drought in UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE, COLORADO
From 01-MAY-18 00:00:00 to 31-MAY-18 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Drought Monitor

Extreme (D3) drought conditions persisted across the southern half of the zone.  However, conditions worsened to exceptional (D4) status southwest of Columbine Pass in early May and remained through the end of the month.

Drought in GRAND AND BATTLEMENT MESAS, COLORADO
From 01-MAY-18 00:00:00 to 31-MAY-18 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Drought Monitor

Extreme (D3) drought conditions persisted across the Grand Mesa through the end of the month.