Dry conditions returned to Deep South Texas and the Rio Grande Valley during the latter half of January as the pattern shifted from subtropical and tropical moisture overriding cooler surface air to a west-to-east pattern of drier air, and warmer temperatures, from the southern Rockies and Mexican mountain ranges. Along with dry conditions above normal temperatures prevailed across the region.
By month's end, rainfall was more than an inch above average across the Lower Valley, a trifle below average in the mid Valley, and a trifle above average in the upper Valley and ranchlands. A stripe of much below average fell across the Rio Grande Plains in western Zapata County, which missed nearly all of the action.  Nearly all of the rain fell by January 14th.

Drought in ZAPATA, TEXAS
From 15-JAN-13 00:00:00 to 31-JAN-13 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Drought Monitor

No change was noted in drought conditions across Zapata County during the second half of January; dry conditions prevailed.  Widespread Severe (D2) drought conditions continued across much of the county, with the NW corner of the county remaining in Moderate(D1) drought conditions.

Drought in JIM HOGG, TEXAS
From 15-JAN-13 00:00:00 to 31-JAN-13 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Drought Monitor

Despite receiving significant rainfall during the first half of the month, little to no rain fell during the latter half of the month across Jim Hogg County.  During the final two weeks of the month, drought conditions held at Severe (D2) for all but the southwest corner, which remained at Moderate (D1) levels.

Drought in BROOKS, TEXAS
From 15-JAN-13 00:00:00 to 31-JAN-13 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Drought Monitor

Despite receiving significant rainfall during the first half of the month, little to no rain fell during the latter half of the month across Brooks County.  Extreme (D3) Drought would continue across all but a sliver of the western sections, which remained at Severe (D2) levels.

Drought in WILLACY, TEXAS
From 15-JAN-13 00:00:00 to 31-JAN-13 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Drought Monitor

Despite receiving significant rainfall during the first half of January, little to no rain fell during the latter half of the month across Willacy County.  During the final two weeks of the month, neither improvement nor deterioration of drought conditions was noted.  The southeast corner of the county remained in Severe (D2) drought conditions, while the rest of the county remained in Extreme (D3) drought conditions, except for a sliver on the far western side of the county that remained in Exceptional (D4) drought conditions.

Drought in KENEDY, TEXAS
From 15-JAN-13 00:00:00 to 31-JAN-13 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Drought Monitor

Despite receiving significant rainfall during the first half of January, little to no rain fell during the latter half of the month across Kenedy County.  During the final two weeks of the month, no improvement in drought conditions was noted. Drought conditions remained entrenched in Exceptional (D4) drought conditions, except for the SE corner of the county, which remained in Extreme (D3) drought conditions.

Drought in CAMERON, TEXAS
From 15-JAN-13 00:00:00 to 31-JAN-13 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Drought Monitor

Despite receiving significant rainfall during the first half of January, little to no rain fell during the latter half of the month.  During the final two weeks of the month, no improvement nor deterioration of drought conditions was noted.  The eastern half of Cameron County remained in Severe (D2) drought conditions, while the western half remained in Extreme (D3) drought conditions.

Drought in STARR, TEXAS
From 15-JAN-13 00:00:00 to 31-JAN-13 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Drought Monitor

Despite receiving significant rainfall during the first half of the month, little to no rain fell during the latter half of the month across Starr County and drought conditions remained stable to close the month. Exceptional (D4) Drought continued near the Hidalgo line by Sullivan City; Extreme (D3) continued mainly along and east of La Grulla; Severe (D2) conditions prevailed from east of Rio Grande City to La Grulla, and Moderate (D1) drought conditions remained west of Rio Grande City to Roma, Falcon Dam, and El Sauz.

Drought in COASTAL CAMERON, TEXAS
From 15-JAN-13 00:00:00 to 31-JAN-13 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Drought Monitor

Despite receiving significant rainfall during the first half of January, little to no significant rain fell during the latter half of the month.  During the final two weeks of the month, no improvement nor deterioration of drought conditions was noted.  All of coastal Cameron County remained in Severe (D2) drought conditions.

Drought in COASTAL WILLACY, TEXAS
From 15-JAN-13 00:00:00 to 31-JAN-13 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Drought Monitor

Despite receiving significant rainfall during the first half of January, little to no rain fell during the latter half of the month.  During the final two weeks of the month, no improvement nor deterioration of drought conditions was noted.  The southern half of coastal Willacy county remained in Severe (D2) drought conditions, while the northern half remained in Extreme (D3) drought conditions.

Drought in HIDALGO, TEXAS
From 15-JAN-13 00:00:00 to 31-JAN-13 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Drought Monitor

Despite receiving significant rainfall during the first half of January, little to no rain fell during the latter half of the month across Hidalgo County.  During the final two weeks of the month, neither improvement nor any deterioration in drought conditions was noted. Exceptional (D4) drought conditions remained firmly entrenched across the middle of the county, with Extreme (D3) drought conditions on either side.