2010-06-22_REVISION - M1994108

• Permit No: M1994108
• IBM Index Class Name: REVISION
• Doc Date: 6/22/2010
• Doc Name: Amendment Application for 112
• From: Noland, Inc
• To: DRMS
• Type & Sequence: AM1
• Email Name: SSS
• Email Name: KAP
• Media Type: D
• Archive: No

avoiding the colder storms that are typical of most parts of Colorado. Winter storms bring
heavier snowfalls to the San Juan Mountains in the northeast portion of the county. The
atmosphere is dry and generally clear. There is abundant sunshine, with an average of 321
days of sunshine during the year. For gardeners and agriculture, USDA zones range from 3 to
5. The site rates between 3 and 4. The elevation ranges fr6m 6,200 feet in Cortez to
approximately 7,000 feet in Mancos and Dolores; the site is at 6,800 feet. Snowfall varies
considerably with elevation. Precipitation is extremely variable from year to year.
TrrhlP K_1 (-'Pririr Point GPnPral and Reaional Climate Data
Data Item Quantity Units Remarks
2- r, 24-hour storm 1.7 inches of precipitation interpolated
100- r, 24-hour storm 4.5 inches of precipitation interpolated
Depth of freezing 30-48 Inches
Annual average lake evaporation 46 inches/ ear Schwab et al.
Rainfall, Mancos 16.4 inches/ ear Weather.com
Snowfall, Mancos 47.2 inches/ ear
Precipitation days, Mancos 72 Days/year
Sunny days, Mancos 245 Days/year
Avg. Jul High 84.4 De rees, F
Avg. January Low 15.3 Degrees, F
UV Index 6.2
Mean Annual Temperature,
Cortez 48.5 Degrees, F 1929-1996
Dail Maximum Temp, Cortez 101 Degrees, F 07/13/1971
Dail Minimum Temp, Cortez -31 Degrees, F 02/08/1933
Growing Season, Site 120 Days USDA
Elevation of irrigable area, Site 6800 Feet above sea level USGS
Normal Precipitation, Cortez 13.21 Inches/ ear 1961-1990
Maximum Precipitation, Cortez 21.14 Inches/ ear 1965
Minimum Precipitation, Cortez 5.23 Inches/ ear 1989
3. Annual Precipitation: Table K-2. Cedar Point Precipitation Table3
In Inches Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precipitation 1.33 1.17 1.53 1.17 1.07 .57 1.20 1.58 1.21 1.51 1.38 1.33 15.0
Snowfall 10.3 .5 7.9 2.4 .6 0.0 .0 .0 .0 1.0 .2 7.3 43.2
No information available for Mancos. Data extrapolated from Cortez (15 miles W of
site) and Dolores (18 miles NW of site)
4. Temperature: Table K-3. Cortez Temperature Table
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
ax 0.3 5.4 2.8 63.0 2.5 3.1 8.3 6.1 8.8 67.2 52.3 2.3 4.6
Min 12.0 17.7 3.9 0.4 8.1 5.8 3.5 2.3 4.0 3.5 2.3 14.6 2.5
Average 6.2 1.6 8.4 6.7 5.3 64.5 70.9 69.2 61.4 0.4 7.4 8.5 8.6
No data available specifically for Mancos. Data available for Mesa Verde National Park is
for Chapin Mesa and not representative of this site; Cortez is closer in siting and climate.
3 Calculated by taking ratio of 16.4 inches for Mancos and 15.0 inches for Mud Creek Pit and
applying to both total and snowfall.
Exhibits for 1 12(c) AM-02 Application - M-1994-108 - 2010 - Page 60