PERMFILE119886

• Permit No: M1995060
• IBM Index Class Name: Permit File
• Doc Date: 7/25/1995
• Doc Name: REGULAR OPERATION 112 RECLAMATION PERMIT APPLICATION FORM
• Media Type: D
• Archive: No

•
TABLE 11.--TEFIPERATURE AND PRECIPITATION, ALAMOSA AREA, COLORADO
[A11 data from Alamos a, Alamosa County; elevation 7,539 feet]
Temperature Precipitation
TWo years in 10 will Two years in 10
have at least 4 days will have-- Average
with-- number of Average

Average Average days with depth of
Month daily daily Maximum Minimum Average Less More cover of snow on
maximum minimum temperature temperature total than-- than-- 1 inch days with
equal to equal to or more snow cover
or higher or higher
than-- than--
°F. °F. °F. °F. Inches Inches Inches Inches
January---- 36 -1 49 -21 0.26 0.1 0.4 10 2
February--- 41 6 SS -12 .17 .1 .3 5 3
March------ 49 15 61 0 .26 .] .3 2 2
April------ 59 25 70 13 .69 .2 1.1 1 3
May-------- 68 33 79 23 .73 .2 1.1 (1/) 1
Jame------- 79 41 87 32 .49 .2 .6 0 0
July------- 83 47 88 41 1.07 .6 1.4 0 0
August----- 80 46 86 37 .98 .5 1.5 0 0
September-- 75 36 83 26 .77 .2 1.3 (1/) 1
October---- 64 13 74 13 .60 .2 1.2 1 4
November--- 49 30 60 -8 .29 .1 .4 4 3
December--- 38 0 52 -17 .25 .1 .4 9 4
Year----- 60 24 89 -28 6.56 4.9 9'.0 32 3
1/ 2/ 3/
Less than one-half day. Average annual maximum. Average annual minimum.
TABLE 12.--PROBABILITIES OF LAST FREEZING TEMPERATURES IN SPRING AND FIRST IN F.4L L, ALAM~A, COLORADO
[Elevation 7,539 feet]
Dates for given probability and temperature
Probability 16° F. 20° F. 24° F. 28° F. 32° F.
or lower or lower or lower or lower or lower
Spring:
1 year in 10 later than------- May 6
2 years in 10 later than------ May 2
5 years in ]0 later than------ April 23
Fall:
1 year in 10 earlier than----- October 7
2 years in 10 earlier than---- October 12
S years in 10 earlier than---- October 20
Average number of days between
last freeze in spring and
first in fall----------------- 180
Ma 13 Ma 20 June b June 17
Y Y
May 8 May 16 June 1 June 13
April 30 May 7 May 23 June 4
September 29 September 18 f September 8 (August 24
October 4 September 23 I September 12 August 28
October 12 October 1 September ZO September S
165 1147 I 120 193
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