FLOOD10515

• County: Gunnison
• Community: Marble and Vicinity
• Stream Name: Crystal River
• Basin: Gunnison
• Title: Floodplain Information Report Crystal River - Technical Appendix
• Date: 5/1/2004
• Prepared For: Marble and CWCB
• Prepared By: ICON Engineering, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

I CLlMA TOGRAPHY OF THE UNITED STATES NO. 81
It Monthly Normals of Temperature, Precipitation, and Heating and Cooling Degree Days
1971-2000
I COLORADO Page 8 I
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TEMPERATURE NORMALS (Degrees Fahrenheit)
No. Station Name Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
I 002 AKRON 4 E MAX 38.2 43.9 51.7 60.4 70.0 81.8 88.7 86.8 78.1 65.6 49.2 40.4 62.9
MEAN 25.1 30.5 37.8 46.0, 55.9 66.4 72.7 70.9 61. 9 49.6 35.5 27.1 48.3
MIN 11.9 17.1 23.8 31.6 41. 7 51. 0 56.7 55.0 45.7 33.5 21.7 13.7 33.6
003 AKRON 1 N MAX 38.3 43.8 51. 7 60.2 69.9 81. 8 88.0 86.5 77.3 64.9 48.8 40.1 62.6
MEAN 27.1 32.2 39.0 47.1 57.0 67.8 73.7 72.3 63.1 51.0 36.7 28.7 49.6
I MIN 15.8 20.6 26.2 34.0 44.1 53.7 59.3 58.0 48.9 37.0 24.6 17.3 36.6
004 ALAMOSA BERGMAN FIELD MAX 33.1 40.2 49.6 58.7 68.3 78.4 81. 7 78.9 72.5 61.7 45.7 34.8 58.6
MEAN 14.7 22.5 32.7 40.8 50.4 59.4 64.1 62.1 54.5 42.8 28.4 17.1 40.8
MIN -3.7 4.7 15.8 22.8 32.4 40.4 46.4 45.2 ' 36.5 23.9 11.1 -0.7 22.9
005 ALTENBERN MAX 35.8 42.8 52.9 62.0 71.7 83.3 88.8 85.9 77.4 65.0 48.4 37.5 62.6
I MEAN 23.3 30.0 38.7 45.8 54.5 63.2 69.3 67.4 59.3 48.3 34.8 24.9 46.6
MIN 10.7 17.2 24.4 29.5 37.2 43.1 49.8 48.8 41.1 31. 5 21.1 12.2 30.6
007 ANTERO RESERVOIR MAX 32.3 35.6 41.5 48.0 5!l.8 70.0 75.4 73.1 66.6 55.9 41.0 32.6 52.6
MEAN 14.6 17.4 26.3 33.2 43.3 52.3 57.8 56.1 48.8 37.6 24.4 15.0 35.6
I MIN -3.1 -0.8 11.0 18.4 27.8 34.5 40.1 39.1 31.0 19.3 7.7 -2.7 18.5
008 ASPEN 1 SW MAX 3 38.9 44.6 51.0 61.3 72.1 7 75.4 68.5 57.7 42.5 34.8 54.8
MEAN 20. 25.1 31.7 37.9 47.4 56.4 , 60.5 53.6 43.4 29.8 21.7 40.8
MIN .4 11.2 18.8 24.8 33.5 40.6 46.2 45.6 38.6 29.1 17.0 8.6 26.8
009 BAILEY MAX 37.8 41.3 46.3 52.5 61.8 73.1 77.7 75.6 68.9 58.8 45.0 37.9 56.4
I MEAN 22.7 25.8 31.6 37.6 46.3 55.4 60.5 58.9 51.5 41.4 30.2 23.3 40.4
MIN 7.6 10.3 16.9 22.7 30.8 37.6 43.3 42.2 34.1 24.0 15.3 8.6 24.5
010 BERTHOUD PASS MAX 21.8 25.2 31.0 36.9 45.7 55.4 61.4 60.3 53.1 42.4 29.7 23.4 40.5
MEAN 12.1 14.4 '19.3 25.6 34.6 44.2 50.2 49.6 42.4 31. 8 19.6 13.3 29.8
MIN 2.4 3.6 7.6 14.2 23.5 33.0 38.9 38.8 31. 6 21.1 ,9.5 3.2 19.0
I 011 BLANCA MAX 34.2 40.2 48.5 57.0 66.5 77.2 81.1 78.8 72.3 61.6 46.3 35.8 58.3
MEAN 17.9 24.7 33.8 41.5 50.6 60.0 64.7 62.6 55.0 43.9 30.1 19.6 42.0
MIN 1.5 9.2 19.0 25.9 34.7 42.8 48.2 46.4 37.7 26.2 13.9 3.4 25.7
012 BLUE MESA LAKE MAX 27.4 31.9 42.7 54.9 65.5 76.9 82.4 80.6 72.8 61.1 43.8 30.0 55.8
P MEAN 13.6 17.7 29.6 40.1 49.2 58.8 64.8 63.6 55.8 44.8 30.8 17.4 40.5
MIN -0.3 3.5 16.5 25.2 32.9 40.6 47.2 46.6 38.7 28.4 17.7 4.8 25.2
014 BONNY DAM 2 NE MAX 40.0 46.1 54.1 63.6 72.6, 83.7 89.2 86.9 77.9 66.2 50.3 41.7 64.4
MEAN 26.9 32.3 39.4 48.3 58.1 68.6 74.2 72.2 62.9 50.7 37.1 29.0 50.0
MIN 13.7 18.5 24.6 33.0 43.6 53.5 59.2 57.5 47.9 35.1 23.9 16.2 35.6
015 BOULDER MAX 45.7 49.1 55.8 62.7 71.7 82.2 87.2 85.0 77.4 66.7 52.6 46.1 65.2
I MEAN 32.5 35.8 41.8 48.3 56.9 66.4 71.6 70.0 62.1 51. 9 39.7 33.4 50.9
MIN 19.2 22.5 27.7 33.9 42.0 50.5 55.9 55.0 46.8 37.1 26;8 20.6 36.5
018 BRIGGSDALE MAX 40.8 46.6 54.4 63.2 72.5 83.1 89.2 86.9 78.3 66.4 50.0 41.6 64.4
MEAN 25.8 31.3 38.9 47.3 57.1 67.0 72.9 70.9 61. 7 49.8 35.1 26.7 48.7
MIN 10.7 16.0 23.4 31.3 41. 7 50.8 56.5 54.8 45.1 33.1 20.2 11.7 32.9
I 019 BRIGHTON 3 SE MAX 41.4 46.8 54.3 62.0 71.6 82.6 87.9 85.9 77.5 66.6 50.1 42.6 64.1
MEAN 26.8 31. 8 39.2 47.3 57.0 66.9 72.1 70.3 61.2 50.0 35.5 28.1 48.9
MIN 12.2 16.8 24.1 32.5 42.3 51.2 56.3 54.6 44.9 33.3 20.9 13.5 33.6
020 BROWNS PARK REFUGE MAX 37.3 43.2 51.5 59.8 70.6 82.3 88.8 87.2 77.8 66.0 48.2 38.7 62.6
I MEAN 21.6 27.4 36.3 43.5 53.2 62.0 67.9 66.1 57.0 46.2 32.3 23.2 44.7
MIN 5.9 11.5 21.1 27.2 35.7 41.6 46.9 44.9 36.1 26.4 16.4 7.7 26.8
021 BUCKHORN MTN 1 E MAX 38.9 41.5 46.5 52.7 61.. 6 72.5 79.6 78.5 69.9 59.1 46.3 40.6 57.3
MEAN 28.0 29.9 35.3 40.8 49.9 59.8 66.7 66.1 57.3 46.9 35.2 29.7 45.5
MIN 17.1 18.3 24.0 28.8 38.2 47.0 53.8 53.6 44.7 34.6 24.0 18.8 33.6
I 022 BUENA VISTA 2 S MAX 39.2 42.6 47.9 54.7 64.8 76.1 80.8 78.3 71.4 61.1 47.0 39.6 58.6
MEAN 24.7 28.1 ,34.2 40.3 49.5 59.1 64.0 62.1 54.6 44.2 32.4 24.9 43.2
MIN 10.1 13.6 20.4 25.8 34.2 42.0 47.2 45.8 37.7 27.2 17.8 10.1 27.7
023 BURLINGTON 4 S MAX 39.9 45.3 52'.8 61.9 71.2 82.9 88.5 86.0 77.8 66.1 49.7 41.4 63.6
MEAN 27.4 32.1 38.6 47.7 57.6 68.9 74.0 72 .1 63.4 51.3 36.9 29.0 49.9
I MIN 14.8 18.8 24'.4 33.4 44.0 54.8 59.5 58.2 49.0 36.4 24.1 16.6 36.2
024 BYERS 5 ENE MAX 40.2 45.3 53'.1 61.4 70.9 82.9 89.0 86.9 78.1 66.7 50.2 41.7 63.9
MEAN 26.1 31. 0 38.4 46.6 56.4 67.3 73.1 71.5 62.1 50.4 35.8 27.9 48.9
MIN 12.0 16.6 23.6 31.8 41. 8 51.6 57.2 56.0 46.0 34.1 21.3 14.0 33.8
025 CABIN CREEK MAX 30.2 32.4 36.6 42.5 52.1 63.4 68.3 66.5 60.0 50.0 37.1 31.9 47.6
I MEAN 18.5 20.4 24.6 31.0 40.6 50.3 55.1 53.6 46.9 37.7 25.4 20.5 35.4
MIN 6.8 8.4 1.2'.5 19.5 29.0 37.2 41.8 40.6 33.8 25.4 13.7 9.0 23.1
026 CAMPO 7 S MAX 47.6 53.0 60.2 68.3 77.2 87.8 92.3 89.7 82.2 71.6 57.0 48.5 69.6
MEAN 31.9 36.6 43.6 52.1 61.8 71.8 76.6 74.5 66.2 54.6 41.2 33.1 53.7
. MIN 16.2 20.2 26.9 35.9 46.3 55.8 60.9 59.3 50.2 37.6 25.3 17.7 37.7
027 CANON CITY MAX 48.5 52.4 57.8 64.6 73.4 84.3 89.6 87.1 79.1 68.7 55.6 49.0 67.5
MEAN 34.1 37.7 42.7 49.7 58.8 68.7 74.3 72.6 63.8 53.4 41.7 35.1 52.7
MIN 19.7 22.9 27.6 34.7 44.2 53.1 59.0 58.0 48.4 38.1 27.7 21.1 37.9
028 CASTLE ROCK MAX 43.9 46.6 51.9 58.3 67.4 78.2 84.0 81.9 74.4 65.0 51.2 45.0 62.3
I MEAN 28.8 32.0 37.7 44.3 53.5 62.9 68.6 66.7 58.7 48.4 36.2 29.9 47.3
MIN 13.6 17.4 23.4 30.2 39.5 47.6 53.1 51.4 43.0 31. 8 21.2 14.8 32.3
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