FLOOD10305

• County: Statewide
• Basin: Statewide
• Title: South Platte River and Tributaries Appendices I,II,II and IV
• Date: 8/1/1945
• Prepared For: Colorado, Wyoming, Nebraska
• Prepared By: US Engineers Office
• Floodplain - Doc Type: Flood Documentation Report

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T;..BLE 7.

~verngc monthly relntivo humidities,

Denver. Colol'ndo Cheyenne 1Tyominr;
Month A.l1. Noon* P.I',1, .i\.M. I Noon** P.M,
1
Jo.nunry 61 44 50 61 51 54
Februo.ry 64 1.3 48 66 50 57
Mar ch 64 42 44 u8 51 52
Lpril 65 40 1.0 71 51 49
Mny 67 38 1.1 75 46 1.9
Juno 64 33 35 71 ~.2 4~
July 6' 31 37 69 35 41
'.
~'...UE:.'Ust 66 32 37 70 3":1 41
Soptember 6", 3~, 35 67 39 41
October 62 37 39 65 39 48
November 59 ,10 4r~ 60 ",2 52
December 61 &~ 51 61 18 56
- , -,
l.verace nnnual 63 38 42 67 /.1 49
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. 27 years ef record
** 7 years ef record

TJ,BLE 8.

Wind velocities,

, Ye",rs I .A.voro.c'o annual winds Mnximum voleoi~ I
City I of Velocity Prevni Hnr; "riilles pc'rhour .-
record milos/hI' direction
Denvel', Golorado 71 7~3 south 53
Ft. Collins, ColoradO 50 6.0 northwost 75
Cheyonne, Yfyoming 65 ll.3 northwest 65
Norlh P1o.tto, Nebraska 8.7 Yfcst 73

20. Evo.poration. Evaporation reoords arc avnilab1e at Fort Collins,

Colorado, for each month durinc the period 1887 to 1926 inolusive, !lnd for

the growing; season J,pri 1 to October, inclusive, during 1927 to 1943, in-

elusive. Evo.pornt ion records nro nvc.ilo.blo o.t .;"kron. Colorado, for tho

months ~pril to September, inclusive, during tho pel'iods 1908-1943, in-

olusive. The records at both stations,wero obtained from sunken pans with

a coefficiont of 0.80 at Fort Collins for the full rocord, und 0.95 at

;,kron from 1908 to 1915 and 0.91. from 191<l to lS.;,3, inclusivo. Tho averag;e

monthly ovo.porati.)n rates for the c.bove reoords arc presentod in table 9.

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