4 BULLETIN 836, U. S. DEPARTMENT OF AGRICULTURE. 
TABLE I.—WMonthly and annual precipitation at Woodward, Okla., during the 
11-year period from 1908 to 1918, inclusive. 
[Data (in inches) furnished by the observer of the United States Weather Bureau at Woodward.] 
Year. Jan. | Feb. | Mar.| Apr. May. | June.| July.| Aug.| Sept.| Oct. Nov.| Dec. | pee Mean. 
[eamacra [es (Pe ee | | | 
190Ssee Sa oS 0.25 | 1.25 | 1.10 | 1.70 | 3.25 | 3.76 | 5.87 | 1.82 | 4.30 | 2.75 | 1.47] 0 pedoo2 eeaeees 
L909Ss2 See 05 a2SF| 66 | .45 | 4.78 | 2.45 | 1.54 | .29 | 4.88 | 2.95 | 9.54) .15 | 28.02 DIAL 
1OLO2 eee eee - 46 22/0 1.97 Bet dey aie ays oe .38 | 0 | .O1 | 14.01 23.18 
TOU Racer 8.09 | 0 eee eek iy) 2 | Be .41 82 52 | 2.90 | 25.80 23.84 
OU eee os ate -03 | 2.58 | 2.37 | 1.63 | 1.15 | 3.02 | 3.25 | 2.90 | 3.44] .50 . 06 07 | 21.00 23.27 
1913-32. eee 540.) 2.44 | 254] 11 | 2.08 | 5:31 -99 | 1.87 | 4.89 | 1.05 | 3.50 | 2.73 | 26.91 23. 88 
11) be ae .18 51 34 | 2.44 | 3.53 . 60 92 | 2.92 -82/ 1.99; .06 77 | 15.08 22. 62 
14!) ee Ae eee PO. | S44 S45 OST On4 7a e2eSialnos40r| oe GUnmOn2 ta a2e 2 -08 02 | 39.21 24. 69 
19TGE SS Soa 1.29 MOSHE sO 2t) 2a Ole ole alate Gt 7IFO Ta CEPA TS teYy 95 38 | 24.20 24. 64 
1h iy eens - 43 5774 las 34 | 1.93 | 1.39 | 1.89 | 1.33 | 7.00 | 1.90 | 0 .77 18 | 17.38 23.91 
IGIS ss s25K6 1. 60 . 22 TESH |EZIS IG 4e 4Or ati alee 9 . 70 |. 1.26 | 3.54 | 1.73 | 3.58 | 25.38 24. 04 
Average...| .53 | 1.75 | .87| 2.08 | 3.05 | 3.17 | 2.21 | 3.23 | 2.76 | 1.67| 1.74 | .98 | 24.04 |.2._-.. 
| | | { | 
DISTRIBUTION OF MONTHLY RAINFALL. 
The total annual and seasonal precipitation, which is shown 
graphically in figure 2, may easily be misleading. This is due to 
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Fic. 2.—Diagram showing the annual and seasonal precipitation (April to September) 
and the average precipitation (in inches) at Woodward, Okla., in the 5-year period 
from 1914 to 1918, inclusive. 
the irregular distribution of summer rainfall, to the varying quanti- 
ties deposited by different showers, and to the manner in which it 
