Arizona republican., 1906-09-05
THE WEATHER BULLETIN Directors Report for Week Ending
 September 3, 1906.

The temperature continued abnor-
 mally low. There was an average
 daily deficiency in temperature of 6
 degrees; For the northern section, the
 departure was - degrees; for the
 central section. the departure was -6
 degrees, and for the southern section,
 the departure was -6 degrees. Light
 to heavy frosts occurred over the
 northern counties on Friday and Sat
 urday. Dew formend heavily over the
 central and southern counties on Fri
 day and Saturday mornings. Follow
 ing are the extreme temperatures re-
 corded: At Flagstaff, the maximum
 temperature was 76 degrees, on August
 27th; the, minimum temperature was
 3S degrees on August 31st At Phoe-
 nix, the maximum temperature was
 9S degrees, on August 27th; the min
 imum temperature was 67 degrees, on
 August 31st. At Yuma, the maximum
 temperature was 1O4 degrees, on Au-
 gust 27th; the minimum temperature
 was 69 degrees, on the 1st. The night
 temperatures ranged from 36 degrees to g degrees over the northern cOun- ties; from 50 degrees to 72 degrees over the central counties, and from 62 de-
 grees to 80 degrees over the southern counties
 Partly cloudy to cloudy weather pre- vailed during the first four days of the week. The last three days were dry and almost clOudless. The rains were mostly of a light character. and un- evenly distributed, excepting certain localities of CocOnino, Navajo and Apache counties where heavy rain fall was measured. Hailstorms occur ad faa i, nino county, on Wednesday. The dam age was slight. The weekly amounts of precipitation were recorded as fol- ! lows: At Flagstaff, the total weekly | amount was 0.25 inch, being a defi- ! ciency of O.42 inch; at Phoenix. trace, ! deficiency of 0.17 inch; at Yuma, ! trace, a deficiency of O.O7 inch. The prevailing wind-directiOns and the av- 1 craze wind-velOcities were as follows. For the northern counties the prevail ing wind direction was north, and the average wind-velocity was , miles per | hour; for the central counties. the pre- Vailing wind direction was east, 5 . miles per hour, and for the southern | counties, south. miles per hour There was a marked decrease in the relative humidity of the air. At Phoe- nix the weekly mean humidity was 3S per cent. The average of the daylight humidity was 17 per cent; the average l. of the night humidity was 5S per cent. The greatest humidity was 72 per cent, on August 2Sth; the least humidity was 16 per cent on August 31st. The aver age number of clear days was three: partly cloudy days, three, and cloudy days, one.
 The supply of irrigation water within the stream-beds throughout the Terri tory was slightly increased by the pre- cipitation of August 27th, 2Sth and 29th; so that, at the end of the week, practically an almost uniform flow of water was maintained During the early part of the week, the discharge ( in the lower Salt and lower Gila rivers ', had increased by several thousand . inches. The water within these stream beds still remains thick and ( muddy. The progress upon the ex- cavations of the Laguna and Tonto - dam projects has not been hindered by the recent freshets to such an extent IS to cause any delay in the work For the third consecutive week con- inuous water service was rendered, V all of the canals, dams, ditches, aterals and crosscuts were running ,ul and up to their greatest capacity The volume of the present large sup ply of water is fully 50 per cent greater han the measurements made during [ he corresponding period of last season, f 'eceived during many summers past. V