WEATHER BUREAU TABLES.

UNITED STATES OF AMERICA,
DEPARTMENT OF AGRICULTURE,

Washington, D. C., July 13, 1892.

Pursuant to section 882 of the Revised Statutes, I hereby certify that the annexed tables of climatic data have been compiled from the original records of observation made by an observer of the Signal Service, United States Army, stationed on the Island of St. Paul, Bering Sea, during the period of time covered by the tables, and that said tables of climatic data are true compilations from the original records of observation now in the possession of the Weather Bureau.

MARK W. HARRINGTON,
Chief of Weather Bureau.

Be it known that Mark W. Harrington, who signed the foregoing certificate, is the chief of the Weather Bureau, and that to his attestation as such full faith and credit are and ought to be given.

In witness whereof I have hereunto set my hand, and caused the seal of the Department of Agriculture to be affixed, on this 13th day July, 1892.

[SEAL.]

J. M. RUSK, Secretary of Agriculture.

Mean temperature (degrees F.) at St. Paul Island, Bering Sea, Alaska.

Year.

[Latitude 57° 10' N., longitude 170° 01′ W.; elevation, 30 to 50 feet.]

Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Annual.

REMARKS.-The mean temperature was obtained from the observations made at 7 a. m., 2 and 9 p. m., after the formula (7+2+9+9).

Maximum temperature (F.) at St. Paul Island, Bering Sea, Aluska.

Jan. Feb. Mar. Apr. May. June. July. Aug. Sept. Oct. Nov. Dec. Annual

Year.

1872

1873

34

1880

36

39

38

37

46

Sums.
Means.

57

59

Twenty-six days.

Minimum temperature (F.) at St. Paul Island, Bering Sea, Alaska.

[Latitude, 57° 10' N.; longitude, 170° .01' W.; elevation, 30 to 50 feet.]

Year.

Jan. Feb. Mar. Apr. May. June. July. Aug. Sept. Oct. Nov. Dec.

An

nual.

REMARKS.-Minus sign (-) indicates temperature below zero.

Actual number of clear days at St. Paul Island, Bering Sea, Alaska.
[Latitude, 57° 10' N.; longitude, 170° 01' W.; elevation, 30 to 50 feet.]

Jan. Feb. Mar. Apr. May. June. July. Aug. Sept. Oct. Nov. Dec.

63

122329

1+ 1
0

10

2

01

20

3

3

1880

Actual number of fair days at St. Paul Island, Bering Sea, Alaska.
[Latitude, 57° 10′ N.; longitude, 170° 01′ W.; elevation, 30 to 50 feet.]

An

Year.

Jan. Feb. Mar. Apr. May. June. July. Aug. Sept. Oct. Nov. Dec.

nual.

Actual number of cloudy days at St. Paul Island, Bering Sea, Alaska.

[Latitude, 52° 20′ N.; longitude, 170° 01′ W.; elevation, 30 to 50 feet.]

REMARKS.-A "cloudy" day has from 0.8 to 0.10 clouds.

Cloudiness, expressed in percentages, at St. Paul Island, Bering Sea, Alaska.
[Latitude, 57° 10' N.; longitude, 170° 1′ W.; elevation, 30 to 50 feet.]

Years.

Jan. Feb. Mar. Apr. May. June. July. Aug, Sept. Oct. Nov. Dec.

An

nual.

REMARKS. The percentage of cloudiness was obtained from the eye estimates of the observer, recorded on a scale of 0 to 10 at each observation. The mean of all observations was used as the mean for the day. One hundred per cent represents a sky completely overcast.