42 
USEFUL PLANTS OF GUAM. 
Moore, Chief of the Weather Bureau, was detailed to examine and 
interpret the records forwarded to the United States Hydrographic 
Office: 
Temperature, 1902, 
[Degrees Fahrenheit and centigrade.] 
Mean daily 
Mean, | Absolute. range. 
Month. | Maximum. | Minimum. 
OF. °¢, | a —_——_——| of, °C, 
OF, °C”. oF, °C, 
JANuary.... 22.2.2 22 ee eee eee cece 79 26.1 86 30.0 7 21.1 8 4.4 
February ..........02..0.0...0.............. 80 26,7 86 30,0 71 21.7 8 4.4 
March ....2 22.2... 200 cece eee ce eee eee. 80 26.7 87 30.6 72 22,2 10 5.6 
April... 0.2... 2c eee. 81 27.2 87 30. 6 73 22.8 8 4.4 
May... 22.22. e ee eee cece eee cece eee... 82 27.8 88 31.1 72 22.2 9 5.0 
June 2.2 eee eee eee, 82 27.8 90 32.2 73 22.8 10 5.6 
JULY... eee cece eee eee ee. 81 27.2 90 32.2 75 23.9 9 5.0 
August.........0.00 0000020202. 81 27.2 88 31.1 74 23.3 9 5.0 
September .................202.20022....--.. 80 26.7 87 30. 6 73 22.8 11 6.1 
October . 2.0.2.0... eee eee ene eee 80 26.7 88 31.1 70 21.1 10 5.6 
November .............ce00.020-0-0-... 00... 79 26.1 85 29.4 69 20.6 11 6.1 
December....-..........0222-00-0000000. 2... 78 25.6 85 29.4 66 18.9 9 5.0 
Annual maximum.......................... 2 27.8 90 5 a re 17 9.4 
Annual minimum .........................- 78 25.6 ed 66 18.9 3 1.7 
Mean ........ 00000002 ec eee eee 80 26.7 | 87 30. 6 72 22,2 9 5.0 
Rainfall, 1902. 
{In inches and millimeters, ] 
Total. Percent- |Maximum in24 hours. 
age of eT dee 
Month. Inches, | Millime- | annual Inches, | Millime- 
“ ters. rainfall. oes ters. 
JANUALY «22.02. eee eee cece ee ccecceeecee 3.58 90. 93 3.1 1.01 25. 65 
February ... 2.2.2... 2.02002 e eee eee cece eee. 7.30 185, 42 6.3 2,24 56. 90 
March ___ 2.22.22... eee eee eee eee 3.21 81.538 2.8 .90 22, 86 
April... 00.2... eee eee eee 3.87 98, 04 3.3 71 18. 08 
May .. 2... ecco eee 4.55 115. 57 3.9 .92 23.37 
JUNE... cece eee ence cee ee eee. 7.14 181.36 6.1 2.92 74,17 
July 22.2... eee eee eee 16. 06 407. 92 13.8 6. 26 159, 00 
19. 72 500. 89 16.9 4.72 119, 89 
27.01 686, 06 23,2 5.31 134.87 
9.63 244. 60 8.3 2.81 71.37 
11. 86 301, 24 10,2 2.62 66, 55 
2.53 64, 26 2.2 77 19.5 
Sum .... 0. ec eee eee cece eee 116. 46 2, 958, 12 100.0 foe. fee. 
Maximum........................-............ 27.01 686. 06 23,2 6.26 159. 00 
Minimum .............00.....0................. 2.53 64, 26 Pe se re 
Number of days with rain, and amounts, 1902. 
More Hore More More More More More More 
Month. than a than Month. than a than 
trace 0.10 0.50 Linch trace 0.10 0.50 lineh 
‘| inch, | ineh. . "| Ineh. | ineh. a“ 
January ......... 18 11 2 1 | September ...... 27 26 15 8 
February........ 21 9 4 3 | October... 22... 21 12 7 3 
March........... 16 9 2 0 | November ..._.. 25 17 6 4 
April ............ 19 11 3 0 | December....... 15 9 1 0 
May ............. 22 9 3 07 
June ........0... 2 12 4 1. Sum ...... 265 165 | 66 29 
July 2.2.2... 28 17 7 5 | Maximum ...... 28 26 15 8 
August .......... 28 23 12 4 |} Minimum....... 15 9 | 1 0 
