46 
Years 
1949-1953 
1954 
1955 
1956 
It 
1958 
Mean 
Maximum 
Mean Max. 
Mean Min. 
Minimum 
1949-1953 
1954 
Mean 
Maxi. mum 
Mean Maxe 
Mean Min. 
Minimum 
1945-1948 
1949-1953 
1954 
1955 
1956 
1957 
1958 
Mean 
Maximum 
Mean Max, 
Mean Min. 
Minimum 
1958 
1955 
1956 
1957 
January 
Temp. 
°F 
80.4 
83.0 
81.9 
79 01 
80.2 
81.4 
80.8 
286 
63.7 
77.8 
73 
Sal. 
eo 
32.7 
30.3 
3305 
33-1 
3204 
36.3 
3565 
23: 
17.0 
February 
Temp. 
°F 
RRwaM 
SSSESS 
Sal. 
%o 
33.3 
hed 
3204 
32.1 
3302 
36.6 
3505 
2hek 
Wyk 
28.5 
28.0 
28.4 
31.5 
29.7 
20677, 
2504 
April 
Temp. 
°F 
Sal. 
° 
353 
34.5 
Bhe2 
34.0 
35.0 
3h.8 
36.8 
36.3 
29.1 
25-1 
28.9 
2907 
29.0 
3203 
Spied 
25.09 
24.6 
*Observations for the year are incomplete; extremes are for the months shown. 
‘Yable 1.- Surface Water 
June 
Temp. Sal. Temp. 
°F %o °F 
Means and 
July 
Sal. 
%o 
PUERTO LIMON, 
83.3 
83.2 
8305 
83.2 
8h. 6 
34.0 
33.6 
3305 
34.0 
3405 
3309 
37.0 
35.8 
30.3 
2heT 
8304 
86 
8542 
81.2 
78 
30.6 
30.2 
20-4 
33.8 
32.9 
2722 
26.7 
83.9 
83.9 
83.9 
FERRY 
36.6 
36.7 
37.0 
3720 
36.8 
36.8 
373 
371 
35.8 
33.8 
LOS ARROYOS, 
== 
82.8 31.9 
34,08 
30.4 
30.8 
3301 
3261 
83.3 
81.8 
82.3 
83.3 
82.7 
86 
85.3 
79.6 
78 
36.7 
350k 
23.9 
13.3 
CRISTOBAL, 
83.2 28.0 
83.0 27.3 
REACH, ST. 
&1.7 
82.4 
82.2 
82.0 
81.9 
80.5 
83.6 
36.7 
3604 
36.8 
360k 
3608 
3607 
3701 
37.0 
35.8 
3501 
82.1 
86 
Sheol 
1902 
77 
SALVADOR ISLAND, 
81.5 3604 
85.9 
87.3 
