74 Table 1.- Surface Water 
Means and 
Years January February March April May June July 
Temp. Dens. Temp. Dens. Temp. Dens. Temp. Dens. Temp. Dens. Temp. Dens. Temp. Dens. 
‘ M5 "© > Gag Te? 0eas GS 7 as "COT, °C oe 
SAN JOSE, 
1965 28.6 25.0 "28.7 25.4 (<= <== -- = -- -- 29.9 24.9 30.0 24.7 
1966 29.4 25.0 -- -- 29.0°25.4- 29.8)25.0% 29.525.) 29,602k.6) (JORG 
1967 28.4. 24.8 128.3.25.2- 28,6.25.3 28.7. 24.8. 2976.25.5. 29.2-24295 Bonomeuee 
1968 28. Oe22e5 (2704 25n 2. (2829425.38+ 29.1 25.8) 29st 254 29.6 2elS 25 hemen me 
1969 29.3 2455 29.3 25.1 (29.0 °25.2-° 29072524. 2918 25.5. 29.7 24.0 -2Oueeee 
Mean 28.4 24.8 )28.3 25.2 28:7 25:3 29.2 25.4 29.8 25.4 29:7 24:7 SGe@eeeee 
Maximum Bul 26.4 30 26.3). Bil 26:7 31 2690. oH 26.6 31 26356 32 26.4 
Mean Max, | 29.3°25.4 |29.2 25.6 (29.6-25.8- 29.9.25.9. 30.5 25.9. 30.7-25.7 30egeaoes 
Mean Min, 127.3 24.2 (27.1 24.5 i27:6-24.6- 2830. 24.6 28727. 24.6 -:28/3-239.4) Zao 
Minimum oh,” Bb.9 12h." B5.2 “aby -2alg- 24°. 8513 2a, 238. 22). 20iee Bae 
SALINA CRUZ, 
1952-1954 | 22.9 25.9 23.7 25.8 23.6 26.1 25.5 25.9 27.8 25.8 28.6 25,0 "@RRemeae 
1965219591 29.4 25.4 24,1 25,6 (25,.9°25.8. 27.3-25.0> 28.6 25.8. 28.8 25.2. Sone 
196061964 | 22.8 25.6 2368 25.5 25:0 25.5. 26.1 25356 2852 25.8 29:6 25.4 - 2Gemeenet 
1965 23.2). 25.7 120.0 25.8. '25.5.25,.8: 28.3. 25.0. 2608.25.6-. 29.5, 25359. Gieeeeeeee 
1966 23.9. 25.5 (29.5 25.60 29.39 2569 27.9 25.8 2920 25,8 29.2 2555 “20g 
1967 22 8425.0 122.3 25.9 .29,8°25.8- 25.9-25.7— 29-5 25.8. 28.0625... 2a 
1968 22-9) 26:2 121.9 26.2 (21.3 26.6 27.4% .26.9. 29,1 .26.5- 2926.26.95. ‘Seam 
Mean 23.4 25.6 29,97 25.7 26.8 2578 26.79.2558 28299.25;59. 29:1.25:4: eau 
Maximum 30 20h hh 26,9 729 2650" 30) gece ae 29.5 31 29°53 32.5 aeee 
Mean Max. | 26.7 26.5 | 26.8-26.2 27.8 26.5 29.2.26.5. 30.3 26.4. 30.2.26.1. 29,G0eg00 
Mean Min, 118.6 24.9 (19.9 25.0 19.8 25.1 2321 25.2 2533'25.3 2763°2338 2735 eee 
Minimum 16 ob 26 2.6 17 Oh od 12) Oe on 2h.6. 24.19.56. 26°. sagem 
ACAPULCO, 
ogO=1954 | 27.3) 25.4 (27.0 25.5 25.9 25.7 26.4 25.7 25,9 25.8 2887.25.59 2once 
1955-1959 | 27.3 25.2 26.8 25.4 26.7 25.4 26.7 25.6 28.4 25.6 29.1 25.2 29.7 20 
1960-1964 | 29.4 25.2 | 26.6 25.3 25.5 25.5 25.4 25.6 26.4 25.6 28.3 25.4 S29NeRae 
1965 26.7 25.5 425.2 25.7 (2650 25.6 2658 2546 279539°25.6 2ERB.ces5 Sone 
1966 27 adn 25 ak P27 ads 25 0He 1272.8.25.6, 24,9. 25.5. 27.8.25.7. 28.eesac, eo 
1967 26.8 25.9 )25.5.25.% (25.9 2555 24.6. 25.6, 2601.25.7. 2esa2oco., 2 ane 
1968 26.9. 24.9 | 25.6.25.2.° 24.6 25.3. 2659 25.3 2982°25:.3  2one5ee. Coe 
Mean 29°.3.25.2 26.6 25.4% (26.2 2525¢ 25.9 25:6° 27.2 25:7 28262553" Zoe 
Maximum 30 260.9 20 4 20.08. 420 2oem). 30 26.3. 30 2622. Si 271) Ge 26.5 
Mean Max, | 28.1 25.6 |27.6°25.7 27.0 25.8 27:5 2549 28:9 26:0 20872621 3Omierceee 
Mean Min, | 26.3. 24.9 725.2 25.1 24.6.25.2. 24.1 25.2 259.1.25.1. 26,55.23,4. 27eeueeee 
Minimum 25 ea 6 0a5 2h 6 ie ay 9 22°. 2G 23° °2h.2' Ags’ te. 2. Ce ieee 
MANZANILLO, 
1953-1954 || 26.9 27.0 127.5 26.2 (24.1 26.0 25.2 26.2. 25.1 26.2 27.4 26.1 20cm 
1955=1959 | 27.6 25.5 | 26.9 26.1 25.9 26.0 26.1 26.2 27.8 26.4 28.4 26.1 20:snueoee 
19602-1964 | 26.2 25.8 | 25.4 25.9 22.9 26.2 24.1 26.3 25.4 26.2 27.2°26.1 “20j0 see 
1965 Ql oF 267.0) 23.4% 26.2 :24 t 26.2 Bhwg Ben 1 26.6 26:0 27:;6°26:1" 2025) 2eem 
1966 26.5 25.8 25.6 26.0 2523 26:1 22:6°26¢2 24.0°26.1> 29.4 26.0 2auaeeeee 
1967 25.2 24.2 (26.8 Ob.8 25.2 25.9 23.4 26,2 24.6 2613 26.3 26.3 29e2eeoue 
1968 25.6 26.1 25.1 26.2: 21.8: 26.1 22.77 26,4 26.0 2653 24.7 26231. | aa eaee 
*Observations for the year are incomplete; extremes are for the months shown. 
