60 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. 
j O15 CO Ors "CPOs "C O45 °C 07s "€ Gis °C Os 
LEBU, 
Mean 13502456 S12, 7"24.8 112 420k ote 2k. 5 2022.2 Pe. 15 6 eros bee 
Maximum 107 Pam) Sim eal 26 50 ks 26a 2508 ES SS) 25%.) ee 2969 
Mean Max), | 16.225 09" 15.4 625 8 yr: 326.0) “TA 1825.7 2360 25'.6 2. 5.2. oe 
Mesa Mime Wid. Biot. TAL Selo 8 eI Oe So) ers, 1 G7) 10.6 <2 7 Be Ly, 8 ape ae 
Minimum lust iB ao° Sit 16.0 Fit 9 Fo 10.9 g) 8.7 7 GeZ 6 eZ 
VALPARAISO, 
1944 ee eo i ga a= ee pS, 326, 1019.0 °26. 2 2 13, 926. 0 eee 
POF = 1949 115, 6.26 32°15. 726.9 1 1A. 826.3 TE. 0026.0) 13.37 25.8) 912, 2925.9 eee 
Ho50=1954 (Fis, 82681 215,926.20 Ts.0 2652 = 14, 0°25.8 019.5 ° 25.7.1. 942505 ee 
1955=1959015. 7) 2000, 15.6 26.1 146 25.9. 713. 426.07T112,.5'° 26.112. 6125, 7) ae 
1960-1964 116.6260 ©16.6°26.2)°15.4 26.3 13.6°26.3 -13.1°26.2 ~12.7°25.8 Baer 
1965 16.1 22608 .14,6.2658° 114.8°26.6 °15.3.°26.0 913.226.2719. 3 (26.1 Semen 
1966 WH 25 160 15.1 26cke Wee? 26.20 14.9 26.0 13.5. 25.8, 13.0° 25,6 pee 
1967 We 6 +2600 {L5G 26.3 ot. 8 925. 8 LILEY 25.9 ete 3425.8 12.9°25. 9 eee 
1968 BS. 0 $2603 7.15). 3-26.34 15.6 °25.9).213. 1725'.9 02.7 °26,.2 9139.0 °26, 1 ee 
1969 16,002624 5°15. 126.2 .f14.7026.2 14,4265 2 2913.3 °26.2 °19, 0°26. 1 eae 
Mean 15.8 52651 1815.8 26.2 “14.9 26.1 5213.9" 26.0 “19 22° 26.0 212.79°25. 6 ee 
Maximum eal ZO gaz 2000 TALS PAS jergalta Sy SiN 7, 27 6 Tae PAD sao Us 2750 2 eS 27s V 
Mean Maxi x) tn.9 2687 17.7 26.84 16.9 26.7+ 15.3' 26.64 14.6°26,5. 13.8 26,9)" dae 
MeaneMin. oh13../ "2504 1113,8925.6) (23.8 25.6. 202.6%25.4 "22,225.35 %91. 82h, OF Sa 
Minimum v2 2a? Vale 24.0» 2 250) & piel 24.4 11 23). OR NO PES iad! 8 20.2 
CALDERA, 
1ost= 1954 117.3 2504 17.4 25.2 17.2'25.3 16.0.25.5 15.9 25.6 “24.8 25.8 oe 
LOS = "OSIM PB L255 18.00 25.07) 27.5 25.7> 16.0 25.7) 15.4. 25.6, WO 25)6. \ iy eens 
EOSO- 1964 218.8 42555 018.7 25.65 °18.7-25.7) 19 .2°25.52 (15.9% 25.5) 23s. eee 
1965 19,3 2587 19.0 25.6 18.3 25.6 .17.1°25,5 15:8.25.5 15.6 26050. eee 
1966 A6S1 e25e7 91737 2546 197.7,25.6 .15.9 25.5 15.3 25.5, TAG, 2555) pie 
1967 183 Ap25e6 18.2 25.6 017.9 25.6 :1638 25.6 14:2 25.5 1919 25°56 1 eee 
1968 20.2 025085 US.5 25 168 INR, 2 25 54 15.0 25.5 9 15. 3525.54 A 8 eo, 5a eee 
1969 1802657 27.0! 26/68 16.0 26.42°15.5° 26.07 44:7 26.0. Wy 0: 25.9 eee 
Mean LO. 3, 2526 LB. 2556 “L7.7 29.6. 16.3.25.6 15.5 25.6 “be A ese eee 
Maximum 23 LIA Wee ZAG 22 26), 8:4 Bal 26.5% 20 26.7 ws 26,6 as 26.6 
Mean, Max. "20. 712624 20.9. 26219, 20.4 26.10 18.2 26.1, 17.4 26.0) 15.8 26.0-" ae eee 
Mean Min. Wa5. 6925614 16.0025 32). 45.2 25.1; 2455.1 AS. 7 25.25 Wea 25), 2a eee 
Minimum 2 24.0 14 21g aS Diy See lie ay .6, a0 24.8 9 24.5 9 25 0 
ANTOFAGASTA, 
TON6=192911,20.8) 26.2 20.4 26.1. .20.1 26.10 19°6°26.15 16.1 26.1 5.3 25.00), eee 
T950<1954 120.9°26.2 20.6 2661.5 19.39-25.9". 1952 25.8) Ab. 25.8) 15 4 25 8° Sis eee 
1O5 F=1959 119.8: 25.9 20), 62558? 19. a> 25. 8: 9 3 25.8) AG. 25.6) 0S 1 25). 7 ae ee 
LOGO=NGEN | 20.4% 2507 - 205° 2547). 10.4 25.6: 19.9 25.6 146.9 125.5) 215.0 25.5 Meee peeaee 
1965 2056 2529 2063*2549.- 19,426.51 1828 26.1 . 16,3. 26.4 719.3 26.4 (emcee 
1966 19.7 2622 °19.3 2640 .18.7 26.1 49731 2651 1557 2538 °15.2 25.8. aa 
1967 £9..°7 26.2 19.8 2548 iMeTAS) 25.9 Wire: a 15 6 aaa 14.5 BSS) Wee 26.0 
1968 20, 8°264 -19',9526200 20.8; 26.4 91613).25'.8) 05 16,725, 7° i 8 25.7) eee 
1969 20.19 2624 201.3262 5% UB 7) 26.10 <i WS eG) OF ) 7. 98, N26 3S 7 2G 9h cn ee 
*Observations for the year are incomplete; extremes are for the months shown. 
