16 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. 
°C M15 “C "5 °C N75 °C M5 °C 15 °C "5 °C O15 
SOUTHEAST FARALLON 
Mean Ae Got Pe MA the Gu SUBS A HE Seo Male 6! 11 eee tae 26.0) eee 
Maximum 155% es) Ply 25 Ie ie  eeete ae a es is. | 18) + Shes 18. 60-4 ie ae 
Mean May |U2e Get 9.12.4 24° 12.7 She tee7 25.0 12.9:°25.2') 13.5 25.84 1S eee 
Mean Min, (10.7 23.7 110.6 23.2 “10.1 2ayer 99L9723..7° 10.1 208 10 2 oe 
Minimum 9 pe} 5 Hsia 77 8 2aie2 8 14,3 9 DRG 9 21.4 9 229 
[eee 2 | 
SAN FRANCISCO 
1855-1859 VO ma die Opt APSF ee 2 sh en Se DAZ ee VAG 
MSGORUeoy Ione i= 10/3) == ae a NOMS a DUG ates L320 ae Le a 
MeesH1869 |10Oe6 ~ Se NOSE Se beg ees NS Os es ce is yon =e 1p Sen 
te7oete7s jaggy sa On 7 ee Wor 2 leh tS fe see oe ate Wl Be 154% S23 
PO7RaC77 | 2 == ee il 2 ie = Ve el Ol tes 14.9  2— 15 oe 
1922-1924 |.O,9 21.9 WO.3 21.45 Badge2o.4 | 1270 2055 > 2S51.2082 Tesh iZo2)* US eee 
1oe5=t979: (90.2 22.9 911.3 19.0 Aekemo 78, 12.7 19/00 Mtl 2022> Tesoyeass ae 
LosQ=1934 120.2 21.9°9l1.0 2128 Peso ant 1259 21.37 935 21.9 14 59"22.5° (eae 
163521939 110.6 21.4 )10.4 19.6 Wie ig.9 12.2 17.6 13.2 18.5 14.6 W956). ties 
TOUGEIGUE Ni 3 19,9018 17.0 Meso 16.7 12.9 170%" 9355 19.1 1338 2002 Woe 
ToWeSroloy (21.0 M10 Beek. oy ee oeeG. 8. 1255-20205 Uge2 2152, Te fel2as7 eee 
TOSO=VOSH WOgael929 W10.46618.6. MLO -198). 1221-2020. 1258 20¢c4) 1374 92053 whee 
1955=1959 110k 1909 [1O.Gnl9G. Dn AE OGS1825) «6«1255.2068) 1B 2L4, thee eis) Gee 
19604196" 49,9 22.9.6 21.6, MiS-22.7 12,2° 21290" AZo 2226" 132202392" Ae 
1965 TO het S20) MOMseTS B+ Md So2L 2. 12 250R 2a) Deli lacs) becsyei.e" ees 
1966 18 21? HILO By2he Ss) MORGe2Li2. 123042285. W2t4 52286, 1242398) eee 
1967 G.9n21.3 1) GQeeuioe A, WOo9L19,6. LL esB. 1204 16s) TASe eee eee 
1968 Se AG ee owe == 1159 23:3' 12:6 2328  1329° 2337" Daseeeeen 
1969 CeO 7 One == 1028-1657 12.6-9756 13.1-18.9, 14.0 19.3, Sue 
Mean ‘Gn e241 UO l9d20'0 + Mds6219.7. 12,4Toeo.-' 13.1/20.6. T9920 R, Ae eee 
Maximum 14 2549 Taw \ 288) 116 25.8. ie 25.4. 18 26nBy 20 25lay Teo 2589 
Mean’ Max tlie 592269 H12.0-22.5. 113.7 22.7 145-2208, 1457-22°9, 156-2302, Tortie 
Mean Min, S. Seteas | 8,816.4). 1026.15.27. 142.5°16.4, 1176-1830, 1273-1609, ae 
Minimum 5 74 i) Be? 8 4.3 8 SS) 8 Oi 7 7? dial 5 VOR 
YERBA BUENA ISLAND, 
ISIS Be eats® Bes Ol? Fe 71 8: Laas + hat ee Lee eee Pha e! 
ALAMEDA, 
Volo=1ohkh |1067 U6 hI2.1 1229 114.6 12.1 1527 12.9 17.8 14.8 ieegress, 2emmeeeee 
1945-1949 9.6 19.0 11.0 1852 13.1 17.9 16.1 1737 17.6 17.9 19.7 19.1 S2on pee 
TOEGS1O58 | 10. 2016es Fito tee: 48 4015.6: Wake 1650: 27 916.6 1629-1758) ‘Sone 
195521959 |10).9 1689 1929) 16.0r 1145, 15.0 16.416.6 104 18.0, 2026 1878, ‘20 a802eee 
1960-1964 |10.0 2071.) 12.6017: (0 16.7) 17091929 17.5 19.2 19.9 2077; “AO eee 
1965 10.5 1Os6 Wie a eo $19.8 16.5-.15:8 16,0 1729°16.8 17.9 16.7 doaeeeeee 
1966 10et LEP YS Te P1sel W.8 16.8 W893 Wah dee Leek 255 "20a 
1967 1066 17.67 1250 332013 .3 25.5 13.4 14.5 17. g AS (17.8 1566. 20 
1968 19.88 1.98 1B ACs sor U5 3° 568 1607 286 178 2068 20692126 “ZO 
1969 9.6) 1642))| 106° Los 116.3) 22.1 2623 tho 17 9 86 91823 1626 «“Abeoeeeee 
Mean 101.3: 1785 i Vind Tomb Ves: Poss; Wee 16.3 W778 te tees W8a5 Tome 
Maximum Wn Don Aa ea PE read br) (2D ix 21 33 (20 fe 2s (Bibi 25 35 (ane 
Mean Maxis! (21.75 19,2 3.7) Des 6 ie 72 BG 1765 «(620 ee 228 028 (22 eee 
Mean Min, O49 14.7 | 10.4 13.0 813.8 Wego te 61508 Bee6 1754 1720 “L6ae fore 
Minimum 6 70 7 eal 9 ya Ale ee, le HOR 115 Ley pele 2 eae, 
*Observations for the year are incomplete; extremes are for the months shown. 
