20 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 75 °C 715 °C Os °C 15 °C M15 °C O15 
RIO VISTA, SACRAMENTO 
1938-1940 a el Je 9,3 210) "E23. 1 S0.07 885.2 120.7” 617. Ob=04.7 820... 1 sO ON aah ee 
Mean 2) Ob east 6) 9.3 "10 122120 7 120.7 LP 6 E07 20). 0 E08 Ce ee 
Maximum eat =) <7 | eZ =O wo OFOmeUS =O. 2 pont BG Ls 23 0. Ieee is 
Mean Max, QP 2088 ) £10 sou. W502 023. 17.8" 40.4. 20.2 20.4 21754012 eee cee 
Mean Min, ieee meal ot Sis ak weil (0) 9, B8=t.Orr ieee HT 0 15 20eEl. 2° Bs Saat aoe ORS 
Minimum 6 ah 2 7 =A, 40 9 So omelet Sed AS see 7 1 2 Faas =O 
NEW HOPE BRIDGE, 
1938-1940 8.8 -0.7 9.4 <077 1108) S026 994.1 =0.4°°15.8 -O.4° 918.7 OL 20 eZee 
Mean 8.8 -0.7 9.4 -0.7 algales. (3) -0.6 14.1 -0.4 Sys: -0.4 SE 7. OZ 20.9 -0.1 
Maximum eZ =) SS els =o) Grangaus =(0) 555) eels OOre23 Oo? et 12°28 0.6 
Mean Nax.»| tte le=055, 10.8 206) (15..07=053, 15.9 -0.2. 18.9 °0.2- 22. 1) 2-0 Pee 
Mean Min, Gsi7 .=0n.0 8." <0.49 B.9°=0,.0 °12.1°=0.8 9139.9 =0.7 15.0) =0i, 5-5 oremeenG 
Minimum 6 =On9 7 = 156 8 =O) TAO) =O) GOs) =O eS =0). Giaeeo 5 
BLUNTS REEF 
TO23EL9 24a MOOS CoE "LOL O. 24/56 8.7 25.0 9.2) 2829 9,2 25.0. ° “9.9 25.50) Vite 
MOE = LOZOM MONS, Coe NOLS, Cres NO 2 5 Sloman: | O.. 3) 24s 9.59! 125,10) = On Omen 
UO BH 1 934 al Or ee rm LOT8 2425) WOn6 24.5. dose 24s * 10.8 268." sv0".6" 251 1” cing ieee 
1935-1939 $21,1°2455 ° 10.8 24357 ° 410.7 24.3°" 10.2 24.5 ° 40.4 24.8 | 10.7) 25.0) eee 
TOLO AGUA WTS 0 2-3 13962 Bali ae Bb.3 Th aaa 6 1.7 2829 “ado: 24.9" eae 
1955 Be ye Sen Pgugees hea oe eg eee be oom. nese ae nn 
1957-1959 }11.2 24.5 10.9°24.4 10.7 24.3 10.2 24.4 10.1 24.7 10.9 24.7 10.1 24.9 
TOGO 9G 110.7 249° 10.6 °2R45: 40.1 24.5 ° ~9.8°24.5 10.4 24.7! OF 25. 1 PaO een 
1965 11.1 2367 99.1 2457 to.0 24.5 10.3 24:3 9.0 25.2 GeeR25R2" domo 
1966 eS. Oe? OO BMAD WO. 25. 9 9.6 24.6 9,1 25,2 9.9: (2522 lO wee = 
1967 Se EE 10.3 28.5) die a2. 9.7 2g” oa ay. ek ice 
1968 WOco 2a Wd de eka. “ie e ek. 5 | hoe es. 1 979 ‘25.1 11 69 24. 8 Sto Pee 
1969 11.0 -- == a MOY? HO) ee ere == = a= 12.3 24 5) Sageeeore 
Mean 1024.5 10.8 24.8 - 10.4 26.4 10.1 2.5 10.2 2456 210.3 25.0) elem ee 
Maximum ie Dees. WS Bethe gtlh. Beh! Gh) peo 15 96.0. 16'.° 26¢0 OARPeaes 
Mean Max, |12.1 28.9 11.8 24:9 .411.6 24.9 41.4 25.0 11,9 25.2. -22.1 2542 eee ee 
Mean Min. | 10.0 23.8 9.8 23.8 Oe 23156 8.9 23.6 Sa9e2 ae 9.0 24.6 8.9 24.8 
Minimum Be.) uedted (a Boe o O18 8 6 620.7 2 > \2320RI7 IZ. t Ve 
CRESCENT CITY, 
1934 10.8 A992) 1.2 22.2. 42.5 24.7 (42.3.23.0 15.5 22.9 2.1 As ee 
1935-1939 Sitey Zh eal 8.7 eOle. 3 8.9 20.0 947. 20.6" .1054.22,8) 11.2 22.6" eee 
igho owl |10.3 2024 160.6 20.3° 10.8 21.2°° 11.5 21.8" 1179" 22120 12. 8°22 on eee 
lous woW7 | 10.1 22.1 - 9.9 22.4) .10.1 22:5 WO.4 23,1. £2¢2.2255) 19.2.2 0a ee 
1950-1954 9, 9820.0: MOS? IGG n1Oni n22.2: 4tOe8b 22.8 11, 262220 w12,0.22.8) oleae 
LOGS a1959-| 19,6) 20.4: 9.9 20.8 ° 10.4 20.67 "10.9 20.6 12012928" 136° 2327" tae 
1960-19064" 9,5 22<9°-10.6/21.% - 10.2 21,1: 41,.4°28.2 -12.6 21253 “Feu6r 23 R46 ieee 
1965 FIP616 28-6 9s0n28.6 §.9F9R22.9-n10e7521.2 on 106 3e23e8 e116 n23 0 tenon 
1966 9561927 9,8 22.4. .-978 .20.2*-10,4-22.4°. 10.6°2319' 122.7 -23.9 1125 eee 
1967 9,39. 28.6 ~9,8)22.1° ~9.6 21.0 11,0 20.9* 11.6) Stee ee ee eee 
1968 8.7.2253 10:5.49.5 411,621.89 9.2/2.7 12,1923,5 12.624) 5° eee 
1969 B,.0%16,60." 8292206, C1OtE22-8 nithite22 © <i Oe et 2-5 196262255 = a 
* Observations for the year are incomplete; extremes are for the months shown. 
