Seawater Temperature and Salinity April 2009

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April 2009

Race Rocks Lightstation Time Zone P.S.T
Observer Lester B. Pearson College of the PacificDaily Seawater Temperature and Density Record Shore Station 
Month   April 2009
               
Date Time Sea
Temp.
°C		 Jar
Temp.
°C		 Hydro-  meter   No. Observer Density (1.02-) Reduced *Corrected *Salinity
1 4:26 7.5 7.5 10,802 1.0246 1.0235 1.0
2 4:59 7.5 7.5 10,802 1.0244 1.0233 1.0
3 5:42 8.0 7.6 10,802 1.0245 1.0234 1.0
4 6:59 8.0 7.8 10,802 1.0243 1.0232 1.0
5 10:30 8.0 7.8 10,802 1.0241 1.0230 1.0
6 1:18 8.0 7.6 10,802 1.0242 1.0231 1.0
7 1:10 8.0 7.7 10,802 1.0242 1.0231 1.0
8 14:15 8.2 8.1 10,802 1.0240 1.0229 1.0
9 15:36 8.5 8.4 10,802 1.0243 1.0232 1.0
10 18:30 8.2 8.1 10,802 1.0243 1.0232 1.0
11 19:55 8.2 8.0 10,802 1.0244 1.0233 1.0
12 3:15 8.0 7.8 10,802 1.0244 1.0233 1.0
13 3:17 8.0 8.0 10,802 1.0242 1.0231 1.0
14 2:49 8.0 7.7 10,802 1.0243 1.0232 1.0
15 0:43 8.2 8.0 10,802 1.0243 1.0232 1.0
16 0:50 8.2 8.1 10,802 1.0244 1.0233 1.0
17 0:59 8.5 8.2 10,802 1.0243 1.0232 1.0
18 1:06 8.5 8.1 10,802 1.0244 1.0233 1.0
19 0:56 8.2 8.2 10,802 1.0242 1.0231 1.0
20 0:55 8.5 8.5 10,802 1.0243 1.0232 1.0
21 0:40 8.2 8.3 10,802 1.0244 1.0233 1.0
22 13:48 9.0 8.7 10,802 1.0243 1.0233 1.0
23 14:39 8.5 8.7 10,802 1.0245 1.0234 1.0
24 15:46 10.2 9.4 10,802 1.0242 1.0232 1.0
25 18:37 8.5 8.6 10,802 1.0242 1.0232 1.0
26 1:49 9.0 8.8 10,802 1.0243 1.0233 1.0
27 2:04 8.5 8.5 10,802 1.0244 1.0234 1.0
28 2:29 8.5 8.6 10,802 1.0243 1.0233 1.0
29 2:58 9.0 8.7 10,802 1.0244 1.0234 1.0
30 3:34 9.0 8.6 10,802 1.0242 1.0232 1.0
31       10,802     1.0
Mean* * 8.4 8.3 * 1.0243 1.0232 1.0 * *
  Recorded by Race Rocks Marine Protected Area Guardians,
Adam Harding & Ryan Murphy, Lester B. Pearson College of the Pacific
* These calculations will be done later at D.F.O. office.