12 
DIURNAL OSCILLATIONS, 
TABLE No. 1—Continued. 
CAMP 31.—SAN FRANCISQUITO. 
Date. 
7 A. M. 
8 a.m. 
9 A. M. 
10 A. M. 
11 A. M. 
12 m. 
1 P. M. 
2 P. M. 
3 P. M. 
4 P. M. 
5 p.m. 
March 5. 
28.974 
29.006 
28.987 
28.980 
28.962 
28.941 
28.934 
28.922 
28.929 
28.929 
28.929 
6. 
29 015 
29.018 
29.027 
29.014 
29.006 
29.001 
28.978 
28.973 
28.971 
28.970 
28.975 
7. 
29.074 
29.058 
29.074 
29.064 
29.053 
29.039 
29.021 
29.003 
28.995 
28.989 
28.998 
Mean. 
29.021 
29.027 
29.029 
29.019 
29.007 
28.994 
28.977 
28.966 
28.965 
28.963 
28.967 
+ 
— 
CAMP 41.—NEAR SAN BERNARDINO. 
April 10. 
*28.930 
*28 932 
28.935 
28.938 
28.933 
28.932 
28:901 
28.889 
*28.875 
28.859 
28.865 
11. 
28.966 
28.980 
28.998 
29.006 
28.996 
28.994 
28.993 
28.983 
28.983 
*28.984 
28.986 
12. 
29.079 
29.075 
29.089 
29.090 
29.086 
29.075 
29.071 
29.049 
29.055 
29.057 
29.064 
14. 
29.127 
29.127 
29.123 
29.119 
29.113 
29.106 
29.080 
29.073 
29.059 
29.053 
29.043 
Mean. 
29.025 
29.028 
29.036 
29.038 
29.032 
29.027 
29.011 
28.998 
28.993 
28.988 
28.989 
+ 
— 
CAMP 42.—JARUPA. 
April 20.. a. 
29.254 
29.255 
29.255 
29.240 
29.232 
29.222 
29.215 
29.202 
29.176 
29.176 
29.169 
Mean.... 
29.254 
29.255 
-t 
29.255 
29.240 
29.232 
29.222 
29.215 
29.202 
29.176 
29.176 
29.169 
j General mean .... 
29.182 
29.184 
29.194 
+ 
29.192 
29.182 
29.160 
29.137 
29.128 
29.121 
29.119 
29.127 
Note.— Those observations marked with an * are interpolations, obtained by plotting the curve, and connecting it where the observations are 
wanting, &c. Those marked thus f are very slightly changed to correspond with the even hours. 
Mean of extremes: 29.156. 
Correction for 7 a. m. —.026 
8 a. m. -.028 
9 a. m.—.038 
10 a. m.—.036 
11a.m...... —.026 
12 m.—.004 
Correction for 1 p. m. + .019 
2 p. m. + .028 
3 p. m. +.035 
4 p. m.. +.037 
5 p. m. +.029 
} For construction of tills curve, see Plated, fig. 1. 
