640 
LIEUT.-GENERAL R. STRACHEY ON HARMONIC ANALY'SIS OF 
Table B. — Values of the Amplitude P, and the Apparent Time of the Fmst 
Maximum p, for the First Four Orders of Harmonic Components of the Diurnal 
Inequality of Temperature at Greenwich for each Month of the Year, for Five- 
Yearly Periods between 1849 and 1868. 
i 
1 Five- 
. yearly 
periods. 
Jannary. 
d 
ksH 
April. 
>> 
Cv 
June. 
July. 
be 
d 
September. 
October. 
C 
5 
o 
5 
o 
o 
o 
Year. 
1st . . 
1-90 
3-25 
4-94 
O-80 
6-97 
7'76 
7-39 
6-85 
6-20 
3-94 
2-74 
1-44 
4-93 
‘2nd 
2-00 
3^50 
5-05 
719 
7-25 
8-13 
7-43 
7-76 
6-98 
4-28 
•2-61 
1-74 
5-33 
3rd . . 
1-99 
317 
4-42 
6-05 
7-24 
6-55 
7-62 
6’75 
5-82 
3-93 
2-89 
1-79 
4-86 
Pi 
4th 
1-71 
2-71 
4-27 
6-94 
7 74 
8-40 
8-57 
7-30 
6-74 
4*47 
2-97 
1-62 
5-29 
]\Lean . 
1-9U 
3-16 
4-67 
6-50 
7^30 
7-71 
7-75 
7-17 
646 
4-16 
2-80 
1-65 
5-10 
1st 
•97 
1-20 
1-40 
1-04 
•66 
•64 
•72 
105 
1-57 
1-50 
1-09 
•78 
1-05 
2nd . . 
1-00 
1-33 
1-43 
1-45 
■75 
•63 
•63 
1-32 
2‘01 
1-59 
1-15 
•81 
1-18 
3rd . . 
1-00 
1-32 
1-2G 
1-07 
•82 
•49 
•57 
•98 
1-36 
1-43 
1-22 
•77 
1-03 
P. 
4th 
•80 
1-18 
1-27 
1 27 
•59 
■47 
■72 
1-07 
1-83 
1-66 
1-22 
•69 
1-06 1 
Mean . 
•94 
1-26 
1-34 
1-21 
•71 
*56 
‘66 
111 
1-71 
1-54 
1-17 
•76 
1-08 
1st 
•40 
•28 
•16 
•49 
•65 
•73 
•64 
•56 
•27 
•23 
•40 
•28 
•43 
2nd . . 
•34 
•31 
•22 
•49 
•63 
•58 
•62 
•52 
•37 
•35 
•38 
•35 
•43 
3rd . . 
•34 
•28. 
•14 
•47 
•48 
•43 
•61 
•46 
•30 
•23 
•40 
•36 
•38 
P:i 
4th . . 
•35 
•32 
•19 
*4o 
•77 
•69 
72 
•67 
•23 
•35 
•43 
•33 
•46 
]\lean . 
•36 
■30 
•18 
.•48 
•63 
•61 
•65 
*55 
•29 
•29 
•40 
*33 
•42 
1st 
•09 
•12 
•27 
■18 
•08 
•15 
•18 
•20 
•34 
•14 
•07 
■10 
•16 
2nd . . 
•08 
•11 
■27 
•24 
.•14 
•24 
•15 
•15 
•36 
•15 
•06 
•08 
•17 
3rd . . 
•11 
•08 
■18 
•19 
•12 
•17 
•19 
■15 
■32 
•16 
•05 
•10 
•16 
Pi 
4th 
•09 
•11 
•19 
•19 
•13 
•29 
•17 
•19 
•33 
•23 
•11 
•09 
•18 ; 
Mean . 
•09 
•11 
■23 
-20 
•12 
•21 
•17 
■17 
•34 
■17 
•07 
•09 
1 
•16 
