On the Prediction Tables for the Tides of the U.S, Coast. 15 
. Comparison of observed and predicted times of high water, Boston, Mass, 
ick’ ie Time of high water. Tae Fs ad 
Predicted. | Observed. M. M. 
P m, h, m 
Bs le 8 8 47 8 3 —17 
‘ - - - 21] 20 329 20 32 + 09 — 1S 
q : Ses a RET 280 11 21 - 70 
‘ Pager shes Sgt BB 49-8 23 48 —18 —4:4 
. aise! ta S 2 21-7 2 20 —17 
nc ss. = WO) Tf) SOs 14 | 42 — 33 — 25 
April ee ee ee 16°9 6 | 21 4 
af © if Ae 8 515 18 59 5 58 
: Pros elt thao 19°8 10 18 —18 
taut ee. SL 402 22 36 - 42 — 30 
June wr iGe. 3 EO 184 | 11 18 -04 
: ae ee ke 44-7 23 4 43 2-0 
: + ie a > GE 2 845 2 39 4 
‘ see 4s 96. Ae 2:3 15 3 0-7 26 
% ee eer: we 57-7 6 " 3 
- = + 99} 18 243 18 37 12-7 11-0 
July een fe oe 9 | 831 3 
4 oF ee ae Oe 522 21 53 08 2-2 
- - ea i ol 0 3 2 
ane eee SER EG 10°38 12 12 17 23 
September cael gd 4B 4 7 
2 ec a.) o1 » 7264.16 24°8 16 24 
; i Ray eee . 39°7 4 ¢ 
| he ee 0 116 20 
| ete so a hei BAS BESTA fe 
% hike ike = + a Be 311 23 30 
a Soe ae ] er 44°7 1 
* eT ee 71 14 7 
‘ Piee IDEs 24°5 5 19 
oie lie IO 57:8 17 58 
December =. gi] 3 | 72 | 8 | °9 
ee ig eee ee 28-4 15 30 
“s He Ok aS 32°6 6 31 
ss Gms) soap a: JD O71 18 52 
‘ A tae eee 0 22-4 10 26 
J ss Se eT ee 533 22 42 
PY ee BOE bP Ao Se 1 2 
s Bie Fao ea 3e 560 13 41 
S Sard ees Mek ll 45°8 4 53 
SM Sa i i 339 17 30 
Final m 
Probable ¢ atl minutes, 4 ee s. is > 412 
Number of differences 2 minutes 
N umber of sent in ana a an & 
“ a : 2: aD “ s - 
Hint 
