.1| 4.4| 5.9| 2.6 |
|Puget's S'd, Ore. |47 deg. 07'|11.8| 3.9| 4.7| 4.1| 0.8| 0.6 |
|Sitka, Russ. Am. |57 deg. 3'| 2.5| 9.6| 3.5| 3.3| 1.9| 5.9 |
+-----------------------------------------------------------

---------------------------------------+
|July.|Aug.|Sept.|Oct.| Nov.|Dec.|Year.|
|-----|----|-----|----|-----|----|-----|
| 0.0 | 0.2| 0.0 | 0.1| 1.5 | 3.4| 9.6|
| 0.0 | 0.0| 0.4 | 0.6| 3.0 | 5.5| 18.8|
| 0.0 | 0.0| 0.3 | 0.1| 3.5 | 4.6| 21.9|
| 0.0 | 2.3| 1.9 | 6.7|13.2 | 6.2| 87.2|
| 0.5 | 1.3| 1.6 | 3.6| 5.9 | 6.1| 44.8|
| 3.7 |10.1|14.8 |12.7| 7.4 | 4.2| 79.5|
---------------------------------------+

The figures are for inches and tenths of an inch of rain.

Thus, it will be seen that in January, when the southern line is at San
Diego, at the south line of California, the focus of precipitation is over
Oregon; and that in August and September when the southern line is carried
up and over Oregon, the focus has traveled north to Sitka, and that it is
always at least 10 deg. north of the southern line of the belt upon that
coast. The increased quantities of rain which fall at the focus of
precipitation there, from Oregon up, are doubtless much enhanced by the
equatorial oceanic current which flows over opposite that part of the
continent. A like effect, precisely, is produced in Europe. The quantity
of rain which falls at Bergen, in Norway, being 87-61/100 inches per year,
more than three times the average for that continent.

The difference shown in the foregoing table, between Astoria and Puget's
Sound, is owing to the fact that the latter lies in the interior and
within the coast range of mountains, while Astoria is situated at the
mouth of the Columbia River, with an open view of the ocean.

A like comparative increase of precipitation in northern latitudes, in
summer, is found every where varying according to the local influences
which operate in the particular case. Thus,

------------------------------------------------------------------------
There falls in |Winter.|Spring.|Summer.|Aut'mn.| Year.
---------------------------------|-------|-------|-------|-------|------
Burlington, Vt., lat. 44 deg. 20' | 5.7 | 7.3 | 11.4 | 9.8 | 33.9