NORTH PACIFIC PLANNING PROJECT

VARIABILITY OF PRECIPITATION

Note “A: Number of years when this period had precipitation between
limits indicated (class-interval=10% of average). Most common

class 10% to 20% below average. A few years at 40% to 60% above
pull the average up. Other precipitation charts may be read similarly.

ATLIN DAWSON FORT SIMPSON

Ie See Note ‘A’ = = 10
ges Average precipitation from = Average precipitation from Average precipitation from
= April 1 to Sept. 30, April 1 to Sept. 30, April | to Sept. 30, =S 2
= P 4.84. inches 7.41 inches 7.71 inches ai
= oz _— —
ro) g 5
oe
4 — as = ta
a) —45
2 =
> >
O- = - —0
»
ee ee ee
See Safe ie a Se Caer NSE le tN NS Ae Bo § 8 gg 5 2 a8 28 Bese Oeeese  Q a 8 F8
: i Ao Ps ae ape Se cn eis 6 ! ! I 1 be Sea Gone el tine oa sly ' ! ! ' ee Caer ete St Ste
0S = = —0
t De — _ =H 2
ud a
eg ao = —47
re
°o fo)
a
Li 6 — = = —6
a
= Average annual precipitation, =
Zg— Average annual precipitation, = a 33.10 inches —38z
11.14 inches
10— __ Average annual precipitation, 12.58 inches os —10
6 BEAVERLODGE NEW HAZELTON FORT GOOD HOPE PRINCE RUPERT “F
= Average precipitation from
3 April 1 to Sept. 30,
ns Average precipitation from pas Average precipitation from = Average precipitation from _ 33.10 inches —8 un
< April 1 to Sept. 30, April 1 to Sept. 30, April 1 to. Sept. 30, &
> 6 10.86 inches ee 8.88 inches are ; 7.71 inches = —6 >
ae ve
fo) oO
joa
fi fe — — - —4u
iva) a
S =
5 =)
Ze) = = = Z2ne
O- = — _ —0
© -
Be BL BC WE WH F HK W RH RR KW KR KR KK FH KC HK RRM RNR KK KKK F RRR MRR RK KK GF KCK KR KR
OR OO B SOR OG Or 50079. 8 RO OSB OOF gt OOO GeO Sal Se Se Sick Oe Rae BR 8 Be SO Ne oat oN aes
{ ' 1 \ ! ho AP SP = Gr tes ear | | ! Sa St ee ee et ! ' 1 | pS Se Se Pe Oe cht geen | \ | Ue oe ore ete a tert
o— = _ —0
n 2— = 7 = oe
ao
< a
ui >
Sik as — — —4
Le 4 Le
5 Average annual —
me Sai = precipitation, ~ —6 fi
WO = wes iets ; a
a Average annual precipitation, Average annual precipitation, 93.34 inches S
= inch 18.66 inch A «tabi . =
=, 18.06 inches : inches verage annual precipitation, 11.33 inches g2
Zzsg— — — — =
10= = = 7 = ae

VARIABILITY OF TEMPERATURE

DAWSON EDMONTON
24 —
The colder Januarys at Edmonton correspond generally to the
milder Januarys at Dawson. 22 —

The variation in July in the far north is of about the same order 20 —
as at Edmonton but the scale is lower so that the coldest Julys
are more severe in the Yukon. 18 —

Average
temperature
+61.6°F, —18
Average temperature
+59.6 F.

|
—
Oo”

DAWSON EDMONTON

Average temperature + 5.9 F

fa
Ss
|
is
>
|
|
pany
ws

|
|
a

Average temperature —21 0° F

e e
oO ie)
| |
NUMBER OF JULYS
iS)
|
|
i)
NUMBER OF JULYS

NUMBER OF JANUARYS
fo)
|
NUMBER OF JANUARYS

Lithographed and printed by the Geographical

| Information supplied by the Meteorological Service, Section G.S., Department of National Defence.

| Department of Transport. = Y
| Cartography by the Drafting and Reproducing Division, ME E > | ] OROLOG

| Bureau of Geology and Topography, Mines and Geology
Branch, Department of Mines and Resources, 1947.