TABLE 2 =< Cont'd.
Pennsylvania, Pittsburgh
Collection
1957
1958
Period
mo Sr70/m2
July 3
to
December 31
--~
Average 2
mo sr90/m
---
Cumalgsive
079 /mi.?
sr?
2.07 Z 0.21
--
0057 2 0-03 2.64 2 0.21|
77
January
0057
0057 *2 0203
0.03
February
0.29 + 0.02
12
March
O41
0.L2 2* 0.02
0.02 Oehl 2 0.02 3.36 ** 0.21
12
12
April
1.20 2 0.0
0987 2 O0L7 4.23 2050
15
95
May
0.76 2 0004
0.73 4 0.0 O79 2 0.0, 4.98 £ 0651
5
11
June
2.28 20.14 4 2 2 ol 7619 2 0052
1
0.54 2 0.5,
2015 t 0.12
-
July
August
September
October
November
December
*
.
Sr70
Valuss extrapolated to midpoint of collection period.
-13-
3
17
Precipitation
(inches)
--