[Vor. 4 
196 ANNALS OF THE MISSOURI BOTANICAL GARDEN j 
monthly meteorological summaries for St. Louis. Although 
these values are not absolute as regards weather conditions 
on the plot, they are sufficiently accurate to indicate the cli- 
matic differences during these time periods. 
TABLE I 
METEOROLOGICAL SUMMARY FOR JULY, 1916 
TEMPERATURE 
Degrees Fahrenheit) жаларын инле 
я 
» р ‚© к [7] 
в | 5 55 3 CHARAC- 
5 = Б.В © чш 
DAY & Во Bo "АЕ ‚а © ТЕВ ОЕ 
о 8% | ee |9е % 9, DAY 
Sai әнді ова |. ы = 
"^g SE] ОВ | 258 |652) 8 H2 
| о 81 ФЕТ Sea] ЗЕ 19:33 9% 
Ilg] ac] 45% | 89 | ЗЕЗ Е 96 
.50 © o vg о Qr Ф Bes 6.5, 3 5 с. 
ра ра e 4% = Z 2 
1194 | 78 | 86 | + 8 65 53 .00 13.0 87 Clear 
2196 | 78 |87 | +9 6 46 .00 14. 100 | Clear 
31941721: +: 64 65 ‚04 9. 66 | Pt. cloudy 
4 | 86 | 69 0 76 52 ‚00 13.0 88 | Clear 
5 | 86 | 70 0 57 4 ‚00 4. 100 | Clear 
6 | 87 | 69 0 58 4 A 4, 100 | Clear 
rises 7 )| + 67 : A 4. 95 | Clear 
8 | 91 | 76 | 84 | +! 73 40 A 4.* 98 | Clear 
9 wE: 18 | — 79 50 .( 4. 99 Clear 
0 66 | 77 | — 4 74 4 . OC 14.8 100 | Clear 
7 2| + 68 4 ‚00 14.7 100 | Clear 
| 21+: ¢ 70 34 5.8 39 | Pt. cloudy 
х 12 + : 86 48 00 14.7 100 | Clear 
4 17 + : 73 67 00 9.9 67 | Clear 
} 4 | 77 d 79 44 ) 14. 98 | Clear 
6 | 97 30 + 9 62 59 11. 76 lear 
17 26 | 79 +9 | 4 ‚00 б. 47 | Pt. cloudy 
18 | 94 | 76 + 6 18 T. 8.4 58 |Pt. cloudy 
9194 | 70 +: 78 4 .81 US 3 |Pt. clou 
0 )2 14. 3 | + 4 3 68 ‚00 12.4 б С1еаг 
0 | 7 + 2 / 4 ‚00 12.2 6 | Clear 
20 | 74 ++ ) 3! ‚00 14.5 100 | Clear 
24 + ‹ 4 48 ‚00 4.( 7 | Clear 
) ) + | 5 .00 4.4 100 | Clear 
)7 3 |+ ( 44 T. 1-1 77 Clear 
› | 98 + ( 45 ‚00 2.5 37 | Clear 
)7 | € )|4-€« ( 4 .00 4. 99 | Clear 
3 8 ) 18 ( 52 .00 4.: 100 | Clear 
) 26 | 80 3514-8 1 44 .00 4.3 100 | Clear 
30 | 99 >} 90 | +11 | 46 ‚00 11.4 8 Pt. cloudy 
1 | 99 ) | 89 | +10 74 67 чи 2; 85 | Pt. cloudy 
It is of course impossible to say whether this phenomenon 
should be attributed entirely to temperature relations or 
whether it was also determined, in part at least, by water re- 
lations. Many writers have reported that moisture seems to 
