BAROMETRIC PRESSURE: 29.921 in. HG
PSYCHROMETRICCHARTNormal TemperatureI-P Units
SEA LEVEL
-10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130
DRY BULB TEMPERATURE - °F
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
0 5 10 15 20 25 30
35
40
45
50
55
55
60
60
EN
TH
AL
PY
- B
TU
PE
R P
OU
ND
OF
DR
Y A
IR
0
5
10
15
20
25
30
35
40
45
50
E NTH
A LPY -
B T U P
E R P
OUND O
F DRY A
IR
.1
.2
.3
.4
.5
.6
.7
.8
.9
1
1.1
1.2
1.3
VA
PO
R P
RE
SS
UR
E -
IN
CH
ES
OF
ME
RC
UR
Y
0
10
20
25
30
35
40
45
50
55
60
65
70
75
80
85
DE
W P
OIN
T T
EM
PE
RA
TU
RE
- °
F
Chart by: HANDS DOWN SOFTWARE, www.handsdownsoftware.com
15%
25%
2%
4 %
6 %
8 % R E L A T IV E H U M ID IT Y
1 0 % R E L A T I V E H U M I D I T Y2 0 %
3 0 %
4 0 %
5 0 %
6 0%
70%
80%
90%
05 10
1520
25
30
35
40
45
50
55
60
65
70
75
80
85 WET BULB TEM
PERATURE - °F
90
12.0
13.0
14.0
VO
LU
ME
- CU
.FT
. PE
R L
B. D
RY
AIR
15.0
HU
MID
ITY
RA
TIO
- G
RA
INS
OF
MO
IST
UR
E P
ER
PO
UN
D O
F D
RY
AIR
BAROMETRIC PRESSURE: 29.921 in. HG
PSYCHROMETRICCHARTNormal TemperatureI-P Units
SEA LEVEL
Chart by: HANDS DOWN SOFTWARE, www.handsdownsoftware.com
BAROMETRIC PRESSURE: 101.325 kPa
PSYCHROMETRICCHARTNormal TemperatureSI Units
SEA LEVEL
-20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50
DRY BULB TEMPERATURE - °C
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
-20-10
0 10 20 30 40 50
60
70
80
90
100
110
110
120
120
EN
TH
AL
PY
- K
J P
ER
KIL
OG
RA
M O
F D
RY
AIR
-10
0
10
20
30
40
50
60
70
80
90
100
E NT H
A LPY -
K J P E R
KIL
OG
RA M
OF D
RY A
IR
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
18.0
20.0
22.0
24.0
26.0
28.0
30.0
32.0
34.0
VA
PO
R P
RE
SS
UR
E -
MM
OF
ME
RC
UR
Y
-10
-5
0
5
10
15
20
25
30
DE
W P
OIN
T T
EM
PE
RA
TU
RE
- °
C
Chart by: HANDS DOWN SOFTWARE, www.handsdownsoftware.com
1 5 %
25%
2%
4 %
6 %
8 % R E L A T I V E H U M I D I T Y
1 0 % R E L A T I V E H U M I D I T Y
2 0 %
3 0 %
4 0 %
5 0 %
6 0%
70%
80%
90%
-15
-10
-5
5
10
15
20
25
30 WET BULB TEM
PERATURE - °C
0.7
4
0.7
6
0.7
8
0.8
0
0.8
2
0.8
4
0.8
6 V
OLU
ME
- CU
BIC
ME
TE
R P
ER
KG
DR
Y A
IR
0.8
8
0.9
0
0.9
2
0.9
4
HU
MID
ITY
RA
TIO
- G
RA
MS
MO
IST
UR
E P
ER
KIL
OG
RA
M D
RY
AIR
BAROMETRIC PRESSURE: 101.325 kPa
PSYCHROMETRICCHARTNormal TemperatureSI Units
SEA LEVEL
Chart by: HANDS DOWN SOFTWARE, www.handsdownsoftware.com
