20/1/22 22:45
2017 ASHRAE Handbook - Foundamentals (SI)
GUADALAJARA INTL, MEXICO (WMO: 766133)
Lat:20.522N Long:103.311W
Elev:1529
StdP: 84.26
Time zone:-6.00
Period:90-14 WBAN:99999
Annual Heating and Humidification Design Conditions
Humidification DP/MCDB and HR
Coldest month WS/MCDB MCWS/PCWD
Coldest Heating DB
to 99.6% DB
99.6%
99%
0.4%
1%
Month
99.6% 99%
DP
HR MCDB DP
HR MCDB WS MCDB WS MCDB MCWS PCWD
12
1.9
3.1
-8.1
2.3
18.0
-6.1
2.7
18.7
9.9
21.1
8.3
22.5
0.2
210
Annual Cooling, Dehumidification, and Enthalpy Design Conditions
Hottest
Cooling DB/MCWB
Evaporation WB/MCDB
MCWS/PCWD
Hottest Month
to 0.4% DB
0.4%
1%
2%
0.4%
1%
2%
Month DB
DB
MCWB DB MCWB DB MCWB WB MCDB WB MCDB WB MCDB MCWS PCWD
Range
5
17.7
33.2
15.8
32.2
15.4
31.2
15.0
20.1
26.8
19.7
26.1
19.3
25.5
4.7
270
DP
Dehumidification DP/MCDB and HR
0.4%
1%
HR MCDB
DP
HR MCDB DP
Enthalpy/MCDB
Extreme
2%
0.4%
1%
2%
Max
HR MCDB Enth MCDB Enth MCDB Enth MCDB WB
18.1
15.8
14.8
22.2
17.9
15.5
22.0
17.2
21.5
65.3
26.6
63.4
26.1
62.0
25.9
24.0
Extreme Annual Design Conditions
Extreme Annual
Temperature
Standard
Mean
deviation
Min Max Min Max
Min
-0.6
-2.5
35.2
21.5
1.7
1.7
1.4
1.1
Monthly Climatic Design Conditions
Annual Jan
DBAvg
19.3 14.8
DBStd
3.26 1.78
1
0
Temperatures, HDD10.0
111
Degree-Days HDD18.3 352
and Degree- CDD10.0 3412
148
Hours
CDD18.3 721
0
CDH23.3 8357
174
CDH26.7 2603
8
Feb
16.5
1.91
0
54
183
3
432
73
Mar
18.5
1.79
0
21
262
24
948
290
Extreme Annual WS
1%
2.5%
5%
9.8
8.0
6.3
Wind
WSAvg
PrecAvg
PrecMax
Precipitation
PrecMin
PrecStd
Monthly
Design Dry
Bulb and
Mean
Coincident
Wet Bulb
Temperatures
0.4%
2%
5%
10%
DB
WB
n-Year Return Period Values of Extreme Temperature
n=5 years
n=10 years
n=20 years
n=50 years
Max
Min
Max
Min
Max
Min
Max
-1.8
-3.8
36.2
22.3
-2.8
-4.8
37.0
22.9
-3.8
-5.7
37.7
23.5
-5.0
-7.0
38.7
24.3
Apr
20.8
1.77
0
2
324
77
1554
678
May
23.0
1.54
0
0
402
144
1925
900
Jun
23.2
1.56
0
0
395
145
1184
451
Jul
21.4
1.01
0
0
354
96
447
49
Aug
21.3
0.98
0
0
351
93
420
37
Sep
21.0
1.11
0
1
331
81
361
28
Oct
19.7
1.90
0
9
299
51
423
52
Nov
16.8
2.06
0
53
204
8
298
26
Dec
15.1
1.85
1
101
158
0
190
11
1.8
1.3
1.7
2.2
2.6
2.7
2.3
1.6
1.4
1.5
1.3
1.2
1.2
840
1198
573
135
17
245
0
43
9
78
0
17
3
44
0
8
3
62
0
11
20
69
0
19
162
311
48
70
226
389
124
56
190
276
77
51
145
291
63
51
46
125
0
29
11
72
0
15
8
58
0
13
DB
MCWB
DB
MCWB
DB
MCWB
DB
MCWB
27.3
13.2
26.2
13.0
25.2
12.8
24.0
12.2
29.9
14.0
28.2
13.4
27.2
13.1
26.2
12.8
32.1
14.4
30.9
13.9
29.2
13.4
28.2
13.1
34.0
15.0
32.9
14.7
31.9
14.4
30.9
14.1
34.9
16.6
33.2
15.8
32.8
15.7
31.8
15.3
34.2
17.0
32.9
16.8
31.2
17.2
29.1
17.7
29.1
18.5
28.0
18.6
27.0
18.5
26.0
18.4
28.8
18.9
27.8
18.9
26.9
18.8
26.0
18.6
28.8
19.3
27.2
18.5
26.8
18.4
25.9
18.3
29.2
17.6
28.0
17.3
27.0
17.2
26.0
17.0
28.8
17.0
27.2
15.7
26.2
15.1
25.2
14.8
28.0
14.6
26.8
14.1
25.8
13.7
24.1
13.0
1/2
20/1/22 22:45
Monthly
Design Wet
Bulb and
Mean
Coincident
Dry Bulb
Temperatures
0.4%
2%
5%
10%
WB
MCDB
WB
MCDB
WB
MCDB
WB
MCDB
MDBR
Mean Daily 5% DB MCDBR
Temperature
MCWBR
Range
MCDBR
5% WB
MCWBR
Clear Sky
Solar
Irradiance
taub
taud
Ebn,noon
Edn,noon
All-Sky Solar
Radiation
RadAvg
RadStd
15.6
24.1
14.7
23.6
14.0
22.7
13.2
21.7
16.2
26.2
15.2
25.3
14.4
24.8
13.5
24.0
16.7
28.7
15.5
27.5
14.6
26.9
13.8
26.2
17.2
29.6
16.2
28.8
15.4
28.5
14.7
28.2
19.9
29.8
18.5
28.6
17.7
27.4
16.9
26.5
20.7
27.8
19.9
27.3
19.4
26.5
18.8
25.5
20.3
26.6
19.7
25.8
19.3
25.1
18.8
24.3
20.6
26.7
19.9
26.0
19.5
25.2
19.0
24.4
20.4
26.5
19.7
25.6
19.3
24.9
18.9
24.1
20.0
26.9
19.1
25.5
18.5
24.5
18.0
23.7
18.6
26.6
17.6
25.1
16.7
23.9
15.8
22.6
17.1
25.2
15.8
24.0
14.8
23.1
13.9
22.5
18.9
21.5
10.2
17.7
9.0
19.8
21.6
9.4
18.8
8.8
20.6
21.8
9.0
19.7
8.6
20.1
21.3
8.2
19.2
8.0
17.7
19.3
6.9
16.0
6.1
12.5
16.1
5.2
12.0
4.5
10.1
11.5
4.5
10.3
4.6
10.2
11.5
4.8
10.4
4.7
10.3
11.7
4.8
10.3
4.8
13.6
14.8
6.3
12.4
6.3
17.9
18.9
8.9
16.1
8.9
19.2
20.9
10.1
18.5
10.1
0.306 0.318 0.305 0.339
2.513 2.473 2.497 2.367
975 980 1002 962
97
108 109 126
0.416 0.422 0.413 0.408 0.395 0.354
2.237 2.263 2.308 2.306 2.366 2.464
881
868
876
885
898
929
142
138
132
132
123
107
0.313
2.547
961
94
0.312
2.534
957
93
4.75
0.36
7.07
0.30
5.77
0.50
6.88
0.21
7.44
0.19
6.43
0.35
5.96
0.37
CDDn
Cooling degree-days base n°C, °C-day Lat
Latitude, °
Period
CDHn
Cooling degree-hours base n°C, °Chour
Long
Longitude, °
Sd
DB
Dry bulb temperature, °C
MCDB
DP
Dew point temperature, °C
Ebn,noon
Edh,noon
Clear sky beam normal and diffuse
horizontal irradiances at solar noon,
W/m2
Mean coincident
dry bulb
temperature, °C
Mean coincident
MCDBR dry bulb temp.
range, °C
Mean coincident
MCDP dew point
temperature, °C
Mean coincident
MCWB wet bulb
temperature, °C
Mean coincident
MCWBR wet bulb temp.
range, °C
Mean coincident
MCWS
wind speed, m/s
Elev
Elevation, m
Enth
Enthalpy, kJ/kg
HDDn
Heating degree-days base n°C, °C-day MDBR
Mean dry bulb
temp. range, °C
PCWD
Prevailing coincident wind direction,
WS
°,0 = North, 90 = East
Wind speed, m/s
5.98 5.42 5.45
5.12
4.62
0.33 0.40 0.34
0.33
0.25
Years used to calculate the design
conditions
Standard deviation of daily average
temperature, °C
StdP
Standard pressure at station
elevation, kPa
taub
Clear sky optical depth for beam
irradiance
taud
Clear sky optical depth for diffuse
irradiance
Tavg
Average temperature, °C
Time
Zone
Hours ahead or behind UTC
WB
Wet bulb temperature, °C
Hours 8/4 Number of hours between 8 a.m.
&
and 4 p.m with DB between 12.8
12.8/20.6 and 20.6 °C
Humidity ratio, g of moisture per kg
HR
of dry air
2/2