Design Criteria Data

BUFFALO
NY
Latitude = 42.93 N
Longitude = 78.73 W
Period of Record = 1973 to 1996
WMO No. 725280
Elevation = 705 feet
Average Pressure = 29.23 inches Hg
Design Criteria Data
Dry Bulb Temperature (T)
Median of Extreme Highs
0.4% Occurrence
1.0% Occurrence
2.0% Occurrence
Mean Daily Range
97.5% Occurrence
99.0% Occurrence
99.6% Occurrence
Median of Extreme Lows
Wet Bulb Temperature (Twb)
Median of Extreme Highs
0.4% Occurrence
1.0% Occurrence
2.0% Occurrence
Humidity Ratio (HR)
Median of Extreme Highs
0.4% Occurrence
1.0% Occurrence
2.0% Occurrence
Air Conditioning/
Humid Area Criteria
Mean Coincident (Average) Values
Wet Bulb
Humidity
Wind
Temperature
Ratio
Speed
(gr/lb)
(mph)
(oF)
72
93
13.1
70
90
12.8
70
88
12.6
69
86
12.4
9
7
12.3
5
6
12.2
2
5
12.0
-7
3
9.5
Mean Coincident (Average) Values
Dry Bulb
Humidity
Wind
Design
Temperature
Ratio
Speed
Value
(gr/lb)
(mph)
(oF)
(oF)
77
85
126
13.3
74
81
116
13.3
72
79
108
12.3
71
78
104
11.8
Mean Coincident (Average) Values
Dry Bulb
Vapor
Wind
Design
Temperature
Pressure
Speed
Value
(in. Hg)
(mph)
(oF)
(gr/lb)
135
83
0.88
12.4
120
80
0.79
11.2
113
77
0.74
12.3
107
73
0.69
12.1
T > 93oF
T > 80oF
Twb > 73oF
# of Hours
2
290
87
Design
Value
(oF)
90
86
84
82
16
10
6
2
-7
Prevailing
Direction
(NSEW)
WSW
WSW
WSW
WSW
W
W
W
SE
Prevailing
Direction
(NSEW)
WSW
WSW
WSW
SW
Prevailing
Direction
(NSEW)
WSW
WSW
SW
SW
Twb > 67oF
713
Other Site Data
Rain Rate
Basic Wind Speed
Ventilation Cooling Load Index
Weather
100 Year Recurrence
3 sec gust @ 33 ft
(Ton-hr/cfm/yr) Base 75oF-RH 60%
Region
(in./hr)
50 Year Recurrence (mph)
Latent + Sensible
6
2.3
90
0.9 + 0.3
Ground Water
Frost Depth
Ground Snow Load
Average Annual
Temperature (oF)
50 Year Recurrence
50 Year Recurrence
Freeze-Thaw Cycles
50 Foot Depth *
(in.)
(lb/ft2)
(#)
50.6
59
39
53
*Note: Temperatures at greater depths can be estimated by adding 1.5oF per 100 feet additional depth.
BUFFALO
WMO No. 725280
NY
120
15
110
14
100
13
90
12
80
11
70
10
60
9
50
8
40
7
30
6
20
5
10
4
0
3
-10
2
-20
1
-30
0
J
F
M
A
M
Mean Precipitation
J
J
Mean Temperature
A
S
O
Mean Dewpoint
N
D
Precipitation (Inches)
o
Temperature ( F)
Average Annual Climate
BUFFALO
WMO No. 725280
NY
Long Term Psychrometric Summary
180
170
130
120
110
100
90
80
70
60
50
40
30
20
10
0
-60
-50
-40
-30
-20
-10
0
10
20
30
40
50
60
70
o
Temperature ( F)
50% of all observations
80% of all observations
95% of all observations
97.5% of all observations
99% of all observations
80
90
100
110
120
Humidity Ratio (gr/lb)
160
150
140
BUFFALO
WMO No. 725280
NY
Psychrometric Summary of Peak Design Values
180
140
120
100
80
60
40
20
0
-60
-50
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
110
120
o
Temperature ( F)
99% Dry Bulb
(oF)
6
MCHR
(gr/lb)
5.6
1.0% Dry Bulb
(oF)
84
MCHR
(gr/lb)
88.1
Enthalpy
(btu/lb)
2.3
MCWB
(oF)
69.6
1.0% Humidity (gr/lb)
113.4
Ratio
Enthalpy
(btu/lb)
34.0
MCDB
(oF)
77.1
MCWB
(oF)
72.1
MC Dewpt
(oF)
70
Enthalpy
(btu/lb)
36.2
Humidity Ratio (gr/lb)
160
BUFFALO
WMO No. 725280
NY
Dry-Bulb Temperature Hours For An Average Year (Sheet 1 of 5)
Period of Record = 1973 to 1996
Temperature
Range
(oF)
95 / 99
90 / 94
85 / 89
80 / 84
75 / 79
70 / 74
65 / 69
60 / 64
55 / 59
50 / 54
45 / 49
40 / 44
35 / 39
30 / 34
25 / 29
20 / 24
15 / 19
10 / 14
5/ 9
0/ 4
-5 / -1
-10 / -6
-15 / -11
-20 / -16
January
Hour
Group (LST)
01
09
17
To
To
To
Total
08
16
00
Obs
0
0
0
2
6
10
21
42
36
34
35
27
21
8
4
2
0
0
0
1
1
3
6
12
30
45
38
40
30
22
11
6
1
1
0
0
0
1
2
4
9
28
47
37
35
35
24
15
6
3
0
0
0
1
2
7
16
31
79
135
111
109
100
73
47
20
8
3
0
0
M
C
W
B
(oF)
57.6
55.3
50.9
47.3
41.6
38.4
33.9
29.9
24.9
20.2
15.7
10.9
6.4
1.6
-2.9
-7.0
-12.2
-16.0
February
Hour
Group (LST)
01
09
17
To
To
To
Total
08
16
00
Obs
1
3
4
9
20
36
28
30
33
25
23
10
2
1
0
0
0
1
3
5
7
16
27
37
32
36
29
17
10
3
0
0
0
1
4
6
10
25
39
30
36
35
20
13
4
1
0
0
0
1
5
12
17
35
72
112
90
102
97
62
46
17
3
1
0
0
M
C
W
B
(oF)
57.0
51.7
48.7
46.2
42.0
38.0
34.1
30.1
24.8
20.2
15.6
10.9
6.2
1.6
-2.8
-7.0
-10.9
-15.8
March
Hour
Group (LST)
01
09
17
To
To
To
Total
08
16
00
Obs
1
3
4
9
12
18
36
51
45
30
19
11
6
2
0
0
1
2
4
7
11
16
22
33
47
45
30
16
10
5
1
0
0
1
2
4
7
12
18
27
44
55
35
23
11
6
3
0
1
3
7
14
22
37
52
78
127
151
110
69
40
22
10
2
0
0
M
C
W
B
(oF)
60.0
56.3
54.5
51.4
49.3
45.6
41.8
37.9
33.8
29.7
24.8
20.1
15.5
10.8
6.7
1.6
-2.8
-5.5
Caution: This summary reflects the typical distribution of temperature in a typical year. It does not reflect
the typical moisture distribution. Because wet bulb temperatures are averaged, this summary understates
the annual moisture load. For accurate moisture load data, see the long-term humidity summary and the
ventilation and infiltration load pages in this manual.
BUFFALO
WMO No. 725280
NY
Dry-Bulb Temperature Hours For An Average Year (Sheet 2 of 5)
Period of Record = 1973 to 1996
Temperature
Range
(oF)
95 / 99
90 / 94
85 / 89
80 / 84
75 / 79
70 / 74
65 / 69
60 / 64
55 / 59
50 / 54
45 / 49
40 / 44
35 / 39
30 / 34
25 / 29
20 / 24
15 / 19
10 / 14
5/ 9
0/ 4
-5 / -1
-10 / -6
-15 / -11
-20 / -16
April
Hour
Group (LST)
01
09
17
To
To
To
Total
08
16
00
Obs
0
2
4
9
14
18
30
44
51
42
20
5
1
0
0
1
2
5
10
13
18
26
34
41
38
30
16
4
1
0
0
0
1
1
4
8
17
20
26
41
46
41
25
8
1
0
0
0
1
3
6
16
25
44
60
78
112
128
122
83
32
7
1
0
M
C
W
B
(oF)
64.4
64.0
63.1
61.0
58.4
55.5
52.6
49.2
45.3
41.9
38.4
34.1
29.9
25.2
20.5
15.9
11.0
May
Hour
Group (LST)
01
09
17
To
To
To
08
16
00
0
1
6
20
30
37
48
50
36
17
3
0
0
2
11
21
29
36
42
44
31
21
9
1
0
1
3
8
19
28
39
45
48
35
18
4
0
Total
Obs
M
C
W
B
(oF)
0
3
14
30
54
84
111
126
127
106
63
22
3
0
68.5
67.1
65.8
63.4
60.9
57.8
54.5
51.0
47.4
43.4
39.4
35.0
31.1
25.6
June
Hour
Group (LST)
01
09
17
To
To
To
Total
08
16
00
Obs
0
0
1
0
1
9
2
11
1
29
12
42
6
48
27
81
25
58
46
129
49
48
57
154
55
28
50
134
53
13
30
96
33
5
12
50
14
1
4
19
3
0
3
0
0
M
C
W
B
(oF)
79.0
77.1
69.7
67.6
65.2
63.1
60.7
57.2
53.1
48.9
44.6
40.9
37.5
Caution: This summary reflects the typical distribution of temperature in a typical year. It does not reflect
the typical moisture distribution. Because wet bulb temperatures are averaged, this summary understates
the annual moisture load. For accurate moisture load data, see the long-term humidity summary and the
ventilation and infiltration load pages in this manual.
BUFFALO
WMO No. 725280
NY
Dry-Bulb Temperature Hours For An Average Year (Sheet 3 of 5)
Period of Record = 1973 to 1996
Temperature
Range
(oF)
95 / 99
90 / 94
85 / 89
80 / 84
75 / 79
70 / 74
65 / 69
60 / 64
55 / 59
50 / 54
45 / 49
40 / 44
35 / 39
30 / 34
25 / 29
20 / 24
15 / 19
10 / 14
5/ 9
0/ 4
-5 / -1
-10 / -6
-15 / -11
-20 / -16
July
Hour
Group (LST)
01
09
17
To
To
To
Total
08
16
00
Obs
0
0
0
3
0
3
0
22
7
29
3
56
25
84
20
75
58
153
57
58
74
189
68
24
52
144
59
8
24
91
33
1
7
41
9
1
10
0
0
M
C
W
B
(oF)
73.0
71.5
70.7
68.8
66.9
65.1
61.9
58.3
54.1
50.1
45.2
August
Hour
Group (LST)
01
09
17
To
To
To
08
16
00
2
12
47
64
63
39
17
3
1
0
2
14
45
72
61
36
14
3
0
0
0
3
16
45
74
57
36
14
3
1
Total
Obs
M
C
W
B
(oF)
2
17
63
128
182
158
113
56
20
4
1
0
73.7
71.8
68.9
67.4
65.5
62.1
58.5
54.1
49.8
45.4
41.2
37.0
September
Hour
Group (LST)
01
09
17
To
To
To
Total
08
16
00
Obs
0
4
18
29
38
52
50
30
14
5
0
2
12
29
44
50
47
32
18
4
0
0
3
13
30
42
47
51
33
15
5
1
2
15
46
92
121
132
135
101
49
19
6
0
M
C
W
B
(oF)
71.8
69.1
66.5
64.5
60.8
56.7
53.1
48.8
44.4
40.1
36.0
32.3
Caution: This summary reflects the typical distribution of temperature in a typical year. It does not reflect
the typical moisture distribution. Because wet bulb temperatures are averaged, this summary understates
the annual moisture load. For accurate moisture load data, see the long-term humidity summary and the
ventilation and infiltration load pages in this manual.
BUFFALO
WMO No. 725280
NY
Dry-Bulb Temperature Hours For An Average Year (Sheet 4 of 5)
Period of Record = 1973 to 1996
Temperature
Range
(oF)
95 / 99
90 / 94
85 / 89
80 / 84
75 / 79
70 / 74
65 / 69
60 / 64
55 / 59
50 / 54
45 / 49
40 / 44
35 / 39
30 / 34
25 / 29
20 / 24
15 / 19
10 / 14
5/ 9
0/ 4
-5 / -1
-10 / -6
-15 / -11
-20 / -16
October
Hour
Group (LST)
01
09
17
To
To
To
Total
08
16
00
Obs
1
7
16
28
38
53
48
38
15
4
0
1
5
13
22
36
43
47
44
26
8
1
0
1
4
11
24
37
50
54
41
22
5
1
1
6
18
40
76
108
135
151
115
68
21
5
0
M
C
W
B
(oF)
65.1
62.4
60.2
58.1
55.2
51.4
47.2
43.2
38.9
34.8
30.4
26.0
22.4
November
Hour
Group (LST)
01
09
17
To
To
To
Total
08
16
00
Obs
0
1
7
11
19
24
36
48
51
30
10
3
0
1
7
12
15
25
32
44
47
38
13
3
1
0
0
2
7
15
21
30
42
48
46
21
6
1
0
1
10
26
41
65
86
123
144
136
64
19
5
0
M
C
W
B
(oF)
60.7
57.1
54.9
51.9
47.4
42.8
38.4
33.8
29.6
25.4
20.6
16.4
11.6
December
Hour
Group (LST)
01
09
17
To
To
To
Total
08
16
00
Obs
0
1
3
5
8
13
39
54
40
32
24
17
8
3
1
1
0
1
1
4
6
10
24
51
52
35
27
22
9
4
1
0
0
0
0
0
1
3
4
10
17
45
56
40
29
23
11
6
3
0
0
0
1
3
10
15
28
54
135
162
115
88
69
37
18
7
1
1
0
M
C
W
B
(oF)
62.9
60.0
56.2
52.2
47.6
43.0
38.1
34.0
30.0
25.0
20.3
15.7
11.1
6.5
2.3
-2.7
-7.1
-10.0
Caution: This summary reflects the typical distribution of temperature in a typical year. It does not reflect
the typical moisture distribution. Because wet bulb temperatures are averaged, this summary understates
the annual moisture load. For accurate moisture load data, see the long-term humidity summary and the
ventilation and infiltration load pages in this manual.
WMO No. 725280
BUFFALO
NY
Dry-Bulb Temperature Hours For An Average Year (Sheet 5 of 5)
Period of Record = 1973 to 1996
Temperature
Range
(oF)
95 / 99
90 / 94
85 / 89
80 / 84
75 / 79
70 / 74
65 / 69
60 / 64
55 / 59
50 / 54
45 / 49
40 / 44
35 / 39
30 / 34
25 / 29
20 / 24
15 / 19
10 / 14
5/ 9
0/ 4
-5 / -1
-10 / -6
-15 / -11
-20 / -16
Annual Totals
Hour
Group (LST)
01
09
17
To
To
To
Total
08
16
00
Obs
0
0
0
6
1
7
0
50
13
63
6
156
59
221
44
253
152
449
155
276
252
684
242
241
259
742
280
215
248
743
274
197
231
702
250
192
215
657
234
189
217
640
231
204
216
651
277
243
258
778
294
236
273
803
201
153
172
526
142
125
130
396
116
93
107
316
80
53
62
195
58
25
37
120
23
10
13
46
7
2
4
13
5
1
1
7
1
0
0
1
0
0
M
C
W
B
(oF)
73.5
73.0
70.6
68.4
66.3
64.1
60.5
56.3
52.0
47.4
42.9
38.6
34.1
29.9
25.0
20.2
15.7
11.0
6.4
1.7
-2.8
-7.0
-11.6
-15.9
Caution: This summary reflects the typical distribution of temperature in a typical year. It does not reflect
the typical moisture distribution. Because wet bulb temperatures are averaged, this summary understates
the annual moisture load. For accurate moisture load data, see the long-term humidity summary and the
ventilation and infiltration load pages in this manual.
1.0% Dry Bulb Temp
MCWB (1% Dry Bulb)
Mean Max Temp
Mean Min Temp
23-Dec
9-Dec
25-Nov
11-Nov
28-Oct
14-Oct
30-Sep
16-Sep
2-Sep
19-Aug
5-Aug
22-Jul
8-Jul
24-Jun
10-Jun
27-May
NY
13-May
29-Apr
15-Apr
1-Apr
18-Mar
4-Mar
18-Feb
4-Feb
21-Jan
7-Jan
o
Temperature ( F)
BUFFALO
WMO No. 725280
Annual Summary of Temperatures
100
90
80
70
60
50
40
30
20
10
0
-10
99% Min Dry Bulb Temp
BUFFALO
WMO No. 725280
NY
1.0% Max HR
Mean Max HR
Mean Min HR
MCDB Temp (1% Max HR)
23-Dec
9-Dec
25-Nov
11-Nov
28-Oct
14-Oct
30-Sep
16-Sep
2-Sep
19-Aug
5-Aug
22-Jul
8-Jul
24-Jun
10-Jun
27-May
13-May
29-Apr
15-Apr
1-Apr
18-Mar
4-Mar
18-Feb
4-Feb
o
Dry Bulb Temperature ( F)
110
105
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
21-Jan
220
210
200
190
180
170
160
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
7-Jan
Humidity Ratio (gr/lb)
Long Term Humidity and Dry Bulb Temperature Summary
BUFFALO
Week
1.0%
Ending Temp (oF)
7-Jan
51.0
14-Jan
53.0
21-Jan
54.0
28-Jan
49.0
4-Feb
54.0
11-Feb
49.0
18-Feb
55.0
25-Feb
58.0
4-Mar
56.0
11-Mar
61.0
18-Mar
66.0
25-Mar
65.0
1-Apr
71.0
8-Apr
70.0
15-Apr
72.0
22-Apr
78.0
29-Apr
80.0
6-May
74.0
13-May
82.0
20-May
82.0
27-May
84.0
3-Jun
83.0
10-Jun
84.0
17-Jun
88.0
24-Jun
86.0
1-Jul
86.0
8-Jul
90.0
15-Jul
88.0
22-Jul
88.0
29-Jul
88.0
5-Aug
88.0
12-Aug
86.0
19-Aug
88.0
26-Aug
84.0
2-Sep
86.0
9-Sep
84.0
16-Sep
83.0
23-Sep
80.0
30-Sep
76.0
7-Oct
77.0
14-Oct
72.0
21-Oct
73.0
28-Oct
74.0
4-Nov
69.0
11-Nov
66.0
18-Nov
64.0
25-Nov
64.0
2-Dec
65.0
9-Dec
60.0
16-Dec
58.0
23-Dec
53.0
31-Dec
58.0
WMO No. 725280
NY
Long Term Dry Bulb Temperature and Humidity Summary
MCWB @
1% Temp (oF)
48.0
49.2
49.3
42.5
47.8
42.8
48.4
49.9
47.7
51.5
54.5
52.4
55.3
55.8
58.1
62.3
62.4
57.5
65.6
62.5
67.6
67.3
69.3
71.1
68.5
70.3
72.9
72.4
72.0
69.9
73.3
72.1
73.7
68.9
73.0
70.6
68.5
69.5
63.8
63.2
59.8
61.4
62.3
56.9
55.8
54.9
56.9
55.6
56.5
52.3
50.5
54.4
Mean Max
Temp (oF)
30.8
29.3
30.1
32.3
29.6
27.6
31.6
38.8
34.4
39.4
41.6
43.4
49.0
48.1
52.1
57.5
59.4
59.8
64.4
67.5
69.8
71.3
72.9
75.9
76.6
77.0
79.8
79.8
81.5
80.0
79.7
78.3
78.9
76.9
76.4
74.1
70.9
67.1
65.5
62.7
59.5
57.5
56.9
54.6
49.1
46.2
44.7
42.3
38.3
36.5
33.5
33.1
Mean Min
Temp (oF)
19.0
16.5
16.9
20.3
17.3
14.1
17.7
24.6
20.3
24.4
25.5
27.4
32.4
32.9
34.6
39.4
41.0
42.3
45.4
48.3
51.8
53.6
55.1
57.5
58.9
59.6
62.4
62.6
64.2
62.5
63.4
61.9
60.9
58.7
59.8
57.1
53.9
51.1
48.4
46.6
43.5
42.0
41.3
39.6
35.8
33.0
32.5
30.0
26.3
24.3
22.2
21.0
99%
Temp (oF)
2.0
-1.0
-5.0
1.0
1.0
-1.0
-3.0
6.0
3.0
7.0
9.0
11.0
17.0
19.0
24.0
28.0
32.0
34.0
35.0
38.0
41.0
43.0
44.0
47.0
48.0
51.0
53.0
55.0
55.0
54.0
55.0
53.0
51.0
49.0
48.0
45.0
43.0
40.0
37.0
35.0
32.0
30.0
31.0
26.0
23.0
22.0
19.0
15.0
9.0
5.0
3.0
2.0
1.0%
MCDB @
HR (gr/lb) 1% HR (oF)
49.0
54.4
50.4
53.3
51.1
50.4
39.9
45.0
42.0
49.0
36.4
43.3
48.3
53.6
52.5
51.3
51.8
58.5
51.8
56.2
59.5
56.8
55.3
58.9
62.3
55.9
68.6
63.2
67.2
67.9
76.3
63.5
74.2
66.3
73.5
64.6
88.2
74.6
88.9
70.5
101.5
76.0
106.4
74.1
109.2
74.9
124.6
82.5
121.8
76.4
109.9
77.2
121.8
79.9
125.3
80.2
126.7
79.4
121.8
77.7
126.0
79.1
122.5
78.0
126.0
82.4
114.1
77.8
121.1
80.2
117.6
74.1
113.4
78.8
109.9
77.3
105.7
71.6
86.8
66.3
79.8
64.7
79.8
67.2
79.8
69.0
76.3
61.4
71.4
62.8
63.7
59.6
65.8
63.6
65.1
58.3
62.3
56.8
51.1
57.4
49.0
48.8
61.6
57.1
Mean Max
HR (gr/lb)
21.4
20.3
21.8
22.2
20.0
18.0
21.2
28.1
22.1
27.6
28.5
29.1
34.8
35.6
36.9
44.4
44.4
46.4
52.7
61.2
65.9
71.8
75.0
79.9
87.0
86.3
93.3
94.4
98.3
95.9
98.2
95.5
95.0
89.1
91.9
83.2
78.3
71.8
64.2
58.5
52.4
49.2
47.4
44.8
40.5
35.2
34.9
32.8
28.8
26.8
24.0
25.0
Mean Min
HR (gr/lb)
11.8
10.8
11.8
12.6
11.0
9.7
12.0
15.9
12.5
15.5
15.8
16.8
20.7
21.4
21.8
27.0
27.5
28.6
33.5
38.9
44.5
48.2
50.4
54.5
58.7
59.4
66.4
63.7
68.6
66.1
70.9
66.5
66.2
60.7
64.2
58.1
50.3
48.4
43.1
38.3
34.1
30.9
30.1
27.8
24.3
21.4
21.1
18.7
16.2
15.3
13.9
13.5
BUFFALO
WMO No. 725280
NY
Degree Days, Heating and Cooling
o
(Base 65 F)
1000
500
-500
o
Degree Days ( F)
0
-1000
-1500
-2000
-2500
-3000
J
F
M
A
M
J
Mean Cooling Degree Days
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANN
Mean Cooling
Degree Days (oF)
0
0
2
12
48
128
231
188
70
11
1
0
690
J
A
S
O
Mean Heating Degree Days
Mean Heating
Degree Days (oF)
1257
1127
955
600
293
90
28
45
178
457
737
1093
6860
N
D
BUFFALO
WMO No. 725280
NY
Average Ventilation and Infiltration Loads
o
o
(Outside Air vs. 75 F, 60% RH summer; 68 F, 30% RH winter)
40000
30000
20000
10000
Load (Btu/cfm)
0
-10000
-20000
-30000
-40000
-50000
-60000
-70000
-80000
J
F
M
A
M
J
J
A
S
O
N
D
Average Sensible Cooling Load
Average Sensible Heating Load
Average Latent Cooling (Drying) Load
Average Latent Heating (Humidifying) Load
Average Sensible
Cooling Load
(Btu/cfm)
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANN
0
0
1
38
189
601
1309
895
215
11
0
0
3259
Average Sensible
Heating Load
(Btu/cfm)
-34995
-31417
-27152
-17761
-9539
-3503
-1345
-1973
-6217
-14110
-21413
-30742
-200167
Average Latent
Cooling Load
(Btu/cfm)
0
0
0
1
314
1661
3914
3639
1348
31
1
0
10909
Average Latent
Heating Load
(Btu/cfm)
-7782
-7029
-5385
-2556
-536
-19
-1
-1
-62
-918
-3112
-6165
-33566
Average Annual Solar Radiation – Nearest Available Site
(Source: National Renewable Energy Laboratory, Golden CO, 1995)
City:
State:
WBAN No:
Lat(N):
Long(W):
Elev(ft):
BUFFALO
NY
14733
42.93
78.73
705
Stn Type:
Secondary
SHADING GEOMETRY IN DIMENSIONLESS UNITS
Window:
1
Overhang:
0.618
Vert Gap:
0.33
AVERAGE INCIDENT SOLAR RADIATION (Btu/sq.ft./day), Percentage Uncertainty =
Jan
Feb
Mar
Apr
May
HORIZ
Global
500
740
1070
1440
1740
Std Dev
40
59
85
119
157
Minimum
430
640
940
1140
1360
Maximum
580
870
1270
1640
2060
Diffuse
360
500
600
700
790
Clear Day
Global
790
1150
1640
2170
2510
NORTH
Global
190
270
340
430
530
Diffuse
190
270
340
420
490
Clear Day
Global
170
230
310
420
570
EAST
Global
320
460
660
860
990
Diffuse
240
330
420
510
580
Clear Day
Global
630
850
1110
1350
1480
SOUTH
Global
680
850
970
940
870
Diffuse
360
440
490
530
560
Clear Day
Global
1850
1990
1870
1510
1180
WEST
Global
320
470
650
850
1000
Diffuse
240
330
420
510
590
Clear Day
Global
630
850
1110
1350
1480
9
Jun
1940
134
1610
2200
840
2650
610
530
690
1070
620
1520
840
580
1040
1090
630
1520
Jul
1910
109
1700
2110
820
2560
590
520
640
1070
620
1480
870
580
1090
1090
630
1480
Aug
1640
101
1460
1870
740
2240
470
450
460
960
550
1360
970
560
1340
970
560
1360
Sep
1240
110
1070
1430
600
1770
360
360
340
760
450
1160
1000
500
1680
770
450
1160
Oct
840
73
700
1060
450
1240
270
270
250
540
320
880
940
410
1860
540
330
880
Nov
500
42
420
590
340
830
190
190
170
320
220
650
630
310
1810
310
220
650
Dec
400
38
330
480
300
670
160
160
150
260
190
550
550
290
1740
260
190
550
Year
1170
39
1080
1260
590
1690
370
350
370
690
420
1090
840
470
1580
700
430
1090
Average Annual Solar Heat and Illumination – Nearest Available Site
(Source: National Renewable Energy Laboratory, Golden CO, 1995)
AVERAGE TRANSMITTED SOLAR RADIATION (Btu/sq.ft./day) FOR DOUBLE GLAZING, Percentage Uncertainty = 9
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
HORIZ
Unshaded
330
510
750
1030
1260
1410
1380
1180
880
NORTH
Unshaded
130
190
240
290
350
400
380
320
250
Shaded
110
150
200
250
310
350
330
280
220
EAST
Unshaded
220
330
470
610
700
760
760
680
540
Shaded
190
270
400
510
570
620
630
570
450
SOUTH
Unshaded
510
620
680
630
550
520
540
630
690
Shaded
480
550
520
390
340
350
350
370
480
WEST
Unshaded
220
330
460
610
710
780
780
690
550
Shaded
190
280
390
510
590
640
640
580
460
Oct
570
180
160
380
320
680
580
380
320
Nov
330
130
110
220
190
470
440
220
180
AVERAGE INCIDENT ILLUMINANCE (klux-hr) FOR MOSTLY CLEAR AND MOSTLY CLOUDY CONDITIONS, Percentage Uncertainty = 9
March
June
9am
11am
1pm
3pm
5pm
9am
11am
1pm
HORIZ.
M.Clear
33
66
78
63
29
44
80
98
M.Cloudy
19
39
46
38
17
27
51
67
NORTH
M.Clear
9
13
14
13
8
18
16
17
M.Cloudy
8
14
16
14
7
12
16
18
EAST
M.Clear
70
59
14
13
8
77
74
35
M.Cloudy
23
29
16
14
7
32
41
28
SOUTH
M.Clear
36
73
86
70
32
11
33
51
M.Cloudy
14
33
39
31
13
10
24
37
WEST
M.Clear
9
13
17
62
68
11
16
17
M.Cloudy
8
14
17
29
21
10
16
18
M.Clear
(% hrs)
23
21
19
19
21
37
33
31
Sept
Dec
9am
11am
1pm
3pm
5pm
9am
11am
1pm
HORIZ.
M.Clear
23
60
79
75
49
8
32
40
M.Cloudy
13
35
50
48
29
5
19
23
NORTH
M.Clear
7
13
15
15
12
4
9
10
M.Cloudy
6
13
16
16
11
3
8
10
EAST
M.Clear
57
70
32
15
12
24
37
10
M.Cloudy
18
32
23
16
11
6
14
10
SOUTH
M.Clear
17
55
76
71
43
21
71
83
M.Cloudy
8
27
41
39
21
5
21
25
WEST
M.Clear
7
13
15
47
73
4
9
16
M.Cloudy
6
13
16
29
30
3
8
11
M.Clear
(% hrs)
35
28
26
27
32
11
11
11
Dec
260
110
91
170
150
410
390
170
150
Year
830
250
210
490
410
580
430
490
410
3pm
95
65
17
18
17
18
48
35
47
34
33
5pm
71
48
15
16
15
16
26
21
78
45
33
3pm
25
15
8
7
8
7
57
17
40
13
11
5pm
2
2
1
1
1
1
6
2
8
2
12
Wind Summary - December, January, and February
Labels of Percent Frequency on North Axis
N
NNW
20
NNE
15
NW
NE
10
WNW
ENE
5
0
W
E
WSW
ESE
SW
SE
SSW
SSE
S
>34 knots
25-34 knots
15-24 knots
6-14 knots
1-5 knots
Percent Calm = 1.94
Wind Summary - March, April, and May
Labels of Percent Frequency on North Axis
N
NNW
20
NNE
15
NW
NE
10
WNW
ENE
5
0
W
E
WSW
ESE
SW
SE
SSW
SSE
S
>34 knots
Percent Calm = 1.97
25-34 knots
15-24 knots
6-14 knots
1-5 knots
Wind Summary - June, July, and August
Labels of Percent Frequency on North Axis
N
NNW
20
NNE
15
NW
NE
10
WNW
ENE
5
0
W
E
WSW
ESE
SE
SW
SSW
SSE
S
>34 knots
25-34 knots
15-24 knots
6-14 knots
1-5 knots
Percent Calm = 2.66
Wind Summary - September, October, and November
Labels of Percent Frequency on North Axis
N
NNW
NW
WNW
W
14
12
10
8
6
4
2
0
NNE
NE
ENE
E
WSW
ESE
SE
SW
SSW
SSE
S
>34 knots
Percent Calm = 2.26
25-34 knots
15-24 knots
6-14 knots
1-5 knots