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About CDC.gov
.
North America Land Data Assimilation System (NLDAS) Daily Air Temperatures and Heat Index (1979-2011) Request
Environmental Data
Dataset Documentation
Other Data Access
Data Use Restrictions
How to Use WONDER
Make all desired selections and then click any
Send
button one time to send your request.
1. Organize table layout:
Help
Group Results By
Region
Division
State
County
Year
Month
Day of Month
Day of Year
Month, Year
Month Day, Year
Daily Max Air Temperature
Daily Min Air Temperature
Daily Max Heat Index
Select a temperature scale.
Fahrenheit
Celsius
And By
None
Region
Division
State
County
Year
Month
Day of Month
Day of Year
Month, Year
Month Day, Year
Daily Max Air Temperature
Daily Min Air Temperature
Daily Max Heat Index
And By
None
Region
Division
State
County
Year
Month
Day of Month
Day of Year
Month, Year
Month Day, Year
Daily Max Air Temperature
Daily Min Air Temperature
Daily Max Heat Index
And By
None
Region
Division
State
County
Year
Month
Day of Month
Day of Year
Month, Year
Month Day, Year
Daily Max Air Temperature
Daily Min Air Temperature
Daily Max Heat Index
And By
None
Region
Division
State
County
Year
Month
Day of Month
Day of Year
Month, Year
Month Day, Year
Daily Max Air Temperature
Daily Min Air Temperature
Daily Max Heat Index
Select Measures
(Check box to include in results. Must select at least one.)
Daily Max Air Temperature (F):
Avg Temperature
# of Observations
Range
Daily Min Air Temperature (F):
Avg Temperature
# of Observations
Range
Daily Max Heat Index (F):
Avg Heat Index
# of Observations
Range
Percent Coverage
Daily Max Air Temperature (C):
Avg Temperature
# of Observations
Range
Daily Min Air Temperature (C):
Avg Temperature
# of Observations
Range
Daily Max Heat Index (C):
Avg Heat Index
# of Observations
Range
Percent Coverage
Title
2. Select location:
Help
Click a button to select locations by State, or Region.
States
Regions
Browse
or
search
to find items in the States Finder Tool, then
highlight
the items to use for this request.
Finder Tool Help
Advanced Finder Options
Items in the Selected Items box will be used for your request.
Enter codes by hand, one per line, or find items in the Finder Tool and
Move (highlighted) Items Over
.
Finder Tool Help
Regular Finder Options
Selected Items
Leave box empty, or use *All*, to select all values.
Move
Items
Over
<<<
States
*All* (The United States)
+ 01 (Alabama)
+ 04 (Arizona)
+ 05 (Arkansas)
+ 06 (California)
+ 08 (Colorado)
+ 09 (Connecticut)
+ 10 (Delaware)
+ 11 (District of Columbia)
+ 12 (Florida)
+ 13 (Georgia)
+ 16 (Idaho)
+ 17 (Illinois)
+ 18 (Indiana)
+ 19 (Iowa)
+ 20 (Kansas)
+ 21 (Kentucky)
+ 22 (Louisiana)
+ 23 (Maine)
+ 24 (Maryland)
+ 25 (Massachusetts)
+ 26 (Michigan)
+ 27 (Minnesota)
+ 28 (Mississippi)
+ 29 (Missouri)
+ 30 (Montana)
+ 31 (Nebraska)
+ 32 (Nevada)
+ 33 (New Hampshire)
+ 34 (New Jersey)
+ 35 (New Mexico)
+ 36 (New York)
+ 37 (North Carolina)
+ 38 (North Dakota)
+ 39 (Ohio)
+ 40 (Oklahoma)
+ 41 (Oregon)
+ 42 (Pennsylvania)
+ 44 (Rhode Island)
+ 45 (South Carolina)
+ 46 (South Dakota)
+ 47 (Tennessee)
+ 48 (Texas)
+ 49 (Utah)
+ 50 (Vermont)
+ 51 (Virginia)
+ 53 (Washington)
+ 54 (West Virginia)
+ 55 (Wisconsin)
+ 56 (Wyoming)
Browse
the list by opening and closing items.
Use
Ctrl+Click to multiple select, Shift+Click for a range.
Browse
or
search
to find items in the Regions Finder Tool, then
highlight
the items to use for this request.
Finder Tool Help
Advanced Finder Options
Items in the Selected Items box will be used for your request.
Enter codes by hand, one per line, or find items in the Finder Tool and
Move (highlighted) Items Over
.
Finder Tool Help
Regular Finder Options
Selected Items
Leave box empty, or use *All*, to select all values.
Move
Items
Over
<<<
Regions
*All* (The United States)
+ CENS-R1 (Census Region 1: Northeast)
+ CENS-R2 (Census Region 2: Midwest)
+ CENS-R3 (Census Region 3: South)
+ CENS-R4 (Census Region 4: West)
Browse
the list by opening and closing items.
Use
Ctrl+Click to multiple select, Shift+Click for a range.
3. Select year, month, day:
Help
Click a button to choose dates by ranges, individual date fields, or aggregate date fields.
Date Range
Individual Date Fields
Aggregate Date
Dates
From:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Last
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
(Start: Jan 01, 1979)
Until:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Last
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
(End: Dec 31, 2011)
Year
All Years
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
Pick between:
Day of Month Fields
Day of Year Field
Month
All Months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Day of Month
All Days
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Day of Year
All Days
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
Hint:
Use Ctrl + Click for multiple selections, or Shift + Click for a range.
Browse
or
search
to find items in the Dates Finder Tool, then
highlight
the items to use for this request.
Finder Tool Help
Advanced Finder Options
Items in the Selected Items box will be used for your request.
Enter codes by hand, one per line, or find items in the Finder Tool and
Move (highlighted) Items Over
.
Finder Tool Help
Regular Finder Options
Selected Items
Leave box empty, or use *All*, to select all values.
Move
Items
Over
<<<
Dates
*All* (All Dates)
+ 1979 (1979)
+ 1980 (1980)
+ 1981 (1981)
+ 1982 (1982)
+ 1983 (1983)
+ 1984 (1984)
+ 1985 (1985)
+ 1986 (1986)
+ 1987 (1987)
+ 1988 (1988)
+ 1989 (1989)
+ 1990 (1990)
+ 1991 (1991)
+ 1992 (1992)
+ 1993 (1993)
+ 1994 (1994)
+ 1995 (1995)
+ 1996 (1996)
+ 1997 (1997)
+ 1998 (1998)
+ 1999 (1999)
+ 2000 (2000)
+ 2001 (2001)
+ 2002 (2002)
+ 2003 (2003)
+ 2004 (2004)
+ 2005 (2005)
+ 2006 (2006)
+ 2007 (2007)
+ 2008 (2008)
+ 2009 (2009)
+ 2010 (2010)
+ 2011 (2011)
Browse
the list by opening and closing items.
Use
Ctrl+Click to multiple select, Shift+Click for a range.
4. Select temperatures:
Help
Click a button to select temperatures using ranges or lists.
Ranges
Lists
Daily Max Air Temperature (F)
to
(-31)
(120)
Daily Min Air Temperature (F)
to
(-47)
(95)
Daily Max Heat Index (F)
to
(78)
(134)
Hint:
An empty field denotes the minimum or maximum value shown below the field.
Daily Max Air Temperature (F)
All Temperatures
-31
-30
-29
-28
-27
-26
-25
-24
-23
-22
-21
-20
-19
-18
-17
-16
-15
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
Daily Min Air Temperature (F)
All Temperatures
-47
-46
-45
-44
-43
-42
-41
-40
-39
-38
-37
-36
-35
-34
-33
-32
-31
-30
-29
-28
-27
-26
-25
-24
-23
-22
-21
-20
-19
-18
-17
-16
-15
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
Daily Max Heat Index (F)
All Values
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
N/A
Hint:
Use Ctrl + Click for multiple selections, or Shift + Click for a range.
Click a button to select temperatures using ranges or lists.
Ranges
Lists
Daily Max Air Temperature (C)
to
(-35)
(49)
Daily Min Air Temperature (C)
to
(-44)
(35)
Daily Max Heat Index (C)
to
(25)
(57)
Hint:
An empty field denotes the minimum or maximum value shown below the field.
Daily Max Air Temperature (C)
All Temperatures
-35
-34
-33
-32
-31
-30
-29
-28
-27
-26
-25
-24
-23
-22
-21
-20
-19
-18
-17
-16
-15
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
Daily Min Air Temperature (C)
All Temperatures
-44
-43
-42
-41
-40
-39
-38
-37
-36
-35
-34
-33
-32
-31
-30
-29
-28
-27
-26
-25
-24
-23
-22
-21
-20
-19
-18
-17
-16
-15
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Daily Max Heat Index (C)
All Values
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
N/A
Hint:
Use Ctrl + Click for multiple selections, or Shift + Click for a range.
5. Other options:
Help
Export Results
(Check box to download results to a file)
Show Totals
Show Zero Values
Precision
0
1
2
3
4
5
6
7
8
9
decimal places
Data Access Timeout
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
minutes
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