Bin data for outdoor temperature T0 (hourly occurrences per year)

From ASHRAE 1989, with permission

Location

Annual average of T0

Hourly weather occurrences per year at outdoor temperature, °F

72

67

62

57

52

47

42

37

32

27

22

17

12

7

2

-3

-8

-13

-18

Albany, NY

47.7

588

733

740

708

652

625

647

769

793

574

404

278

184

110

63

32

10

5

4

Albuquerque, NM

56.8

767

831

719

651

687

734

741

689

552

346

154

66

21

4

1

1

-

-

-

Atlanta, GA

60.8

1185

926

823

784

735

676

598

468

271

112

44

19

8

2

-

-

-

-

-

Bismark, ND

41.4

454

566

614

606

563

520

518

604

653

550

474

371

338

292

278

208

131

77

80

Boise, ID

50.9

492

575

643

702

786

798

878

829

522

307

148

53

26

14

6

2

-

-

-

Boston, MA

51.3

676

819

804

781

766

757

828

848

674

429

256

151

74

35

4

9

-

-

-

Charleston, SC

64.8

1267

1090

889

787

651

576

434

321

192

79

27

5

-

-

-

-

-

-

-

Chicago, IL

50.5

762

769

653

592

569

543

591

800

822

551

335

196

117

85

59

25

12

3

-

Columbus, OH

51.4

774

820

720

648

622

603

658

772

730

502

280

169

94

40

20

10

4

1

-

Denver, CO

50.2

549

684

783

731

678

704

692

717

721

553

359

216

119

78

36

22

6

1

1

Detroit, MI

49.8

721

783

695

633

592

566

595

808

884

618

377

248

131

61

17

4

-

-

-

El Paso, TX

63.3

933

839

749

760

687

611

494

369

233

34

104

10

2

-

-

-

-

-

-

Houston, TX

68.9

1172

980

772

681

570

452

291

141

64

18

4

2

-

-

-

-

-

-

-

Kansas City, MO

53.8

761

723

601

572

553

562

628

591

625

407

265

175

99

51

21

4

-

-

-

Los Angeles, CA

61.7

881

1654

2193

1904

1054

428

107

10

-

-

-

-

-

-

-

-

-

-

-

Louisville, KY

55.6

869

758

693

654

619

634

649

703

631

332

169

97

45

25

8

3

-

-

-

Location

Annual average of T0

Hourly weather occurrences per year at outdoor temperature, °F

72

67

62

57

52

47

42

37

32

27

22

17

12

7

2

-3

-8

-13

-18

Miami, FL

75.4

1705

810

452

277

147

71

26

4

-

-

-

-

-

-

-

-

-

-

-

Minneapolis, MN

44.1

621

690

695

602

588

482

500

560

632

609

514

383

311

246

186

119

62

31

16

Nashville, TN

59.4

933

838

738

697

637

619

627

565

463

263

132

67

28

9

3

1

1

-

-

New Orleans, LA

68.4

1189

987

850

692

621

449

282

128

47

9

2

-

-

-

-

-

-

-

-

New York, NY

54.5

926

877

754

745

722

796

838

858

603

330

188

82

24

10

1

-

-

-

-

Oklahoma City, OK

59.9

881

769

717

173

643

645

611

641

570

468

287

77

36

12

3

1

-

-

-

Omaha, NE

49.5

726

721

606

558

539

543

543

655

663

511

390

287

189

135

93

40

15

1

-

Philadelphia, PA

54.5

863

809

735

710

663

701

758

818

654

335

189

100

32

9

-

-

-

-

-

Phoenix, AZ

70.3

762

776

767

769

659

540

391

182

57

8

-

-

-

-

-

-

-

-

-

Pittsburgh, PA

50.4

722

910

799

678

637

581

631

688

569

774

360

233

159

60

30

7

1

-

-

Portland, OR

52.7

373

581

1001

1316

1274

1271

1238

772

343

123

40

10

4

1

-

-

-

-

-

Sacramento, CA

60.3

630

773

1071

1329

1298

1049

701

355

93

8

-

-

-

-

-

-

-

-

-

Salt Lake City, UT

51.1

569

615

614

635

682

685

755

831

798

564

328

158

80

41

16

2

-

-

-

San Francisco, CA

56.8

285

665

1264

2341

2341

1153

449

99

10

-

-

-

-

-

-

-

-

-

-

Seattle, WA

51.1

258

448

750

1272

1462

1445

1408

914

427

104

39

20

3

-

-

-

-

-

-

St. Louis, MO

55.9

823

728

646

575

585

578

620

671

650

411

219

134

77

40

15

7

1

-

-

Washington, DC

53.8

960

766

740

673

690

684

790

744

542

254

138

54

17

2

-

-

-

-

-