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Snowqualmie Pass DOT Wx Plot Snowpack Depth

                                      1973-74 through 2007-08

YEARS

# OF DAYS 140" OR GREATER

# OF DAYS 155" OR GREATER

# OF DAYS 170" OR GREATER

MAXIMUM DEPTH FOR YEAR & DATE

1973-74

45x

28x

13x

189"/Mar. 7

1974-75

3x

0x

0x

144"/Feb.21

1975-76

4x

0x

0x

150"/Mar.28

1976-77

0x

0x

0x

55"/Mar. 28

1977-78

0x

0x

0x

82"/Mar.14

1978-79

0x

0x

0x

120"/Feb.25

1979-80

0x

0x

0x

98"/Mar. 14

1980-81

0x

0x

0x

46"/ Dec. 6

1981-82

0x

0x

0x

118"/Feb. 13

1982-83

0x

0x

0x

84"/Feb.20

1983-84

0x

0x

0x

83"/ Feb.23

1984-85

0x

0x

0x

120"/Feb.11

1985-86

0x

0x

0x

94"/Feb.16

1986-87

0x

0x

0x

89"/Mar. 2

1987-88

0x

0x

0x

84"/Mar. 29

1988-89

0x

0x

0x

108"/ April 4

1989-90

0x

0x

0x

130"/Feb. 9

1990-91

0x

0x

0x

90"/Jan. 10

1991-92

0x

0x

0x

65"/Feb. 21

1992-93

0x

0x

0x

77"/ Jan. 22

1993-94

0x

0x

0x

98"/Feb. 22

1994-95

0x

0x

0x

103"/Jan. 19

1995-96

0x

0x

0x

76"/Jan. 29

1996-97

19x

1x

0x

158"/Mar. 16

1997-98

0x

0x

0x

108"/Mar. 10

1998-99

53x

21x

1x

170"/ Mar. 4

1999-00

0x

0x

0x

105"/Feb.2

2000-01

0x

0x

0x

77"/Feb. 18

2001-02

2x

0x

0x

146"/Mar. 20

2002-03

0x

0x

0x

74"/Mar. 10

2003-04

0x

0x

0x

93"/ Feb. 18

2004-05

0x

0x

0x

38"/April 30

2005-06

0x

0x

0x

127"/Mar. 8

2006-07

0x

0x

0x

113"/Mar. 1

2007-08

2x

0x

0x

152/Feb. 8

Snowqualmie Pass Monthly Snowfall Totals and Averages

WINTER SEASON

SEASON" SNOWFALL

YEARLY" AVERAGE

SNOFALL" OCTOBER

SNOFALL" NOVEMBER

SNOFALL" DECEMBER

SNOFALL" JANUARY

SNOFALL" FEBRUARY

SNOFALL" MARCH

SNOFALL" APRIL

SNOFALL" MAY

1949-50

696

696

0

6

168

22

112

125

61

4

1950-51

590

643

0

74

98

185

86

147

0

0

1951-52

477

588

0

51

166

130

52

78

0

0

1952-53

460

556

0

6

102

115

82

86

58

11

1953-54

680

581

0

29

116

267

145

56

67

0

1954-55

630

589

0

6

113

82

111

221

97

0

1955-56

828

623

10

125

175

190

169

150

9

0

1956-57

517

610

36

56

31

114

133

127

20

0

1957-58

396

586

12

36

148

107

30

38

25

0

1958-59

419

569

0

81

44

93

59

113

18

11

1959-60

456

559

3

26

60

71

77

130

78

11

1960-61

505

555

0

102

56

96

124

84

41

2

1961-62

405

543

26

45

141

31

20

112

30

0

1962-63

236

521

4

43

41

24

25

81

11

7

1963-64

678

532

8

46

70

265

79

152

45

13

1964-65

501

530

0

94

138

150

96

22

1

0

1965-66

510

528

0

34

104

166

107

99

0

0

1966-67

483

526

0

26

85

140

96

101

34

1

1967-68

422

520

0

31

111

128

40

54

58

0

1968-69

615

525

3

42

192

243

102

33

0

0

1969-70

383

518

0

5

110

175

71

22

0

0

1970-71

492

517

4

49

149

186

79

2

1

0

1971-72

600

521

23

58

157

170

70

62

60

0

1972-73

233

509

0

14

170

77

15

42

15

0

1973-74

692

516

5

142

128

112

139

124

22

20

1974-75

504

516

0

58

111

126

111

63

35

0

1975-76

535

516

43

91

64

107

120

98

12

0

1976-77

191

505

0

2

19

23

35

112

0

0

1977-78

315

498

0

69

79

50

46

33

19

19

1978-79

350

493

0

39

74

44

141

26

26

0

1979-80

366

489

1

22

60

49

115

103

16

0

1980-81

219

481

0

40

43

13

25

21

77

0

1981-82

472

480

0

13

132

161

72

43

43

8

1982-83

336

476

14

68

107

56

47

25

19

0

1983-84

359

473

0

74

85

22

72

43

59

4

1984-85

443

472

31

103

140

3

90

60

16

0

1985-86

311

468

13

70

31

87

82

11

16

1

1986-87

300

463

0

36

67

102

39

46

10

0

1987-88

334

460

0

13

81

77

39

90

31

3

1988-89

410

459

0

84

44

134

55

64

29

0

1989-90

421

458

0

28

13

159

145

53

23

0

1990-91

367

456

7

45

113

68

11

82

41

0

1991-92

211

450

8

53

46

61

43

0

0

0

1992-93

266

446

0

57

122

51

10

22

4

0

1993-94

313

443

0

25

58

52

119

45

14

0

1994-95

411

442

12

127

105

68

45

35

19

0

1995-96

314

439

0

43

71

126

40

23

7

4

1996-97

602

443

26

90

182

70

72

129

24

9

1997-98

362

441

0

22

4

149

58

52

6

0

1998-99

603

444

0

65

146

102

164

82

19

25

1999-00

427

444

5

39

102

144

65

48

22

2

2000-01

295

441

0

46

67

53

50

43

24

12

2001-02

540

443

13

50

124

117

66

124

28

16

2002-03

277

440

0

0

73

51

23

86

28

16

2003-04

381

439

1

74

125

97

46

37

1

0

2004-05

216

435

2

19

57

35

23

65

15

0

2005-06

446

435

1

88

61

175

71

41

9

0

2006-07

389

445

3

111

96

68

62

37

11

1

2007-08

594

448

1

23

173

131

99

85

82

1

Averages

5.34

51.08

97.42

104.58

74.92

70.98

26.03

3.41

Snow Storm Data

YEARS

24 HRS WITH OVER 10" SNOWFALL

24 HRS OVER 20" SNOWFALL

48 HRS OVER 24" SNOWFALL

48 HRS W/24" SNOWFALL W/SNOWPACK DEPTH OF 140" OR MORE

1973-74

12

0

8

5

1974-75

13

4

12

2

1975-76

17

0

1

1

1976-77

4

0

1

0

1977-78

3

0

0

0

1978-79

8

2

2

0

1979-80

8

1

3

0

1980-81

2

0

0

0

1981-82

13

2

2

0

1982-83

8

0

0

0

1983-84

5

0

1

0

1984-85

14

2

1

0

1985-86

12

1

1

0

1986-87

8

0

0

0

1987-88

7

0

0

0

1988-89

9

1

2

0

1989-90

19

2

11

0

1990-91

9

2

0

0

1991-92

9

0

0

0

1992-93

5

1

2

0

1993-94

6

0

1

0

1994-95

9

0

0

0

1995-96

7

0

1

0

1996-97

17

2

7

1

1997-98

9

1

2

0

1998-99

20

2

3

0

1999-00

9

1

1

0

2000-01

4

0

0

0

2001-02

16

1

1

2

2002-03

4

0

0

0

2003-04

6

0

0

0

2004-05

5

1

1

0

2005-06

14

0

0

0

2006-07

9

1

1

0

2007-08

19

1

6

1

Totals

339

28

71

12

This Site Developed and Maintained by:
Barker Consulting
34808 Hassinger Road
Lenore, ID. 83541