Recent Geyser Activity

Interval Between Eruptions

Most recent data collected 31 December 2004

Compiled By Ralph Taylor

Activity for the most recent week with recorded activity

Geyser

Start Date

Last Update

Intervals

Min

Mean

Median

Max

Coef. Of Variation

Aurum

24-Dec-04

31-Dec-04

02:47

04:14

03:30

08:50

36.05%

Beehive

24-Dec-04

31-Dec-04

10:47

14:01

13:30

17:25

15.22%

No known missed eruptions

Boardwalk

18-Sep-04

25-Sep-04

181

00:31

17:05

03:07

311:47

264.73%

Depression

24-Dec-04

31-Dec-04

08:53

10:26

10:02

14:44

14.96%

Lion (series)

24-Dec-04

31-Dec-04

06:35

10:35

10:40

14:53

22.81%

Little Cub

24-Dec-04

31-Dec-04

123

00:52

01:37

01:02

51:22

279.26%

Still having long intervals some days

Little Squirt

24-Dec-04

31-Dec-04

70:34

76:32

82:30

11.03%

North Goggles

24-Dec-04

31-Dec-04

Last recorded eruption was 30 September

Plate

24-Dec-04

31-Dec-04

01:16

04:13

03:08

38:19

138.34%

Plume

24-Dec-04

31-Dec-04

139

0:50

1:12

1:08

9:27

59.86%

Reactivated 1 September, went dormant at 00:44 on 8 September

Artemisia

24-Dec-04

31-Dec-04

10:29

14:52

14:17

21:38

20.93%

Baby Daisy

24-Dec-04

31-Dec-04

00:59

Castle (w/o minors)

24-Dec-04

31-Dec-04

12:44

12:58

12:55

13:20

1.69%

Castle (minor-major)

24-Dec-04

31-Dec-04

03:46

06:08

08:30

54.57%

Castle (1st post minor)

24-Dec-04

31-Dec-04

13:50

13:52

13:54

0.34%

Daisy

24-Dec-04

31-Dec-04

02:20

03:18

02:56

16:17

59.20%

Grand

24-Dec-04

31-Dec-04

06:20

07:11

06:59

09:08

10.89%

Grotto

24-Dec-04

31-Dec-04

04:44

11:34

06:22

39:40

102.07%

Grotto (marathons)

24-Dec-04

31-Dec-04

Oblong

24-Dec-04

31-Dec-04

02:42

05:03

04:43

15:45

43.16%

Old Faithful (all intervals)

24-Dec-04

31-Dec-04

110

01:00

01:32

01:33

01:49

9.10%

Old Faithful (Long)

24-Dec-04

31-Dec-04

105

01:17

01:33

01:49

7.25%

Old Faithful (Short)

24-Dec-04

31-Dec-04

01:00

01:09

01:10

01:14

7.80%

Pyramid

4-Sep-04

11-Sep-04

02:37

03:06

03:01

04:06

11.79%

Logger went missing after 11 Sep download

Rift

24-Dec-04

31-Dec-04

12:29

15:03

14:07

26:03

24.87%

Riverside

24-Dec-04

31-Dec-04

05:55

06:07

06:04

06:44

3.74%

Riverside (Long)

24-Dec-04

31-Dec-04

06:34

06:38

06:44

1.20%

Riverside (Short)

24-Dec-04

31-Dec-04

05:55

06:02

06:03

06:10

1.15%

West Triplet

24-Dec-04

31-Dec-04

02:30

06:43

06:40

12:38

37.45%

Gap in data from 15 Sep to 19 Sep

Spouter

24-Dec-04

31-Dec-04

02:53

04:36

04:18

08:00

24.22%

Fountain Geyser

27-Oct-04

3-Nov-04

01:17

05:34

05:49

13:12

34.73%

Great Fountain

31-Oct-04

7-Nov-04

10:34

12:05

12:07

14:06

10.16%

Pink Geyser

27-Oct-04

3-Nov-04

05:13

05:49

05:43

07:49

8.67%

Echinus

23-Sep-04

30-Sep-04

03:06

03:34

03:33

04:12

6.41%

Hillside

16-Sep-04

23-Sep-04

23:56

43:28

36:43

76:32

53.86%

Lone Pine

16-Sep-04

23-Sep-04

22:54

26:27

25:46

30:42

10.45%

Activity for the most recent month

Geyser

Start Date

Last Update

Intervals

Min

Mean

Median

Max

Coef. Of Variation

Aurum

30-Nov-04

31-Dec-04

174

02:47

04:16

03:38

12:03

34.64%

Aurum logger failed after 28 August; relaunched 13 September

Beehive

30-Nov-04

31-Dec-04

08:46

15:12

15:16

26:08

24.29%

Boardwalk

25-Aug-04

25-Sep-04

188

00:31

20:12

03:07

311:47

244.65%

Depression

30-Nov-04

31-Dec-04

08:53

12:51

12:23

23:21

21.23%

Lion (series)

30-Nov-04

31-Dec-04

05:21

09:44

09:15

17:03

25.03%

Little Cub

30-Nov-04

31-Dec-04

232

00:51

02:50

01:02

121:57

388.67%

Little Squirt

30-Nov-04

31-Dec-04

65:11

78:32

82:30

87:01

10.96%

North Goggles

30-Nov-04

31-Dec-04

Last recorded eruption was 30 September

Plate

1-Dec-04

31-Dec-04

134

01:16

05:34

03:35

114:02

194.22%

Plume

30-Nov-04

31-Dec-04

358

00:48

01:25

01:14

09:27

50.70%

Reactivated 1 September, went dormant at 00:44 on 8 September

Artemisia

30-Nov-04

31-Dec-04

10:29

15:47

15:09

26:42

20.74%

Baby Daisy

30-Nov-04

31-Dec-04

173

00:32

01:01

01:02

01:44

21.52%

Castle (w/o minors)

30-Nov-04

31-Dec-04

12:20

13:00

12:54

14:46

3.75%

Castle (minor-major)

30-Nov-04

31-Dec-04

02:10

06:12

05:22

11:30

50.16%

Castle (1st post minor)

30-Nov-04

31-Dec-04

13:22

13:53

13:54

14:24

2.22%

Daisy

30-Nov-04

31-Dec-04

237

02:19

03:09

02:50

16:17

36.52%

Grand

30-Nov-04

31-Dec-04

06:18

07:18

07:11

09:08

9.41%

Grotto

30-Nov-04

31-Dec-04

04:14

10:59

06:18

45:27

88.91%

Grotto (marathons)

30-Nov-04

31-Dec-04

Oblong

30-Nov-04

31-Dec-04

148

02:26

05:02

04:47

15:45

40.56%

Old Faithful (all intervals)

30-Nov-04

31-Dec-04

487

01:00

01:31

01:32

01:57

8.54%

Old Faithful (Long)

30-Nov-04

31-Dec-04

471

01:17

01:32

01:33

01:57

7.00%

Old Faithful (Short)

30-Nov-04

31-Dec-04

01:00

01:07

01:09

01:14

7.36%

Pyramid

11-Aug-04

11-Sep-04

245

02:32

03:02

02:58

04:40

11.02%

Logger missing after 11 Sep, no further data

Rift

30-Nov-04

31-Dec-04

03:32

15:41

15:01

26:03

25.79%

Riverside

30-Nov-04

31-Dec-04

101

05:50

06:11

06:04

07:10

4.54%

Riverside (Long)

30-Nov-04

31-Dec-04

06:22

06:38

06:39

07:10

2.23%

Riverside (Short)

30-Nov-04

31-Dec-04

05:50

06:02

06:03

06:11

1.18%

West Triplet

30-Nov-04

31-Dec-04

124

02:08

06:01

05:56

13:41

45.10%

Gap in data from 15 Sep to 19 Sep

Spouter

30-Nov-04

31-Dec-04

156

02:53

04:46

04:24

08:29

25.83%

Fountain Geyser

3-Oct-04

3-Nov-04

135

01:17

05:33

05:52

13:12

28.44%

Great Fountain

7-Oct-04

7-Nov-04

10:00

12:26

11:41

20:57

17.95%

Pink Geyser

3-Oct-04

3-Nov-04

128

05:13

05:49

05:44

07:50

7.65%

Echinus

30-Aug-04

30-Sep-04

131

02:57

05:44

03:45

39:33

91.96%

Hillside

23-Aug-04

23-Sep-04

15:48

40:44

31:56

90:20

52.08%

Lone Pine

23-Aug-04

23-Sep-04

18:22

25:42

26:05

30:42

17.94%

All electronically recorded activity for 2004

Geyser

Start Date

Last Update

Intervals

Min

Mean

Median

Max

Coef. Of Variation

Aurum

1-Jan-04

31-Dec-04

1933

02:33

04:20

03:39

17:22

37.15%

Aurum logger failed after 28 August; relaunched 13 September

Beehive

3-Jul-04

31-Dec-04

287

08:19

15:11

14:59

27:58

21.02%

Only includes data from re-location of sensor in July

Boardwalk

1-Jan-04

25-Sep-04

505

00:31

18:51

03:40

1187:35

372.90%

Includes periods of dormancy and probably eruptions of "Park Place"

Depression

21-Jan-04

31-Dec-04

783

07:14

10:33

10:10

24:39

19.23%

Lion (series)

1-Jan-04

31-Dec-04

923

03:02

09:30

09:18

17:06

23.59%

Little Cub

1-Jan-04

31-Dec-04

6676

00:44

01:17

00:58

121:57

205.43%

Little Squirt

3-Jan-04

31-Dec-04

118

32:42

73:58

75:45

145:51

24.02%

North Goggles

1-Jan-04

31-Dec-04

07:03

51:07

31:22

193:22

98.45%

Logger failed after 7 April; replaced 10 July

Plate

1-Jan-04

31-Dec-04

2173

00:40

04:02

03:37

114:02

77.37%

Plume

1-Jan-04

31-Dec-04

1684

00:46

01:26

01:17

09:27

47.95%

Reactivated 1 September, went dormant at 00:44 on 8 September

Artemisia

1-Jan-04

31-Dec-04

424

07:43

13:49

13:35

26:42

19.35%

Gap in data from 4 March to 4 July

Baby Daisy

1-Jan-04

31-Dec-04

9247

00:20

00:53

01:49

24.46%

Castle (w/o minors)

1-Jan-04

31-Dec-04

358

11:45

12:45

12:44

14:46

2.83%

Castle (minor-major)

1-Jan-04

31-Dec-04

125

01:56

05:32

04:58

11:34

41.41%

Castle (1st post minor)

1-Jan-04

31-Dec-04

111

12:50

13:37

14:48

2.68%

Daisy

1-Jan-04

31-Dec-04

2991

01:59

02:55

02:48

16:17

24.09%

Grand

1-Jan-04

31-Dec-04

1022

06:04

07:47

07:34

11:43

14.49%

Grotto

1-Jan-04

31-Dec-04

874

03:01

10:03

06:05

45:27

90.92%

Grotto (marathons)

1-Jan-04

31-Dec-04

143

04:44

57:01

58:55

120:38

41.56%

Oblong

1-Jan-04

31-Dec-04

1172

02:20

07:16

06:16

47:39

60.83%

Old Faithful (all intervals)

1-Jan-04

31-Dec-04

5737

00:47

01:31

01:32

02:05

8.25%

Old Faithful (Long)

1-Jan-04

31-Dec-04

5586

01:16

01:32

02:05

6.78%

Old Faithful (Short)

1-Jan-04

31-Dec-04

151

00:47

01:05

01:06

01:15

8.39%

Pyramid

31-Jul-04

11-Sep-04

329

02:20

03:02

02:57

04:40

11.50%

Logger missing after 11 Sep; no more data this year

Rift

1-Jan-04

31-Dec-04

588

00:56

14:48

14:35

43:22

29.29%

Riverside

1-Jan-04

31-Dec-04

1030

05:44

06:10

06:02

07:10

4.65%

Gap in data from 30 Jan to 8 Apr

Riverside (Long)

1-Jan-04

31-Dec-04

295

06:20

06:36

06:37

07:10

1.44%

Gap in data from 30 Jan to 8 Apr

Riverside (Short)

1-Jan-04

31-Dec-04

735

05:44

06:00

06:18

1.28%

Gap in data from 30 Jan to 8 Apr

West Triplet

1-Jan-04

31-Dec-04

1391

00:38

06:14

06:16

27:41

47.58%

Gap in data from 15 Sep to 19 Sep

Spouter

1-Jan-04

31-Dec-04

1253

02:33

05:09

04:49

12:25

31.10%

Fountain Geyser

1-Jan-04

3-Nov-04

1046

00:16

05:23

05:42

13:12

23.19%

Gaps from 6 Mar to 8 Apr and 23 May to 3 Jul

Great Fountain

1-Jan-04

7-Nov-04

386

08:53

12:11

11:54

20:57

13.73%

Gaps from 2 Jan to 23 Jan and 31 May to 1 June

Pink Geyser

1-Jan-04

3-Nov-04

619

04:59

05:52

05:48

08:59

7.83%

Gaps from 2 Jan to 21 Jan and 22 Jan to 7 June

Echinus

1-Jan-04

30-Sep-04

462

00:54

10:44

06:48

86:06

117.37%

Gap from 12 Feb to 17 Apr

Hillside

1-Jan-04

23-Sep-04

11:40

53:28

33:40

221:42

93.24%

No data from 8 April to 12 July

Lone Pine

2-Jan-04

23-Sep-04

18:16

25:47

25:50

36:14

13.51%

Includes 4 intervals in January; no data 6 Jan-12 July