GEYSER TIME TABLE
Reading edition
Corrected by observations made during season 1910. From Haynes' Official Guide—Yellowstone National Park
NAME HEIGHT FEET DURATION INTERVALS OF ERUPTIONS
UPPER BASIN Artemesia 50 10 minutes 12 to 24 hours
Bee-Hive 200 8 minutes 12 hours to 40 days
Castle 75 30 minutes 26 hours (freq. misses)
Cliff 100 8 minutes 4 to 8 hours
Comet 60 1 minute Irregular
Cub (Big) 30 10 minutes With Lioness Geyser
Cub (Little) 10 3 minutes With Lion Geyser
Daisy 75 2 minutes 45 to 60 minutes
Economic 20 10 seconds Follows Grand and plays every 5 min. for 2 days
Fan 60 10 minutes 4 to 6 hours
Giant 250 90 minutes 7 to 12 days
Giantess 150 12-24 hours 16 to 25 days
Grand 200 40-80 minutes 2 to 20 days
Grotto 30 30 minutes 2 to 5 hours
Jewel 40 1 minute 5 minutes
Lion 60 8 minutes 6 to 12 hours
Lioness 100 10 minutes 15 to 20 days
Lone Star 75 10 minutes 1 to 2 hours
Mortar 30 5 minutes 2 hours
Oblong 35 5 minutes 7 to 8 hours
Old Faithful 150 4 minutes 65 to 75 minutes
Riverside 100 15 minutes 7 hours
Saw-Mill 35 2 hours 2 to 3 hours
Spasmodic 4 2 minutes 2 to 3 hours
Splendid 200 ———— Ceased to play about 1892
Surprise 100 2 minutes Irregular
Turban 40 20 minutes With Grand Geyser
LOWER BASIN Fountain 75 20 minutes 3 to 6 hours
Great Fountain 100 30 minutes 8 to 12 hours
MIDWAY BASIN Excelsior 300 Variable 1 to 4 hours, ceased in 1888
NORRIS BASIN Constant 20 10 seconds 30 seconds
Fearless 25 15 minutes 3 hours
Minute Man 15 1-3 minutes 1 to 3 minutes
Monarch 100 6 minutes 6 hours
Mud 20-60 1-2 minutes New, irregular
New Crater 20 1 minute 3 minutes
Valentine 100 40 minutes 7-1/2 hours