| Mammoth Mountain Snowfall History 1970-2010 | ||||||||||||||||||
| Preseason | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Season Total | |||||||
| 69-70 | 22.0 | 0.0 | 0.0 | 41.0 | 78.0 | 30.5 | 46.0 | 27.0 | 0.0 | 0.0 | 0.0 | 244.5 | U.S. Forest Service Data | |||||
| 70-71 | 60.0 | 0.0 | 0.0 | 109.0 | 29.0 | 19.5 | 24.0 | 14.0 | 0.0 | 0.0 | 0.0 | 255.5 | Mammoth Mountain Ski Patrol Data | |||||
| 71-72 | 22.0 | 0.0 | 9.0 | 139.8 | 32.2 | 11.0 | 1.0 | 53.5 | 0.0 | 0.0 | 0.0 | 268.5 | ||||||
| 72-73 | 4.0 | 0.0 | 57.1 | 64.5 | 84.9 | 103.0 | 43.0 | 10.0 | 4.0 | 0.0 | 0.0 | 370.5 | ||||||
| 73-74 | 45.0 | 0.0 | 0.0 | 45.0 | 87.5 | 9.0 | 82.0 | 38.0 | 0.0 | 0.0 | 0.0 | 306.5 | ||||||
| 74-75 | 15.0 | 0.0 | 13.0 | 58.5 | 26.0 | 101.0 | 90.0 | 75.0 | 0.0 | 0.0 | 0.0 | 378.5 | ||||||
| 75-76 | 27.0 | 0.0 | 0.0 | 14.5 | 13.5 | 54.0 | 50.0 | 38.5 | 0.0 | 0.0 | 0.0 | 197.5 | ||||||
| 76-77 | 4.0 | 0.0 | 0.0 | 0.0 | 26.0 | 27.0 | 37.0 | 0.0 | 0.0 | 0.0 | 0.0 | 94.0 | ||||||
| 77-78 | 6.0 | 0.0 | 26.0 | 98.0 | 95.5 | 97.0 | 85.5 | 78.5 | 1.0 | 0.0 | 0.0 | 487.5 | ||||||
| 78-79 | 6.0 | 0.0 | 29.5 | 51.5 | 102.5 | 96.0 | 78.0 | 11.5 | 11.5 | 0.0 | 0.0 | 386.5 | ||||||
| 79-80 | 23.0 | 0.0 | 0.0 | 56.0 | 100.0 | 133.5 | 66.5 | 38.0 | 26.5 | 1.0 | 0.0 | 444.5 | ||||||
| 80-81 | 4.0 | 0.0 | 0.0 | 19.0 | 71.5 | 17.5 | 98.0 | 15.0 | 5.0 | 0.0 | 0.0 | 230.0 | ||||||
| 81-82 | 0.0 | 0.0 | 94.0 | 29.5 | 130.5 | 28.5 | 139.0 | 74.5 | 6.5 | 0.0 | 0.0 | 502.5 | ||||||
| 82-83 | 13.0 | 0.0 | 42.0 | 105.5 | 118.5 | 97.7 | 112.3 | 52.0 | 5.3 | 0.0 | 0.0 | 546.3 | ||||||
| 83-84 | 19.0 | 0.0 | 60.4 | 101.6 | 7.3 | 32.2 | 21.8 | 28.4 | 2.6 | 0.0 | 0.0 | 273.3 | ||||||
| 84-85 | 6.0 | 0.0 | 51.5 | 43.1 | 25.6 | 45.0 | 65.6 | 0.0 | 0.0 | 0.0 | 0.0 | 236.7 | ||||||
| 85-86 | 0.0 | 0.0 | 94.2 | 45.1 | 35.8 | 168.8 | 68.4 | 15.3 | 5.0 | 0.0 | 0.0 | 432.6 | ||||||
| 86-87 | 5.0 | 0.0 | 0.0 | 0.0 | 54.7 | 69.9 | 58.0 | 8.2 | 0.0 | 0.0 | 0.0 | 195.8 | ||||||
| 87-88 | 0.0 | 0.0 | 27.0 | 66.1 | 76.7 | 9.3 | 11.1 | 33.1 | 6.7 | 0.0 | 0.0 | 230.0 | ||||||
| 88-89 | 0.0 | 0.0 | 34.2 | 74.7 | 10.2 | 35.8 | 67.0 | 12.7 | 16.8 | 0.0 | 0.0 | 251.4 | ||||||
| 89-90 | 0.0 | 16.0 | 17.9 | 2.0 | 62.5 | 71.8 | 23.0 | 17.1 | 4.0 | 0.0 | 0.0 | 214.2 | ||||||
| 90-91 | 0.0 | 0.0 | 6.8 | 27.8 | 11.4 | 6.3 | 176.0 | 5.9 | 7.8 | 0.0 | 0.0 | 241.9 | ||||||
| 91-92 | 17.0 | 0.0 | 24.2 | 45.1 | 16.7 | 94.9 | 24.0 | 4.1 | 0.0 | 0.0 | 0.0 | 226.0 | ||||||
| 92-93 | 0.0 | 23.5 | 0.5 | 102.1 | 161.5 | 134.5 | 38.3 | 11.9 | 0.2 | 0.0 | 0.0 | 472.4 | ||||||
| 93-94 | 0.0 | 0.0 | 19.2 | 27.2 | 27.8 | 118.4 | 25.3 | 39.4 | 17.8 | 0.0 | 0.0 | 275.1 | ||||||
| 94-95 | 0.0 | 0.0 | 87.3 | 53.7 | 182.0 | 17.7 | 139.7 | 34.0 | 25.8 | 0.0 | 0.0 | 540.2 | ||||||
| 95-96 | 0.0 | 0.0 | 0.0 | 52.7 | 76.6 | 106.4 | 41.7 | 40.1 | 3.7 | 0.0 | 0.0 | 321.2 | ||||||
| 96-97 | 5.0 | 25.5 | 33.4 | 130.2 | 121.6 | 6.5 | 0.1 | 1.5 | 0.0 | 0.0 | 0.0 | 323.8 | ||||||
| 97-98 | 1.0 | 0.0 | 36.5 | 41.7 | 98.2 | 159.3 | 58.7 | 35.0 | 21.0 | 0.0 | 0.0 | 451.4 | ||||||
| 98-99 | 5.0 | 0.0 | 40.5 | 37.0 | 78.5 | 73.8 | 42.5 | 55.1 | 0.0 | 0.0 | 0.0 | 332.4 | ||||||
| 99-00 | 0.0 | 0.0 | 21.5 | 3.1 | 121.4 | 136.1 | 48.6 | 41.0 | 11.0 | 0.0 | 0.0 | 382.7 | ||||||
| 00-01 | 0.0 | 38.0 | 22.8 | 9.0 | 68.8 | 124.1 | 60.3 | 70.9 | 0.0 | 0.0 | 0.0 | 393.9 | ||||||
| 01-02 | 0.0 | 6.0 | 43.8 | 97.1 | 37.4 | 28.1 | 45.5 | 25.9 | 15.8 | 0.0 | 0.0 | 299.6 | ||||||
| 02-03 | 3.0 | 0.0 | 25.0 | 134.4 | 8.6 | 33.9 | 30.3 | 96.0 | 24.8 | 0.0 | 0.0 | 356.0 | ||||||
| 03-04 | 6.0 | 0.0 | 23.0 | 124.9 | 51.6 | 108.6 | 20.9 | 13.7 | 0.2 | 0.0 | 0.0 | 348.9 | ||||||
| 04-05 | 0.0 | 85.6 | 28.3 | 109.3 | 127.0 | 72.9 | 85.6 | 35.5 | 25.1 | 0.8 | 0.0 | 570.1 | ||||||
| 05-06 | 0.0 | 0.0 | 23.4 | 107.8 | 112.4 | 48.1 | 164.1 | 118.4 | 4.3 | 0.0 | 0.0 | 578.5 | ||||||
| 06-07 | 0.0 | 4.0 | 5.5 | 56.5 | 11.0 | 100.5 | 13.0 | 26.5 | 5.0 | 0.0 | 0.0 | 222.0 | ||||||
| 07-08 | 10.0 | 1.0 | 4.5 | 65.5 | 126.5 | 89.0 | 16.5 | 2.5 | 18.0 | 0.0 | 0.0 | 333.5 | ||||||
| 08-09 | 0.0 | 10.0 | 26.5 | 120.5 | 63.0 | 144.0 | 62.5 | 30.0 | 11.0 | 2.0 | 0.0 | 469.5 | ||||||
| 09-10 | 0.0 | 34.5 | 17.5 | 95.5 | 121.5 | 106.0 | 60.0 | 80.0 | 18.0 | 0.0 | 0.0 | 533.0 | ||||||
| 10-11 | 0.0 | 9.0 | 83.5 | 197.5 | 28.0 | 97.0 | 174.0 | 29.5 | 38.0 | 5.0 | 0.0 | 661.5 | ||||||
| 11-12 | - | 19.5 | 30.0 | 2.0 | 55.0 | 1.0 | 107.5 | |||||||||||
| Preseason | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Season Total | |||||||
| 70-11 Avg | 7.8 | 6.0 | 26.9 | 66.7 | 69.5 | 73.0 | 61.8 | 34.2 | 8.2 | 0.2 | 0.0 | 354.3 | ||||||
| Units are inches | ||||||||||||||||||
| If October and early November snowfall was not measured, preseason snow is the base depth at the first observation of the season. | ||||||||||||||||||