Overview Realtime Historical Map View

Us-40 Mayflower Summit Historical Data

Historical Data


Date Snowpack SWE Snowfall Air Temperature
2026-05-09 0.1"
2026-05-10 1.3"
2026-05-11 0.1"
2026-05-12 1.3"
2026-05-13 0.1"
2026-05-14 0.5"
2026-05-15 0.8"
2026-05-16 0.4"
2026-05-17 0.4"
2026-05-18 0.1"
2026-05-19 0.2"
2026-05-20 0.1"
2026-05-21 0.2"
2026-05-22 0.9"
2026-05-23 0.4"
2026-05-24 0.7"
2026-05-25 0.5"
2026-05-26 0.8"
2026-05-27 0.2"
2026-05-28 0.1"
2026-05-29 0.2"
2026-05-30 1.4"
2026-05-31 1.4"
2026-06-01 0.2"
2026-06-02 0.5"
2026-06-03 1.2"
2026-06-04 0.7"
2026-06-05 0.2"
2026-06-06 0.0"
2026-06-07 0.1"
2026-06-08 0.3"
2026-06-09 0.1"
2026-06-10 0.0"
2026-06-11 0.1"
2026-06-12 0.1"
2026-06-13 0.5"
2026-06-14 0.0"
2026-06-15 0.0"
2026-06-16 0.7"
2026-06-17 0.0"
2026-06-18 1.2"
2026-06-19 0.2"
2026-06-20 4.0"
2026-06-21 2.2"
2026-06-22 0.6"
2026-06-23 0.1"
2026-06-24 0.2"
2026-06-25 0.9"
2026-06-26 0.0"
2026-06-27 0.5"
2026-06-28 0.4"
2026-06-29 2.9"
2026-06-30 0.0"
2026-07-01 0.7"
2026-07-02 0.3"
2026-07-03 0.4"
2026-07-04 1.7"
2026-07-05 0.2"
2026-07-06 2.1"
2026-07-08 0.2"
2026-07-09 2.0"
2026-07-10 0.3"
2026-07-11 0.3"
2026-07-12 2.0"
2026-07-13 0.1"
2026-07-14 1.8"
2026-07-15 0.1"
2026-07-16 0.1"
2026-07-17 1.2"
2026-07-18 1.0"
2026-07-19 0.1"
2026-07-20 0.7"
2026-07-21 0.2"

Snowfall Calendar


Date Average 2026

Annual Peak Snowpack


Seasonal Comparison


Oceanic Nino Index