Towards Next Generation National Precipitation Frequency Estimates

Current and Projected Precipitation Frequency Estimates for a Point | NOAA Atlas 15 Pilot: Version 1.p

Note: These data are for comparison and feedback, as they have NOT undergone peer review. This page is not supported 24/7 and may be modified without advance notice.

Supporting documentation for the NOAA Atlas 15 Pilot is available HERE.

Volume 1
Current Estimates as of 2023
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, MT (47.7200°N, -109.4809°E)
Volume 2🅘
Projected Estimates
Precipitation Type
Units

Precipitation depth versus AEP with set Duration

Created with Highcharts 11.4.8Annual Exceedance Probability (%)Precipitation depth (In)60m PF Estimates with null% Confidence IntervalsLocation: , MT  Coordinates: 47.7200°N, -109.4809°E  Elevation: ftCurrent boundsProjected​GTI | 3°C boundsAdditional Projection​GTI | 1.5°C boundsCurrentProjected​GTI | 3°CAdditional Projection​GTI | 1.5°CLegend​(Click name to hide)50%20%10%4%2%1%0.511.522.50


Precipitation Frequency Estimates

Duration AEP Current (In) Global Temperature Index | 3°C (In) Global Temperature Index | 1.5°C (In)
60m 50%
0.503
(0.453 - 0.560)
0.534
(0.479 - 0.595)
0.507
(0.457 - 0.564)
60m 20%
0.733
(0.650 - 0.832)
0.783
(0.692 - 0.891)
0.741
(0.656 - 0.841)
60m 10%
0.923
(0.808 - 1.07)
0.989
(0.863 - 1.14)
0.933
(0.815 - 1.08)
60m 4%
1.21
(1.04 - 1.43)
1.30
(1.12 - 1.53)
1.23
(1.05 - 1.44)
60m 2%
1.47
(1.24 - 1.76)
1.59
(1.33 - 1.90)
1.49
(1.25 - 1.78)
60m 1%
1.78
(1.47 - 2.16)
1.92
(1.58 - 2.33)
1.80
(1.48 - 2.18)