W50S8X26QA028_QMSN262004_CRHP_SF1442_Atch-01_Weather_Data.pdf
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This document is a climatological data summary from the National Oceanic and Atmospheric Administration (NOAA) National Centers for Environmental Information, presenting monthly precipitation normals for Moffett Federal Airfield, California (Station USW00023244) based on the 1991-2020 period.
The document provides comprehensive precipitation statistics including monthly mean totals, frequency of precipitation events at various thresholds (≥0.01, ≥0.10, ≥0.50, and ≥1.00 inches), and probability distributions for monthly precipitation amounts. Annual precipitation averages 13.45 inches with significant seasonal variation—October through March represents the wet season with monthly means ranging from 0.56 to 2.90 inches, while June through August shows minimal precipitation with means near zero. The data includes 65.7 mean number of days with measurable precipitation (≥0.01 inches) annually, with January and February being the wettest months. Precipitation probability levels are provided at the 0.25, 0.50, and 0.75 quantiles to support planning and analysis. This reference climatological data is not related to federal contract solicitation and appears to be included as background environmental information.
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U.S. Department of Commerce National Centers for Environmental Information
National Oceanic & Atmospheric Administration 151 Patton Avenue
National Environmental Satellite, Data, and Information Service Asheville, North Carolina 28801
Current Location: Elev: 39 ft. Lat: 37.4058° N Lon: 122.0481° W
Station: MOFFETT FEDERAL AIRFIELD, CA US USW00023244
Summary of Monthly Normals 1991-2020
Generated on 08/20/2026
Precipitation (in.)
Totals Mean Number of Days Precipitation Probabilities
Probability that precipitation will be equal to or less than the indicated amount
Means Daily Precipitation Monthly Precipitation
vs. Probability Levels
Month Mean >= 0.01 >= 0.10 >= 0.50 >= 1.00 0.25 0.50 0.75
01 2.49 10.8 5.0 1.5 0.4 0.92 2.25 3.77
02 2.90 11.3 6.3 1.9 0.5 1.02 2.72 4.35
03 2.04 10.2 5.6 1.0 0.1 1.00 1.65 2.82
04 0.98 5.6 3.0 0.3 0.0 0.26 0.87 1.41
05 0.43 2.5 1.0 0.2 0.0 0.02 0.25 0.62
06 0.10 1.1 0.4 0.0 0.0 0.00 0.05 0.12
07 0.00 0.1 0.0 0.0 0.0 0.00 0.00 0.00
08 0.01 0.2 0.0 0.0 0.0 0.00 0.00 0.00
09 0.07 0.8 0.2 0.0 0.0 0.00 0.01 0.06
10 0.56 4.0 1.6 0.3 0.1 0.06 0.33 0.76
11 1.36 8.6 3.3 0.6 0.2 0.50 1.20 1.99
12 2.51 10.5 5.8 1.4 0.5 1.05 1.68 4.13
Summary 13.45 65.7 32.2 7.2 1.8 4.83 11.01 20.03
Empty or blank cells indicate data is missing or insufficient occurrences to compute value
File details come from the government source that posted it. Updated .