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Spring 1969 Weather History at Eielson Air Force Base Alaska, United States

This report shows the past weather for Eielson Air Force Base, providing a weather history for the spring of 1969. It features all historical weather data series we have available, including the Eielson Air Force Base temperature history for the spring of 1969. You can drill down from year to month and even day level reports by clicking on the graphs.

Eielson Air Force Base Temperature History in the Spring of 1969

History:197319721970196919681967196619651964
Temperature history in the Spring of 1969 at Eielson Air Force BaseMarAprMay-60°F-60°F-40°F-40°F-20°F-20°F0°F0°F20°F20°F40°F40°F60°F60°F80°F80°F100°F100°FWinterSummer
The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to 75th and 10th to 90th percentile bands.

Hourly Temperature in the Spring of 1969 at Eielson Air Force Base

History:197319721970196919681967196619651964
Hourly Temperature in the Spring of 1969 at Eielson Air Force BaseMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummerfrigidcoolcoldvery cold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The hourly reported temperature, color coded into bands. The shaded overlays indicate night and civil twilight.
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Cloud Cover in the Spring of 1969 at Eielson Air Force Base

History:197319721970196919681967196619651964
Cloud Cover in the Spring of 1969 at Eielson Air Force BaseMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
no significant cloudno cloud detectedceiling and visibility ok
The hourly reported cloud coverage, categorized by the percentage of the sky covered by clouds.

Observed Weather in the Spring of 1969 at Eielson Air Force Base

History:197319721970196919681967196619651964
Observed Weather in the Spring of 1969 at Eielson Air Force BaseMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
foghazedrizzlelight rainmoderate rainheavy rainfreezing rainsleetsnow grainslight snowmoderate snowheavy snowhailthunderstorm
The hourly observed weather, color coded by category (in order of severity). If multiple reports are present, the most severe code is shown.
DayObservationsPrecipitationCodes
Wed, Mar 12 Light Snow, Ice Crystals, Fog-SN, IC, FG
Thu, Mar 13 Light Snow-SN
Sun, Mar 16 Light Snow-SN
Thu, Mar 20 Light Snow-SN
Fri, Mar 21 Snow, Light Snow, Showers of Light SnowSN, -SN, -SHSN
Sat, Mar 22 Snow, Light Snow, Snow GrainsSN, -SN, SG
Sun, Mar 23 Light Snow-SN
Mon, Mar 24 Light Snow, Fog-SN, FG
Tue, Mar 25 Light Snow, Ice Crystals-SN, IC
Wed, Mar 26 Light Snow, Showers of Light Snow, Snow Grains-SN, -SHSN, SG
Thu, Mar 27 Light Snow-SN
Thu, Apr 3 Light Snow, Showers of Light Snow, Light Blowing Snow-SN, -SHSN, -BLSN
Fri, Apr 4 Light Snow-SN
Sat, May 3 Light Rain-RA
Thu, May 8 Light Rain, Showers of Light Rain-RA, -SHRA
Fri, May 9 Showers of Light Rain and Ice Pellets-SHRAPL
Mon, May 12 Showers of Light Rain-SHRA
Tue, May 13 Light Rain, Showers of Light Rain-RA, -SHRA
Wed, May 14 FogFG
Fri, May 16 Light Rain-RA
Thu, May 22 Light Rain, Showers of Light Rain-RA, -SHRA
Fri, May 23 Light Rain, Fog-RA, FG
Mon, May 26 Showers of Light Rain and Snow, Showers of Light Rain-SHRASN, -SHRA
Tue, May 27 Showers of Light Snow, Showers of Light Rain and Snow-SHSN, -SHRASN
Sat, May 31 Light Rain-RA

Hours of Daylight and Twilight in the Spring of 1969 at Eielson Air Force Base

History:197319721970196919681967196619651964
Hours of Daylight and Twilight in the Spring of 1969 at Eielson Air Force BaseMarAprMay0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrWinterSummer12 hr, 10 minMar 2012 hr, 10 minMar 20nightnightdayday
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

Sunrise & Sunset with Twilight and Daylight Saving Time in the Spring of 1969 at Eielson Air Force Base

History:197319721970196919681967196619651964
Sunrise & Sunset with Twilight and Daylight Saving Time in the Spring of 1969 at Eielson Air Force BaseMarAprMay12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMWinterSummer2:35 AM2:35 AM10:58 PMMay 3110:58 PMMay 316:56 AM6:56 AM5:05 PMMar 15:05 PMMar 15:44 AM5:44 AM6:07 PMMar 216:07 PMMar 21Apr 27DSTApr 27DST
The solar day over the course of the Spring of 1969. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

Solar Elevation and Azimuth in the Spring of 1969 at Eielson Air Force Base

History:197319721970196919681967196619651964
Solar Elevation and Azimuth in the Spring of 1969 at Eielson Air Force BaseMarAprMay12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMWinterSummer002020300010103040
northeastsouthwest
Solar elevation and azimuth in the the spring of 1969. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

Moon Rise, Set & Phases in the Spring of 1969 at Eielson Air Force Base

History:197319721970196919681967196619651964
Moon Rise, Set & Phases in the Spring of 1969 at Eielson Air Force BaseMarAprMay12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMWinterSummerFeb 22:56 AMFeb 22:56 AMFeb 166:25 AMFeb 166:25 AMMar 37:17 PMMar 37:17 PMMar 176:52 PMMar 176:52 PMApr 28:45 AMApr 28:45 AMApr 168:16 AMApr 168:16 AMMay 18:14 PMMay 18:14 PMMay 1511:26 PMMay 1511:26 PMJun 142:09 PMJun 142:09 PM8:21 AM8:21 AM4:43 PM4:43 PM7:05 AM7:05 AM6:13 AM6:13 AM5:39 PM5:39 PM4:59 AM4:59 AM3:56 AM3:56 AM9:50 PM9:50 PM12:00 AM12:00 AM12:00 AM12:00 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

Humidity Comfort Levels in the Spring of 1969 at Eielson Air Force Base

History:197319721970196919681967196619651964
Humidity Comfort Levels in the Spring of 1969 at Eielson Air Force BaseMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The hourly reported humidity comfort level, categorized by dew point. The shaded overlays indicate night and civil twilight.

Wind Speed in the Spring of 1969 at Eielson Air Force Base

History:197319721970196919681967196619651964
Wind Speed in the Spring of 1969 at Eielson Air Force BaseMarAprMay0 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mph20 mph20 mph25 mph25 mph30 mph30 mphWinterSummer
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in the Spring of 1969 at Eielson Air Force Base

History:197319721970196919681967196619651964
Hourly Wind Speed in the Spring of 1969 at Eielson Air Force BaseMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
0 mph calm 1 mph light air 4 mph light breeze 8 mph gentle breeze 13 mph moderate breeze 18 mph fresh breeze 25 mph strong breeze 31 mph near gale 39 mph gale 47 mph strong gale 55 mph storm 64 mph violent storm 73 mph hurricane force
The hourly reported wind speed, color coded into bands according to the Beaufort scale. The shaded overlays indicate night and civil twilight.
Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Growing Degree Days in the Spring of 1969 at Eielson Air Force Base

History:197319721970196919681967196619651964
Growing Degree Days in the Spring of 1969 at Eielson Air Force BaseMarAprMay0°F0°F200°F200°F400°F400°F600°F600°F800°F800°F1,000°F1,000°F1,200°F1,200°FWinterSummer
The growing degree days accumulated from reported temperatures over the course of the spring (solid black line), placed over the average accumulation (faint line), with 25th to 75th and 10th to 90th percentile bands. Gaps indicate days without enough temperature reports to calculate a complete daily value; totals following gaps may therefore be understated.

Hourly Wind Direction in 1969 at Eielson Air Force Base

History:197319721970196919681967196619651964
Hourly Wind Direction in 1969 at Eielson Air Force BaseMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Reports by Month

Reports by Month at Eielson Air Force Base19401950196019701980199020002010202019441944194519451946194619471947194819481949194919501950195119511952195219531953195419541955195519561956195719571958195819591959196019601961196119621962196319631964196419651965196619661967196719681968196919691970197019721972197319731974197419751975197619761977197719781978197919791980198019811981198219821983198319841984198519851986198619871987198819881989198919901990199119911992199219931993199419941995199519961996199719971998199819991999200020002001200120022002200320032004200420052005200620062007200720082008200920092010201020112011201220122013201320142014201520152016201620172017201820182019201920202020202120212022202220232023202420242025202520262026
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in the Spring of 1969 at Eielson Air Force Base 1969

Number of Reports by Day in the Spring of 1969 at Eielson Air Force BaseMarAprMay0024244848WinterSummer
regularspecialcorrection
The number of reports per day.

Reports by Hour in the Spring of 1969 at Eielson Air Force Base 1969

Reports by Hour in the Spring of 1969 at Eielson Air Force BaseMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
regularspecialcorrection
Indication of what types of reports were recorded during each hour.

This report graphically illustrates the historical weather reports recorded by the weather station at Eielson Air Force Base in the spring of 1969.

METAR Reports

Airport weather stations throughout the world routinely issue METAR weather reports . Such reports are used by pilots, air traffic controllers, meteorologists, climatologists, and other researchers. They are published via radio transmission and on the internet. We have been collecting and archiving published METAR reports since 2011, and have found third-party sources for archived reports from years prior to that.

ISD Reports

The Integrated Surface Database (ISD), maintained and published by NOAA's National Center for Environmental Information , consists of hourly and synoptic weather reports from a variety of sources. We use ISD data to complement and backfill for our METAR archive.

Other Data

The sources for the averages shown in the daily temperature chart are discussed in greater detail on this station's Averages Report.

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

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