How Many Inches on Average Does Anchorage Receive in July? Reading a Climograph
Anchorage, Alaska has a subarctic climate with the code Dfc co-ordinate to the Köppen climate classification due to its short, cool summers. Average daytime summer temperatures range from approximately 55 to 78 °F (12.8 to 25.half-dozen °C); boilerplate daytime winter temperatures are about 5 to thirty °F (−fifteen.0 to −1.1 °C). Anchorage has a frost-free growing season that averages slightly over one hundred days.
Boilerplate January low and high temperatures at Ted Stevens Anchorage International Aerodrome (PANC) are 11 / 23 °F (−11.7 / −v.0 °C) with an average wintertime snowfall of 75.59 inches, or one.92 meters.[1] Farther afield at the Campbell Airstrip is another weather station recording colder nighttime temperatures in both summer and winter.[2]
The weather condition on whatever given day and indeed for entire seasons tin can exist very unpredictable. Some winters feature several anxiety of snowfall and cold temperatures, while others like that of 1976–77[three] (in the Jan of which Anchorage amazingly averaged 2.7 °F or ane.5 °C warmer than Atlanta almost 30 degrees closer to the equator),[4] just a human foot or two of snowfall and frequent thaws, which put dangerous ice on the streets.
On March 17, 2002, there was a storm causing 22 in (56 cm) of snowfall[five] closing schools for the next 2 days. The storm broke the city record for the most snow in a single day. The storm, which started the evening of March xvi, easily surpassed the onetime tape of 15.half-dozen inches or 0.40 metres recorded on 28 December and 29 December, 1955. On March 17, 22 inches or 0.56 metres were measured by the National Weather Service,[6] [7] topping the old record of 15.6 inches or 0.xl metres assault December 29, 1955.[7]
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The 2011–2012 winter had 134.5 inches or three.42 metres, making it the snowiest winter on record, while the to the lowest degree snowy winter on record was 2014–2015 (25.one inches or 0.64 metres).[7] The coldest temperature ever recorded at the original weather station located at Merrill Field on the East cease of 5th Avenue was −38 °F or −38.9 °C on February 3, 1947.[eight]
Due to its proximity to active volcanoes, ash hazards are a meaning, though infrequent, occurrence. The most recent notable incident was an Baronial 1992 eruption of Mt. Spurr, which is located 78 mi (126 km) due west of the urban center.[9] The eruption deposited about iii mm (0.12 in) of volcanic ash on the city. The clean-up of ash resulted in excessive demands for water and caused major problems for the Anchorage Water and Wastewater Utility.
Summers are typically balmy (although cool compared to the contiguous United states of america and even interior Alaska), though it can rain frequently. Boilerplate July depression and high temperatures are 52 / 66 °F (xi.i / 18.9 °C) and the hottest reading ever recorded was 90 °F or 32.2 °C on July 4, 2019.[10] The average annual precipitation at the airport is 16.63 inches or 422.four millimetres.[one]
Because of Anchorage'southward loftier latitude, summer days are very long and winter daylight hours are very curt. Anchorage is often cloudy during the wintertime, which decreases the corporeality of sunlight experienced by residents.[11]
Classifications [edit]
| Climatic scheme | Initials | Description |
|---|---|---|
| Köppen system[12] | Dfc | Continental subarctic climate[a] |
| Trewartha system[13] [fourteen] | E | Boreal climate |
| Alisov organisation[15] | N/A | Temperate climate[b] |
| Strahler organisation[sixteen] | N/A | Boreal wood climate |
| Thornthwaite system[17] | | Humid and microthermal |
| Neef organisation[eighteen] [19] | N/A | Due west side/maritime climate |
Data [edit]
NWS Function/International Airport [edit]
| Climate data for Ted Stevens Anchorage International Airport (1991−2020 normals,[20] extremes 1953−nowadays) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | April | May | Jun | Jul | Aug | Sep | October | Nov | Dec | Twelvemonth |
| Tape high °F (°C) | 50 (ten) | 49 (nine) | 53 (12) | 69 (21) | 77 (25) | 85 (29) | xc (32) | 82 (28) | 73 (23) | 64 (18) | 54 (12) | 51 (11) | 90 (32) |
| Mean maximum °F (°C) | 42 (6) | 43 (6) | 44 (7) | 56 (13) | 70 (21) | 74 (23) | 76 (24) | 74 (23) | 65 (18) | 55 (xiii) | 43 (half dozen) | 42 (vi) | 78 (26) |
| Boilerplate high °F (°C) | 22.7 (−5.two) | 27.3 (−2.half dozen) | 33.0 (0.6) | 45.1 (7.3) | 56.three (xiii.5) | 63.4 (17.iv) | 66.two (xix.0) | 64.0 (17.8) | 55.7 (xiii.ii) | 42.0 (v.6) | 28.ix (−ane.7) | 25.0 (−iii.nine) | 44.1 (six.seven) |
| Daily mean °F (°C) | 16.nine (−8.iv) | 21.three (−v.9) | 25.8 (−3.iv) | 37.five (3.ane) | 48.one (8.9) | 55.9 (thirteen.3) | 59.6 (15.3) | 57.v (xiv.2) | 49.three (nine.6) | 36.3 (2.4) | 23.six (−four.7) | 19.iv (−seven.0) | 37.vi (iii.1) |
| Average low °F (°C) | 11.0 (−xi.7) | 15.2 (−nine.3) | 18.6 (−7.4) | 29.9 (−1.2) | xl.0 (4.4) | 48.4 (ix.1) | 52.9 (11.6) | fifty.9 (10.five) | 42.9 (6.1) | thirty.seven (−0.vii) | 18.3 (−seven.six) | thirteen.8 (−10.one) | 31.0 (−0.vi) |
| Mean minimum °F (°C) | −ix (−23) | −4 (−20) | i (−17) | 18 (−viii) | 31 (−1) | xl (four) | 47 (8) | 43 (6) | 31 (−one) | xvi (−nine) | one (−17) | −v (−21) | −13 (−25) |
| Record low °F (°C) | −34 (−37) | −28 (−33) | −24 (−31) | −4 (−twenty) | 17 (−8) | 33 (1) | 36 (ii) | 31 (−ane) | 19 (−seven) | −five (−21) | −21 (−29) | −30 (−34) | −34 (−37) |
| Average precipitation inches (mm) | 0.75 (19) | 0.86 (22) | 0.69 (18) | 0.43 (11) | 0.65 (17) | 1.02 (26) | ane.82 (46) | ii.93 (74) | 3.10 (79) | 1.82 (46) | i.19 (30) | 1.sixteen (29) | 16.42 (417) |
| Average snowfall inches (cm) | 12.4 (31) | xiii.4 (34) | 11.0 (28) | four.0 (ten) | 0.three (0.76) | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | 0.4 (1.0) | v.six (14) | 12.half dozen (32) | 18.two (46) | 77.ix (198) |
| Boilerplate precipitation days (≥ 0.01 in) | 8.one | 7.9 | half-dozen.0 | 4.9 | 6.five | eight.6 | 11.7 | 14.4 | xiv.nine | 11.five | 9.8 | 10.8 | 115.i |
| Boilerplate snowy days (≥ 0.1 in) | eight.viii | 7.eight | vi.1 | two.5 | 0.3 | 0.0 | 0.0 | 0.0 | 0.iii | 3.2 | seven.seven | ten.8 | 47.5 |
| Average relative humidity (%) | 73.4 | 71.iv | 66.1 | 64.3 | 61.6 | 65.6 | 71.four | 75.1 | 75.9 | 74.v | 77.one | 77.ane | 71.ane |
| Average dew point °F (°C) | 8.1 (−13.3) | xi.1 (−11.vi) | fifteen.4 (−ix.2) | 24.1 (−4.4) | 33.iv (0.eight) | 42.4 (5.8) | 48.6 (9.2) | 47.8 (eight.8) | twoscore.6 (four.8) | 27.0 (−2.viii) | fifteen.3 (−9.3) | 10.6 (−eleven.9) | 27.0 (−2.viii) |
| Hateful monthly sunshine hours | 82.9 | 120.5 | 195.8 | 235.3 | 288.7 | 274.vii | 250.1 | 203.9 | 159.8 | 117.one | 80.6 | 51.viii | 2,061.2 |
| Pct possible sunshine | 41 | 48 | 53 | 53 | 53 | 48 | 44 | 42 | 41 | 38 | 37 | xxx | 46 |
| Average ultraviolet index | 0 | 0 | 1 | 2 | iv | 5 | 5 | four | 2 | 1 | 0 | 0 | 2 |
| Source i: NOAA (relative humidity and sun 1961–1990)[21] [22] [23] | |||||||||||||
| Source 2: Weather Atlas (UV)[24] | |||||||||||||
| Climate data for Anchorage | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | November | Dec | Year |
| Average bounding main temperature °F (°C) | 36.9 (two.eight) | 35.8 (2.1) | 36.one (2.3) | 37.v (3.0) | 42.4 (v.8) | 47.7 (viii.eight) | 52.iv (eleven.3) | 53.one (11.7) | 51.vi (10.9) | 47.v (8.6) | 43.0 (6.i) | 39.6 (iv.2) | 43.6 (6.5) |
| Mean daily daylight hours | seven.0 | 9.0 | 12.0 | 15.0 | 18.0 | 19.0 | 18.0 | 16.0 | xiii.0 | 10.0 | vii.0 | 6.0 | 12.5 |
| Source: Weather condition Atlas[24] | |||||||||||||
See or edit raw graph information.
Campbell Airstrip [edit]
| Climate data for Campbell Airstrip (Anchorage Alaska) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Calendar month | Jan | Feb | Mar | April | May | Jun | Jul | Aug | Sep | October | Nov | Dec | Twelvemonth |
| Average high °F (°C) | xx (−7) | 26 (−3) | 35 (two) | 45 (7) | 58 (fourteen) | 66 (19) | 68 (20) | 65 (eighteen) | 55 (13) | 41 (5) | 26 (−3) | 22 (−6) | 44 (7) |
| Average low °F (°C) | 2 (−17) | iv (−16) | 9 (−13) | 22 (−six) | 33 (i) | 41 (5) | 47 (8) | 44 (7) | 35 (2) | 22 (−six) | 7 (−fourteen) | 5 (−15) | 23 (−five) |
| Average snowfall inches (cm) | ten (25) | sixteen (41) | 18 (46) | 9 (23) | 0.2 (0.51) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 9 (23) | 11 (28) | 2 (5.1) | 75.two (191.61) |
| Source: NOAA[25] | |||||||||||||
Notes [edit]
- ^ Or simply subarctic climate
- ^ Mid-latitude temperate interior climate
References [edit]
- ^ a b "NowData - NOAA Online Conditions Data". National Oceanic and Atmospheric Assistants. Retrieved 2011-05-22 .
- ^ "Climate".
- ^ Namias, Joseph; 'Multiple Causes of the N American Abnormal Winter, 1976-77'; in Monthly Weather Review 106: 279-295
- ^ Wagner, A. James (1977). "Atmospheric condition and Apportionment of January 1977 — The Coldest Calendar month on Record in the Ohio Valley". Monthly Atmospheric condition Review. 105: 553–560. Bibcode:1977MWRv..105..553W. doi:10.1175/1520-0493(1977)105<0553:WACOJ>2.0.CO;2.
- ^ "PAFC March 2002 Atmospheric precipitation". National Weather Service. March 2002. Archived from the original on 2011-07-28. Retrieved 2011-05-22 .
- ^ "PAFC March 2002 Precipitation". National Weather Service. March 2002. Archived from the original on 2011-07-28. Retrieved 2011-05-22 .
- ^ a b c "Snowfall Records for Anchorage Alaska" (PDF). National Oceanic and Atmospheric Administration. Archived from the original (PDF) on 2013-02-20. Retrieved 2012-04-01 .
- ^ "Temperature Records for Anchorage Alaska" (PDF). National Oceanic and Atmospheric Administration. Archived from the original (PDF) on 2013-02-xx. Retrieved 2012-04-01 .
- ^ "Mt. Spurr's 1992 Eruptions". Alaska Volcano Observatory. Archived from the original on 2008-12-09. Retrieved 2008-11-26 .
- ^ Service, NOAA'due south National Weather. "NWSChat - NOAA's National Weather Service". nwschat.weather condition.gov . Retrieved 2019-08-06 .
- ^ For Nov, December, and January, average monthly percent possible sunshine (the hours of direct sunlight experienced, divided by the possible hours of sunlight for the location) is below 35%. Encounter "Archived copy". Archived from the original on 2012-10-nineteen. Retrieved 2012-ten-15 .
{{cite web}}: CS1 maint: archived copy as title (link) for an explanation of the concept "percent possible sunlight." Data from Information Through 2005 Average Pct Possible Sunshine Archived 2008-06-17 at the Wayback Car. National Climatic Data Centre. Terminal accessed Nov twenty, 2006. - ^ "Anchorage - Academy of Alaska, Alaska Köppen Climate Nomenclature (Weatherbase)". Weatherbase . Retrieved 2019-07-03 .
- ^ "GLOBAL ECOLOGICAL ZONING FOR THE GLOBAL FOREST RESOURCES ASSESSMENT 2000". www.fao.org . Retrieved 2019-07-01 .
- ^ "Trewartha maps". kkh.ltrr.arizona.edu . Retrieved 2019-07-03 .
- ^ Cmapm, Kliimavöötmed svg: Urmasderivative work (2011-06-16), Русский: Климатические пояса Земли по Б. П. Алисову. , retrieved 2019-07-01
- ^ "World Strahler Climate Map".
- ^ Feddema, Johannes J. (January 2005). "A Revised Thornthwaite-Blazon Global Climate Nomenclature". Physical Geography. 26 (6): 442–466. doi:10.2747/0272-3646.26.6.442. ISSN 0272-3646. S2CID 128745497.
- ^ "Klimaklassifikation". www.spektrum.de (in German). Retrieved 2019-07-01 .
- ^ "Klimazonen nach E. Neef (1989)". Klett-Perthes.
- ^ Mean monthly maxima and minima (i.e. the highest and lowest temperature readings during an unabridged calendar month or twelvemonth) calculated based on information at said location from 1991 to 2020.
- ^ "NowData - NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved May 29, 2021.
- ^ "Station: Anchorage INTL AP, AK". U.Due south. Climate Normals 2020: U.Due south. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. Retrieved May 29, 2021.
- ^ "WMO climate normals for Anchorage/INTL, AK 1961−1990". National Oceanic and Atmospheric Assistants. Retrieved August 30, 2020.
- ^ a b "Anchorage, Alaska, USA - Monthly weather condition forecast and Climate data". Atmospheric condition Atlas. Retrieved July four, 2019.
- ^ "NOAA Weather Information, 1981–2010".
Source: https://en.wikipedia.org/wiki/Climate_of_Anchorage
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