Editing Spokane, Washington (section)

===Climate===
[[File:Spokane_Great_Northern_Clocktower_in_haze_(20101776384).jpg|thumb|right|alt=The Great Northern clocktower seen amidst an orange haze from wildfire smoke and Rayleigh scattering|The Great Northern clocktower seen amidst an orange [[haze]] from wildfire smoke and [[Rayleigh scattering]]]]

Spokane has a [[humid continental climate|warm-summer humid continental climate]] (''Dsb'' under the [[Köppen climate classification|Köppen]] classification),<ref>{{cite journal |last1=Peel |first1=M. C. |last2=Finlayson |first2=B. L. |last3=McMahon |first3=T. A. |year=2007 |title=Updated world map of the Köppen–Geiger climate classification |journal=Hydrol. Earth Syst. Sci. |volume=11 |issue=5 |pages=1633–1644 |doi=10.5194/hess-11-1633-2007 |bibcode=2007HESS...11.1633P |bibcode-access=free |url=http://www.hydrol-earth-syst-sci.net/11/1633/2007/hess-11-1633-2007.html |issn=1027-5606| doi-access=free |url-status=live |archive-url=https://web.archive.org/web/20190816162501/http://www.hydrol-earth-syst-sci.net/11/1633/2007/hess-11-1633-2007.html |archive-date= Aug 16, 2019 }} (Direct: [http://www.hydrol-earth-syst-sci.net/11/1633/2007/hess-11-1633-2007.pdf final revised paper]).</ref> a rare climate due to its elevation and significant winter precipitation; Spokane, however, is adjacent to and sometimes even classified as a [[Mediterranean climate#Warm-summer Mediterranean climate|warm-summer Mediterranean climate]] (''Csb'') because the average temperature for the coldest month is over {{convert|−3|°C|1|order=flip}},<ref name="NCEI Summary of Monthly Normals - 1991-2020 - SPOKANE INTL AP"/> though in the US this threshold is often defined to be {{convert|0|°C|0|order=flip}}.<ref>{{cite journal |author=Kottek, M. |author2=J. Grieser |author3=C. Beck |author4=B. Rudolf |author5=F. Rubel |title=World Map of the Köppen-Geiger climate classification updated |journal=Meteorol. Z. |volume=15 |issue=3 |pages=259–263 |url=http://koeppen-geiger.vu-wien.ac.at/pics/kottek_et_al_2006.gif |format=GIF |doi=10.1127/0941-2948/2006/0130 |year=2006 |bibcode=2006MetZe..15..259K | access-date=December 7, 2014}}</ref>

The area typically has a warm, arid climate during the summer months, bracketed by short spring and fall seasons. On average, the warmest month is July and the coolest month is December; July averages {{convert|71.0|°F|1}}, while December averages {{convert|29.1|°F|1}}.<ref name="NCEI Summary of Monthly Normals - 1991-2020 - SPOKANE INTL AP"/>{{ref|Averages|[h]}} Daily temperature ranges are large during the summer, often exceeding {{convert|30|F-change}}, and small during the winter, with a range just above {{convert|10|F-change|1}}.<!--NOT HIGH TEMPERATURE--> The record high and low are {{convert|112|°F}}<ref name = "NOWData OTX"/> and {{convert|-30|°F}}, but temperatures of more than {{convert|100|°F}} or less than {{convert|-5|°F}} are rare. Temperatures of {{convert|90|°F}}+ occur an average of 21 days annually, temperatures of {{convert|100|°F}}+ occur an average of only 1 day annually, and those at or below {{convert|0|°F}} average 2.2 days a year.<ref name = "NOWData OTX"/>

[[File:Monthly Climate Normals (1991-2020) - Spokane Area, WA(ThreadEx).svg|thumb|right|Climate chart for Spokane]]
Spokane's location, between the [[Cascades Range]] to the west and the [[Rocky Mountains]] to the east and north, protects it from weather patterns experienced in other parts of the [[Pacific Northwest]]. The Cascade Mountains form a barrier to the eastward flow of moist and relatively mild air from the [[Pacific Ocean]] in winter and cool air in summer.<ref name="ClimWA">{{cite web |title=Climate of Washington |work=Climates of the States, Climatography of the United States No. 60 |publisher=National Weather Service |url=http://cdo.ncdc.noaa.gov/climatenormals/clim60/states/Clim_WA_01.pdf| access-date = December 7, 2014| archive-url = https://web.archive.org/web/20150211224040/http://cdo.ncdc.noaa.gov/climatenormals/clim60/states/Clim_WA_01.pdf| archive-date = February 11, 2015| url-status = dead |df=mdy-all}}</ref> As a result of the [[rain shadow]] effect of the Cascades, the Spokane area has {{convert|16.5|in|mm}} average annual precipitation, less than half of Seattle's {{convert|39.3|in|mm}}.<ref name = "NOWData SEW">{{cite web |url=https://w2.weather.gov/climate/xmacis.php?wfo=sew |title=NowData – NOAA Online Weather Data |publisher=[[National Oceanic and Atmospheric Administration]] |access-date = October 18, 2021}}</ref> Precipitation peaks in December, and summer is the driest time of the year. The Rockies shield Spokane from some of the winter season's coldest air masses traveling southward across Canada.<ref name="ClimWA" /> In the summer season, Spokane, like much of the [[western United States]], has been experiencing drier conditions and more frequent and larger [[wildfire]] events since the late 20th century; the fine particulate matter in the smoke can be carried by the wind and blanket the region in a [[haze]] and impact Spokane's [[Air quality index|air quality]].<ref>{{cite web |last1=Petersen|first1=Mike|last2=Keesecker|first2=Levi |last3=Li|first3=Wei|display-authors=et al.|title=Chapter 5: Fire and Smoke Impact Study|work=Spokane Climate Project|publisher=Pacific Northwest Climate Impacts Research Consortium|date=September 2013 |url=https://www.spokaneclimateproject.org/wildfires| access-date = July 9, 2023}}</ref>

{{Weather box 
|collapsed = Y
|location = [[Spokane International Airport]], 1991–2020 normals,{{efn-lr|Mean maxima and minima (i.e., the highest and lowest temperature readings during an entire month or year) calculated based on data at said location from 1991 to 2020.}} extremes 1881–present{{efn-lr|Official records for Spokane kept at Spokane Weather Bureau Office from February 1881 to July 1889, and at Spokane International Airport since August 1889.<ref>{{cite web |title=Threaded Station Extremes |url=http://threadex.rcc-acis.org/ |website=ThreadEx |publisher=NOAA's National Centers for Environmental Information (NCEI) and the National Weather Service (NWS), the Northeast Regional Climate Center (NRCC)|access-date= October 18, 2021}}</ref>}}
|single line = Y
|Jan record high F = 62
|Feb record high F = 63
|Mar record high F = 75
|Apr record high F = 90
|May record high F = 97
|Jun record high F = 109
|Jul record high F = 108
|Aug record high F = 108
|Sep record high F = 98
|Oct record high F = 87
|Nov record high F = 70
|Dec record high F = 60
|Jan avg record high F = 48.2
|Feb avg record high F = 51.1
|Mar avg record high F = 63.0
|Apr avg record high F = 73.9
|May avg record high F = 84.0
|Jun avg record high F = 90.5
|Jul avg record high F = 97.5
|Aug avg record high F = 97.0
|Sep avg record high F = 89.2
|Oct avg record high F = 74.6
|Nov avg record high F = 56.4
|Dec avg record high F = 48.0
|year avg record high F= 99.1
|Jan high F = 34.5
|Feb high F = 39.5
|Mar high F = 48.6
|Apr high F = 56.9
|May high F = 67.1
|Jun high F = 73.7
|Jul high F = 84.4
|Aug high F = 83.8
|Sep high F = 73.6
|Oct high F = 57.7
|Nov high F = 42.3
|Dec high F = 33.8
|year high F = 58.0
|Jan mean F = 29.6
|Feb mean F = 32.9
|Mar mean F = 40.0
|Apr mean F = 47.0
|May mean F = 56.0
|Jun mean F = 62.3
|Jul mean F = 71.0
|Aug mean F = 70.3
|Sep mean F = 61.1
|Oct mean F = 47.9
|Nov mean F = 36.3
|Dec mean F = 29.1
|year mean F = 48.6
|Jan low F = 24.7
|Feb low F = 26.3
|Mar low F = 31.5
|Apr low F = 37.0
|May low F = 44.9
|Jun low F = 50.8
|Jul low F = 57.6
|Aug low F = 56.7
|Sep low F = 48.6
|Oct low F = 38.0
|Nov low F = 30.3
|Dec low F = 24.3
|year low F = 39.2
|Jan avg record low F = 4.4
|Feb avg record low F = 9.8
|Mar avg record low F = 18.5
|Apr avg record low F = 26.4
|May avg record low F = 32.7
|Jun avg record low F = 40.2
|Jul avg record low F = 45.9
|Aug avg record low F = 45.6
|Sep avg record low F = 35.4
|Oct avg record low F = 23.2
|Nov avg record low F = 14.1
|Dec avg record low F = 7.1
|year avg record low F = -3.0
|Jan record low F = −30
|Feb record low F = −24
|Mar record low F = −10
|Apr record low F = 14
|May record low F = 24
|Jun record low F = 33
|Jul record low F = 37
|Aug record low F = 35
|Sep record low F = 22
|Oct record low F = 7
|Nov record low F = −21
|Dec record low F = −25
|precipitation colour = green
|Jan precipitation inch = 1.97
|Feb precipitation inch = 1.44
|Mar precipitation inch = 1.83
|Apr precipitation inch = 1.25
|May precipitation inch = 1.55
|Jun precipitation inch = 1.17
|Jul precipitation inch = 0.42
|Aug precipitation inch = 0.47
|Sep precipitation inch = 0.58
|Oct precipitation inch = 1.37
|Nov precipitation inch = 2.06
|Dec precipitation inch = 2.34
|year precipitation inch = 16.45
|Jul snow inch =  0.0
|Aug snow inch =  0.0
|Sep snow inch =  0.1
|Oct snow inch =  0.5
|Nov snow inch =  6.2
|Dec snow inch = 13.8
|Jan snow inch = 12.3
|Feb snow inch =  7.8
|Mar snow inch =  3.9
|Apr snow inch =  0.7
|May snow inch =  0.1
|Jun snow inch =  0.0
|year snow inch = 45.4
|unit precipitation days = 0.01 in
|unit snow days = 0.1 in
|Jan precipitation days = 14.2
|Feb precipitation days = 10.9
|Mar precipitation days = 11.8
|Apr precipitation days = 10.3
|May precipitation days = 9.7
|Jun precipitation days = 7.8
|Jul precipitation days = 4.0
|Aug precipitation days = 3.2
|Sep precipitation days = 4.7
|Oct precipitation days = 8.9
|Nov precipitation days = 13.4
|Dec precipitation days = 13.8
|year precipitation days = 112.7
|Jul snow days = 0.0
|Aug snow days = 0.0
|Sep snow days = 0.1
|Oct snow days = 0.3
|Nov snow days = 4.3
|Dec snow days = 9.5
|Jan snow days = 9.5
|Feb snow days = 5.7
|Mar snow days = 4.0
|Apr snow days = 1.0
|May snow days = 0.3
|Jun snow days = 0.0
|year snow days = 34.7

|Jan snow depth inch = 8.1
|Feb snow depth inch = 4.9
|Mar snow depth inch = 2.8
|Apr snow depth inch = 0.2
|May snow depth inch = 0.0
|Jun snow depth inch = 0.0
|Jul snow depth inch = 0.0
|Aug snow depth inch = 0.0
|Sep snow depth inch = 0.1
|Oct snow depth inch = 0.4
|Nov snow depth inch = 2.7
|Dec snow depth inch = 6.4
|year snow depth inch = 11.1

|Jan humidity = 82.5
|Feb humidity = 79.1
|Mar humidity = 70.3
|Apr humidity = 61.0
|May humidity = 58.2
|Jun humidity = 53.9
|Jul humidity = 44.0
|Aug humidity = 45.0
|Sep humidity = 53.9
|Oct humidity = 66.6
|Nov humidity = 82.7
|Dec humidity = 85.5
|year humidity = 65.2
|Jan sun = 78.3
|Feb sun = 118.0
|Mar sun = 199.3
|Apr sun = 242.3
|May sun = 296.7
|Jun sun = 322.8
|Jul sun = 382.4
|Aug sun = 340.4
|Sep sun = 271.2
|Oct sun = 191.0
|Nov sun = 73.8
|Dec sun = 59.1
|year sun = 2575.3
|Jan percentsun = 28
|Feb percentsun = 41
|Mar percentsun = 54
|Apr percentsun = 59
|May percentsun = 63
|Jun percentsun = 68
|Jul percentsun = 79
|Aug percentsun = 77
|Sep percentsun = 72
|Oct percentsun = 57
|Nov percentsun = 26
|Dec percentsun = 22
|year percentsun = 54
|Jan dew point C = -5.6
|Feb dew point C = -3.3
|Mar dew point C = -1.9
|Apr dew point C = -0.2
|May dew point C = 3.2
|Jun dew point C = 6.1
|Jul dew point C = 6.4
|Aug dew point C = 6.2
|Sep dew point C = 4.2
|Oct dew point C = 1.5
|Nov dew point C = -1.1
|Dec dew point C = -4.6
|source 1 = NOAA (relative humidity and sun 1961–1990)<ref name = "NOWData OTX">{{cite web |url=https://w2.weather.gov/climate/xmacis.php?wfo=otx 
|title=NowData – NOAA Online Weather Data 
|publisher=[[National Oceanic and Atmospheric Administration]] 
|access-date = October 18, 2021}}</ref><ref name="NCEI Summary of Monthly Normals - 1991-2020 - SPOKANE INTL AP">
{{cite web 
|url=https://www.ncei.noaa.gov/access/services/data/v1?dataset=normals-monthly-1991-2020&startDate=0001-01-01&endDate=9996-12-31&stations=USW00024157&format=pdf 
|title=Summary of Monthly Normals SPOKANE INTL AP, WA US USW00024157 1991-2020 
|publisher=[[National Oceanic and Atmospheric Administration]] 
|access-date = October 18, 2021
|archive-url = https://web.archive.org/web/20230710042020/https://www.ncei.noaa.gov/access/services/data/v1?dataset=normals-monthly-1991-2020&startDate=0001-01-01&endDate=9996-12-31&stations=USW00024157&format=pdf
|archive-date = 2023-07-10}}</ref><ref name= NOAA2>
{{cite web 
|title=WMO climate normals for Spokane/INTL, WA 1961–1990 
|publisher=National Oceanic and Atmospheric Administration 
|url=ftp://ftp.atdd.noaa.gov/pub/GCOS/WMO-Normals/TABLES/REG_IV/US/GROUP4/72785.TXT 
|access-date = May 28, 2014
|archive-url = https://web.archive.org/web/20230710041623/ftp://ftp.atdd.noaa.gov/pub/GCOS/WMO-Normals/TABLES/REG_IV/US/GROUP4/72785.TXT
|archive-date = July 10, 2023}}</ref>
}}

{{Weather box <!--Infobox begins-->
|collapsed= Y

|single line= Y
|location= Spokane ([[Felts Field]]), 1991–2020 normals,{{efn-lr|Mean maxima and minima calculated based on data from November 1998 to December 2020 for months and 1999 to 2020 for years.}} extremes 1998{{efn-lr|Starting on October 14, 1998.}}–present
|Jan record high F= 59
|Feb record high F= 64
|Mar record high F= 74
|Apr record high F= 87
|May record high F= 94
|Jun record high F= 113
|Jul record high F= 106
|Aug record high F= 107
|Sep record high F= 97
|Oct record high F= 86
|Nov record high F= 69
|Dec record high F= 63

|Jan avg record high F = 51.8
|Feb avg record high F = 53.7
|Mar avg record high F = 65.0
|Apr avg record high F = 76.5
|May avg record high F = 86.7
|Jun avg record high F = 93.0
|Jul avg record high F = 99.8
|Aug avg record high F = 99.1
|Sep avg record high F = 90.7
|Oct avg record high F = 75.5
|Nov avg record high F = 59.8
|Dec avg record high F = 51.9
|year avg record high F= 101.4

|Jan high F= 37.8
|Feb high F= 42.5
|Mar high F= 51.3
|Apr high F= 59.6
|May high F= 69.7
|Jun high F= 75.8
|Jul high F= 87.1
|Aug high F= 86.2
|Sep high F= 76.0
|Oct high F= 60.3
|Nov high F= 45.1
|Dec high F= 36.9
|year high F = 60.7

|Jan mean F = 31.8
|Feb mean F = 34.6
|Mar mean F = 41.5
|Apr mean F = 48.1
|May mean F = 56.9
|Jun mean F = 63.1
|Jul mean F = 71.5
|Aug mean F = 70.4
|Sep mean F = 61.4
|Oct mean F = 49.1
|Nov mean F = 37.9
|Dec mean F = 31.3
|year mean F= 49.8

|Jan low F= 25.8
|Feb low F= 26.7
|Mar low F= 31.7
|Apr low F= 36.6
|May low F= 44.1
|Jun low F= 50.4
|Jul low F= 56.0
|Aug low F= 54.5
|Sep low F= 46.8
|Oct low F= 38.0
|Nov low F= 30.7
|Dec low F= 25.7
|year low F =38.9

|Jan avg record low F = 9.9
|Feb avg record low F = 13.5
|Mar avg record low F = 19.6
|Apr avg record low F = 26.8
|May avg record low F = 32.5
|Jun avg record low F = 41.4
|Jul avg record low F = 46.5
|Aug avg record low F = 45.7
|Sep avg record low F = 36.3
|Oct avg record low F = 25.0
|Nov avg record low F = 17.6
|Dec avg record low F = 10.3
|year avg record low F= 3.2

|Jan record low F= -10
|Feb record low F= -3
|Mar record low F= 2
|Apr record low F= 24
|May record low F= 28
|Jun record low F= 37
|Jul record low F= 39
|Aug record low F= 40
|Sep record low F= 26
|Oct record low F= 12
|Nov record low F= -2
|Dec record low F= -10

|precipitation colour= green
|Jan precipitation inch= 2.00
|Feb precipitation inch= 1.32
|Mar precipitation inch= 1.82
|Apr precipitation inch= 1.50
|May precipitation inch= 1.70
|Jun precipitation inch= 1.48
|Jul precipitation inch= 0.67
|Aug precipitation inch= 0.54
|Sep precipitation inch= 0.68
|Oct precipitation inch= 1.46
|Nov precipitation inch= 2.01
|Dec precipitation inch= 2.18
|year precipitation inch= 17.36

|unit precipitation days = 0.01 in
|Jan precipitation days = 14.6
|Feb precipitation days = 11.6
|Mar precipitation days = 13.1
|Apr precipitation days = 11.0
|May precipitation days = 10.0
|Jun precipitation days =  8.9
|Jul precipitation days =  3.0
|Aug precipitation days =  3.4
|Sep precipitation days =  5.3
|Oct precipitation days = 10.4
|Nov precipitation days = 13.5
|Dec precipitation days = 14.5
|year precipitation days=119.3
|source 1= NOAA<ref name = "NOWData OTX"/><ref name="NCEI Summary of Monthly Normals - 1991-2020 - SPOKANE FELTS FLD">
{{cite web 
|url=https://www.ncei.noaa.gov/access/services/data/v1?dataset=normals-monthly-1991-2020&startDate=0001-01-01&endDate=9996-12-31&stations=USW00094176&format=pdf 
|title=Summary of Monthly Normals SPOKANE FELTS FLD, WA US USW00094176 1991–2020 
|publisher=[[National Oceanic and Atmospheric Administration]] 
|access-date = October 18, 2021
|archive-url = https://web.archive.org/web/20230710042244/https://www.ncei.noaa.gov/access/services/data/v1?dataset=normals-monthly-1991-2020&startDate=0001-01-01&endDate=9996-12-31&stations=USW00094176&format=pdf
|archive-date = July 10, 2023}}</ref>}}
{{Graph:Weather monthly history
| table=Ncei.noaa.gov/weather/Spokane, Washington.tab
| title=Spokane monthly weather statistics
}}