CLIMATE OF PHOENIX: PART 3

NORMAL TOTAL AND MAXIMUM AND MINIMUM TOTAL BY MONTHS AND YEAR OF OCCURRENCE


MonthNORMAL (1961-1990)MAXIMUM (1896-1995)YEARMINIMUM (1896-1995)YEAR
January0.675.221993 0.001912 1924 1972
February0.684.641905 0.001912 1967 1984
March0.884.821941 0.001933 1956 1959 1984
April0.223.361926 0.001904 1920 1948 1960 1962 1989 1991 1993
May0.121.311930 0.001899 1911 1913 1932 1939 1942 1945 1946 1952 1974 1983 1988 1991
June0.131.701972 0.001897 1900 1901 1908 1913 1916 1917 1923 1928 1935 1939 1942 1944 1945 1946 1947 1953 1963 1964 1968 1969 1970 1971 1974 1983 1985 1989
July0.836.471911 trace1993 1995
August0.965.331951trace1973 1975
September0.865.411939 0.001953 1957 1968 1973 1988
October0.654.401972 0.001898 1905 1909 1934 1950 1952 1973 1995
November0.663.611905 0.001897 1903 1904 1912 1916 1917 1932 1937 1943 1945 1948 1956 1980
December1.003.981967 0.001900 1901 1917 1958 1973 1981
Annual7.6619.731905 2.821956

Years in Which There Were 5 (the most) Calendar Months Without Measurable Precipitation:

190419381945194819721973

Years in Which All Twelve Calendar Months had Measurable Precipitation:

192119251927194919651979198719901992

DAILY NORMALS OF PRECIPITATION (1961-1990)

DAYJAN TO NORMJAN TO DATEFEB TO NORMFEB TO DATEMAR TO NORMMAR TO DATEAPRTO NORMAPR TO DATEMAY TO NORMMAY TO DATEJUN TO NORMJUN TO DATE
1.030.03.020.69.031.38.022.25.002.45.002.57
2.030.06.020.71.031.41.022.27.002.45.002.57
3.030.09.020.73.031.44.022.29.002.45.002.57
4.030.12.020.75.031.47.022.31.002.45.002.57
5.030.15.020.77.031.50.012.32.002.45.002.57
6.020.17.020.79.031.53.012.33.002.45.002.57
7.020.19.020.81.031.56.012.34.012.46.002.57
8.020.21.020.83.031.59.012.35.012.47.002.57
9.020.23.020.85.031.62.012.36.012.48.002.57
10.020.25.020.87.031.65.012.37.012.49.002.57
11.020.27.020.89.031.68.012.38.012.50.002.57
12.020.29.020.91.031.71.012.39.012.51.002.57
13.020.31.020.93.031.74.012.40.012.52.002.57
14.020.33.020.95.031.77.012.41.012.53.002.57
15.020.35.020.97.031.80.012.42.012.54.002.57
16.020.37.020.99.031.83.012.43.012.55.002.57
17.020.39.031.02.031.86.012.44.012.56.002.57
18.020.41.031.05.031.89.012.45.012.57.002.57
19.020.43.031.08.031.92.00 2.45.002.57.012.58
20.020.45.031.11.031.95.002.45.002.57.012.59
21.020.47.031.14.031.98.002.45.002.57.012.60
22.020.49.031.17.032.01.002.45.002.57.012.61
23.020.51.031.20.032.04.002.45.002.57.012.62
24.020.53.031.23.032.07.002.45.002.57.012.63
25.020.55.031.26.032.10.002.45.002.57.012.64
26.020.57.031.29.032.13.002.45.002.57.012.65
27.020.59.031.32.022.15.002.45.002.57.012.66
28.020.61.031.35.022.17.002.45.002.57.012.67
29.020.63.022.19.002.45.002.57.012.68
30.020.65.022.21.002.45.002.57.022.70
31.020.67.022.23.002.57
Monthly Normal0.670.680.880.220.120.13
DAYJAN TO NORMJAN TO DATEFEB TO NORMFEB TO DATEMAR TO NORMMAR TO DATEAPRTO NORMAPR TO DATEMAY TO NORMMAY TO DATEJUN TO NORMJUN TO DATE

DAILY NORMALS OF PRECIPITATION (1961-1990)


DAYJUL TO NORMJUL TO DATEAUG TO NORMAUG TO DATESEP TO NORMSEP TO DATEOCT TO NORM OCT TO DATENOV TO NORMNOV TO DATEDEC TO NORMDEC TO DATE
1.022.72.043.57.034.52.035.38.026.02.036.69
2.022.74.043.61.034.55.035.41.026.04.036.72
3.022.76.043.65.034.58.035.44.026.06.036.75
4.022.78.033.68.034.61.025.46.026.08.036.78
5.022.80.033.71.034.64.025.48.026.10.036.81
6.022.82.033.74.034.67.025.50.026.12.036.84
7.022.84.033.77.034.70.025.52.026.14.036.87
8.022.86.033.80.034.73.025.54.026.16.036.90
9.022.88.033.83.034.76.025.56.026.18.036.93
10.022.90.033.86.034.79.025.58.026.20.036.96
11.032.93.033.89.034.82.025.60.026.22.036.99
12.032.96.033.92.034.85.025.62.026.24.037.02
13.032.99.033.95.034.88.035.64.026.26.047.06
14.033.02.033.98.034.91.025.66.026.28.047.10
15.033.05.034.01.034.94.025.68.026.30.047.14
16.033.08.034.04.034.97.025.70.026.32.047.18
17.033.11.034.07.035.00.025.72.026.34.047.22
18.033.14.034.10.035.03.025.74.026.36.047.26
19.033.17.034.13.035.06.025.76.026.38.047.30
20.033.20.034.16.035.09.025.78.026.40.037.33
21.033.23.034.19.035.12.025.80.026.42.037.36
22.033.26.034.22.035.15.025.82.026.44.037.39
23.033.29.034.25.035.18.025.84.026.46.037.42
24.033.32.034.28.03 5.21.025.86.026.48.037.45
25.033.35.034.31.035.24.025.88.036.51.037.48
26.033.38.034.34.035.27.025.90.036.54.037.51
27.033.41.034.37.025.29.025.92.036.57.037.54
28.033.44.034.40.025.31.025.94.036.60.037.57
29.033.47.034.43.025.33.025.96.036.63.037.60
30.033.50.034.46.025.35.025.98.036.66.037.63
31.033.53.034.49.026.00.037.66
Monthly Normal0.830.960.860.650.661.00
DAYJUL TO NORMJUL TO DATEAUG TO NORMAUG TO DATESEP TO NORMSEP TO DATEOCT TO NORM OCT TO DATENOV TO NORMNOV TO DATEDEC TO NORMDEC TO DATE

GREATEST NUMBER OF DAYS WITH TRACE OR MORE AND 0.01 INCHES OR MORE BY MONTHS AND YEAR OF OCCURRENCE AND AVERAGE NUMBER OF DAYS WITH 0.01 INCHES OR MORE BY MONTHS


1896-19951896-19951940-1995
TRACE OR MOREYEAR0.01 OR MOREYEARAVERAGE 0.01 OR MORE
January1619931419934.1
February1719051419054.0
March1619051219053.8
April1819261319261.7
May121992719921.0
June81925 1931 1972 41899 1932 0.7
July1819841318964.2
August181963111913 19294.8
September161897919392.9
October121907 197291907 19722.7
November1319131119052.5
December141965111914 1923 1926 19654.0
Annual106190574190536.4
Least Annual371953181953


Arizona Indian Proverb: "The south rain brings with it the beautiful odors of the land of everlasting summer and brightens the leaves of growing things".

GREATEST NUMBER OF DAYS WITH 0.10 INCHES OR MORE, 0.50 INCHES OR MORE,
AND 1.00 INCH OR MORE BY MONTHS AND YEAR OF OCCURRENCE (1896-1995)


0.10 or moreYEAR0.50 or moreYEAR1.00 or moreYEAR
January1119934199321905
February919056190511908 1987
March61905 19525194131941
April619523190511926 1941
May4199211930 1944 1976 19790
June21967 197211955 1965 197211972
July718964195531955
August719635195121943 1995
September8193931939 198421903 1939 1946 1984
October51957 19744197211911 1914 1932 1957 1959 1963 1972 1988 1991 1993
November9190531931 198211902 1905 1918 1919 1923 1931 1941 1993 1995
December919145195911896 1898 1902 1915 1926 1948 1926 1940 1967 1978 1984 1987 1992
Annual43190518190551941 1946 1984
Least91904019530Many Years

Arizona Indian Proverb: "When the clouds hang on the mountain side after a rain and the sun shines on the top of the mountain, the storm is over".

MAXIMUM AMOUNTS FOR 5, 10, 15, AND 30 MINUTES; 1, 2, AND 24 HOURS BY MONTHS AND DAY AND YEAR OF OCCURRENCE 1896-1995

5 Minutes 10 Minutes15 Minutes30 Minutes1 Hour2 Hours24 Hours
January0.350.440.560.670.750.911.84
3/19263/19263/19263/19263/192611/199310-11/1993
February0.300.410.430.440.500.671.69
6/193510/196310/196310/196312/19366/19355-6/1935
March0.260.410.430.460.610.772.04
4/19414/19414/194112/194112/19414/1941, 3/19832-3/1983
April0.320.610.750.760.760.921.66
19/195119/195119/195119/195119/19518/19265-6/1926
May0.350.450.530.590.600.611.12
20/197920/197920/197920/197920/197920/19794-5/1930
June0.300.400.520.620.921.201.64
12/195522/197222/197222/197222/197222/197221-22/1972
July0.500.700.911.151.301.474.98
24/197826/195226/195217/190826/19172/19111-2/1911
August0.901.141.171.231.721.812.72
16/198316/198316/198320/197818/19666/191827-28/1951
September0.681.001.141.271.412.203.06
16/196916/196916/196916/19694/19394/19393-4/1939
October0.680.720.720.860.931.032.32
1/19811/19811/198130/192830-31/192830-31/192814/1988
November0.360.380.400.540.670.752.40
10/193110/1931 23/191923/191914/191814/191827/19199-10/1923
December0.130.220.280.380.520.681.92
13/197519/196713/197519/19677/198619/196730-31/1915
Annual0.901.141.171.271.722.204.98
16 AUG 198316 AUG 198316 AUG 198316 SEP 196918 AUG 19664 SEP 19391-2 JUL 1911

GREATEST NUMBER OF CONSECUTIVE DAYS WITH TRACE OR MORE, 1896-1995

14 daysJanuary 5-181993total5.12
10 daysJuly22-311921total0.38
10 daysDecember 3-121926total2.50
9 daysJanuary 9-171897total3.59
9 daysDecember12-201967total3.98
9 daysFebruary13-211980total2.09
9 daysJuly10-181984total0.49

GREATEST NUMBER OF CONSECUTIVE DAYS WITH 0.01 INCHES OR MORE, 1896-1995

10 daysDecember 3-121926total2.50
9 daysFebruary13-211980total2.09
9 daysJanuary10-181993total3.11
8 daysJanuary 9-161897total3.59
7 daysJanuary15-211917total1.62
7 daysDecember13-191967total3.98

GREATEST NUMBER OF CONSECUTIVE DAYS WITH 0.25 INCHES OR MORE, 1896-1995

4 daysFebruary12-151931total2.83
4 daysDecember12-151932total1.69

GREATEST NUMBER OF CONSECUTIVE DAYS WITH 0.50 INCHES OR MORE, 1896-1995

3 daysFebruary12-141931total2.48
3 daysFebruary 5-71935total2.48
3 daysMarch12-141941total2.67
3 daysAugust27-291951total3.77

GREATEST NUMBER OF CONSECUTIVE DAYS WITH 1.00 INCH OR MORE, 1896-1995


2 daysJanuary 9-101905total2.69
2 daysJuly 1-21911total5.49
2 daysJuly25-261936total2.35
2 daysJuly17-181946total2.31
2 daysSeptember17-181946total2.65
2 daysJuly24-251955total2.05

Arizona Indian Proverb: "When the sun is in his house (in a halo or circle), it will rain soon".

GREATEST NUMBER OF CONSECUTIVE DAYS WITHOUT TRACE OR MORE, 1896-1995


91 daysJanuary 6 1984-April 51984
88 daysOctober17 1917-January 121918
88 daysApril10 1945-July 61945
79 daysOctober 7 1916-December 241916
77 daysApril23 1913-July 81913
74 daysMarch29 1991-June 101991
72 daysApril26 1974-July 61974

GREATEST NUMBER OF CONSECUTIVE DAYS WITHOUT 0.01 INCHES OR MORE, 1896-1995

160 daysDecember 30 1971-June 6 1972
143 daysMarch 2 1960-July 22 1960
125 daysJuly 16 1973-November 17 1973
119 daysMarch 24 1904-July 20 1904
118 daysFebruary 4 1899-June 1 1899
117 daysMarch 11 1970-July 5 1970
117 daysMarch 27 1989-July 21 1989
114 daysMarch 11 1968-July 2 1968
114 daysMarch 28 1991-July 19 1991
105 daysSeptember 1 1938-December 14 1938
105 daysMarch 24 1945-July 6 1945
104 daysOctober 1 1917-January 12 1918
102 daysApril 6 1909-July 16 1909

AMOUNTS AND DATES OF ALL SNOWFALLS, 1896-1995

AMOUNT
1.0 inchJanuary 20 1933
1.0 inchJanuary 20-21 1937*
0.5 inchesFebruary 2 1939
0.4 inchesDecember 21-22 1990
0.2 inchesMarch 12 1917
0.1 inchesNovember 28 1919
0.1 inchesDecember 11 1985
*(1 to 4 inches fell in parts of the city and remained in shaded areas until the 23 and 24)

SNOWFALL: TRACE

December 9 1898February 1 1939December 25 1974
December 10 1898February 8 1939March 3 1976
January 20 1904February 9 1939February 2 1985
December 5 1909April 1 1949February 3 1985
December 25 1911January 12 1951February 4 1985
May 1 1915January 13 1962January 15 1987
December 25 1916January 17 1962March 21 1991
February 18 1918December 13 1967March 27 1991
May 9 1930December 20 1968February 4 1994

DAILY FREQUENCY OF OCCURRENCE OF TRACE OR MORE IN PERCENT, 1896-1995

DAYJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
117252724146214731241315
219263419167244833221217
3252136171111214826181021
4162531171412184827191124
523232811136204229171121
624351317711283727151222
71933171587334525131714
8223219199630422391822
921352220148264618131725
1028243111131036493191427
1127282616147344525171419
122428281797364725162030
1327212418711333926141519
142819231195384421141921
152028191785513913202217
1627261514124504317132322
1727191615149484319121818
1820162216129354125142118
193129239117403917191022
202727236138383218141224
2123292618712543113141523
221918231989484028131822
2322172610108524618142120
242119221089474221192213
252622241281052361871723
262127291471051402061622
272925182379492619151527
2827152517918413217161728
2924820161118494217191526
30201310815542920161321
311813942311319
DAYJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
For Example: Precipitation has fallen on 23 percent of the Christmas Days during the 95-year period from 1896 through 1995.

DAILY FREQUENCY OF OCCURRENCE OF 0.01 INCHES OR MORE IN PERCENT, 1896-1995

DAYJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
111181814615261714117
2102025105411241713611
320182755710301615413
41018217647241015418
51913169608222113715
61520894310231410611
71324765415211281011
813271763211211031213
912241565210264101016
1018192247311181461320
11241914114015221761114
12162020115411271471017
1320141152411171861014
14171315351132015101311
1513201274322226111413
1619171284122165111115
172214126352820871216
18151212753172014111315
19142487541517106717
20141615553241597817
2114221492522161091119
22101316164526231481416
2316101441324231591513
2412131553130161091211
2516171711222161061315
261216195132821115918
271712131421181811101216
282061415352415791518
29188121054262310131021
301865162516131478
31108118121115
DAYJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
For Example: Precipitation of 0.01 inches or more has fallen on 15 percent of the Christmas Days during the 100-year period from 1896 through 1995.

DAILY FREQUENCY OF OCCURRENCE OF 0.10 INCHES OR MORE IN PERCENT, 1896-1995

DAYJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
1581073041210752
261016413598456
3119131011184716
4610945131146111
51056540312129410
6121246115116537
76122130697346
86911412568366
9511643011134710
101216121314742813
11141198108136258
1261012433412115911
13159710045122510
144127130965679
1510129510101202912
1684950011105798
1711355031395578
1812553011199968
1947652161145411
20948150985266
2179541312754812
2245791310953109
234583119976126
2457422114106175
25119810215763511
265612110121163511
276788009108478
286679219757911
29111540011146758
301011031114966
3166196610
DAYJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
For Example: Precipitation of 0.10 inches or more has fallen on 11 percent of the Christmas Days during the 100-year period from 1896 through 1995.

DAILY FREQUENCY OF OCCURRENCE OF 0.25 INCHES OR MORE IN PERCENT, 1896-1995

DAYJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
1059210246532
2349110542234
39581010101513
4466130041323
54463100116425
6661400363333
7481000555134
8222100334135
9255330063329
10887131312188
11866500553245
12368101485154
13645000149048
14165100342535
15575100650248
16616400961431
178143001034146
18730001756637
19151100442437
20633120554213
21351211851248
22114401422344
231043013632102
24351011976044
255221011042056
26237000666356
27446100667245
285466115655410
29814000586444
3060000504654
312303317
DAYJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
For Example: Precipitation of 0.25 inches or more have fallen on 6 percent of the Christmas Days during the 100-year period from 1896 through 1995.

DAILY FREQUENCY OF OCCURRENCE OF 0.50 INCHES OR MORE IN PERCENT, 1896-1995

DAYJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
1004000132220
2003000311100
3522100040202
4333020011211
5022200073112
6220100020201
7210000122002
8010100112102
9113000002214
10413110001144
11312300001034
12132001224021
13122000104024
14131000022121
15222000320223
16213100221010
17301000413011
18110000214324
19111100210213
20211010220010
21120000321021
22001101110011
23000201012241
24130000532013
25412000420012
26023000333021
27112000423212
28213100134214
29200000123021
3020000100412
311002213
DAYJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
For Example: Precipitation of 0.50 inches or more have fallen on 2 percent of the Christmas Days during the 100-year period from 1896 through 1995.

DAILY FREQUENCY OF OCCURRENCE OF 1.00 INCH OR MORE IN PERCENT, 1896-1995

DAYJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
1000000121010
2000000111000
3011000010100
4001000001000
5000100021000
6000000010100
7000000000001
8100000002101
9100000000000
10100000001011
11100100001010
12101000102010
13000000002001
14001000021121
15000000010000
16101000111000
17100000202001
18000000111001
19000000000200
20000000110010
21000000100000
22000001100000
23000000000000
24010000210000
25000000300000
26001000302010
27000000111211
28000000101000
29100000101000
3010000100102
310000010
DAYJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
For Example: Precipitation of 1.00 inch or more has fallen on 2 percent of the August 1st's during the 100-year period from 1896 through 1995.

FREQUENCY OF OCCURRENCE OF 0.01 INCHES OR MORE OF PRECIPITATION ON CONSECUTIVE DAYS IN PERCENT BY MONTHS, 1896-1995

ANY ONE DAY2ND DAY3RD DAY4TH DAY5TH DAY6TH DAY7TH DAY8TH DAY
January15.43.21.10.40.20.10.10.1
February17.13.91.50.50.30.1 * *
March14.73.21.20.40.2 *0.0 0.0
April 7.71.60.30.1 *0.00.00.0
May 3.80.60.10.00.00.00.00.0
June 3.10.5 *0.00.00.00.00.0
July17.42.90.70.30.10.10.00.0
August20.33.20.90.3 *0.00.00.0
September12.12.20.70.20.1 *0.00.0
October 9.41.80.50.10.00.00.00.0
November10.02.50.70.1 * 0.00.00.0
December 14.62.81.00.20.10.10.1 *

* Less than .05 percent

Example:In January, on the average, there was a 15.4 percent frequency of occurrence of 0.01 inches or more of precipitation on any day. For a 2-day period there was a 3.2 percent, for a 3-day period 1.1 percent, for a 4-day period 0.4 percent, for a 5-day period 0.2 percent, for a 6-day period, a 7-day period, and 8-day period 0.1 percent.

Arizona Indian Proverb: "When the sun sets unhappily (with a hazy veiled face) then will the morning be angry with wind, storm, and sand".

"The moon her face if red be, of water she speaks".