DIABLO DAM, WA

Maximum of Maximum Temperature (Degrees Fahrenheit)

(452157)

File last updated on April 26, 2024
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.

YEAR(S)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1914-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z40.00w-----z
191544.00 59.00 72.00 78.00 83.00q88.00n95.00o100.00g80.00o69.00e56.00 49.00 -----z
191642.00 55.00 61.00 73.00 80.00b95.00 93.00 98.00 85.00 71.00 53.00 41.00 98.00b
191747.00 47.00 55.00 67.00 81.00 88.00 99.00 93.00 83.00 76.00 64.00 51.00 99.00
191843.00 43.00 69.00 80.00 79.00 98.00a106.00 90.00 90.00 72.00b48.00o46.00l-----z
191949.00d45.00c62.00 77.00 86.00 88.00a99.00 96.00 85.00 73.00 55.00 45.00 99.00h
192045.00j50.00t66.00m74.00f83.00 88.00 99.00 96.00 85.00 66.00 52.00 45.00 -----z
192144.00 55.00 66.00 74.00 85.00 86.00 86.00 96.00b75.00 74.00 57.00a51.00 96.00c
192242.00 44.00 55.00 71.00b90.00a94.00 97.00 92.00 87.00 70.00 51.00 44.00 97.00c
192347.00 53.00 67.00 78.00 88.00a92.00 94.00 96.00a89.00a79.00a60.00b45.00 96.00f
192443.00 55.00 59.00 80.00 91.00 98.00 98.00a94.00 92.00 64.00 53.00d51.00c98.00h
1925-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1926-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1927-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1928-----z-----z-----z-----z-----z92.00p103.00 93.00 97.00 65.00 56.00 48.00 -----z
192939.00 45.00 62.00 79.00 87.00 87.00 93.00 93.00b93.00 73.00 53.00 49.00b93.00d
193040.00a49.00 76.00 80.00 85.00a93.00 105.00a93.00 87.00 73.00 55.00 46.00 105.00c
193148.00 51.00a58.00 84.00 85.00 90.00 96.00 93.00 75.00 74.00 56.00 -----z-----z
193245.00e50.00a59.00 72.00 81.00 -----z89.00o93.00 -----z-----z-----z-----z-----z
1933-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
193446.00a56.00 61.00 -----z84.00 84.00a90.00 97.00 90.00 75.00 55.00 47.00 -----z
193548.00d52.00 52.00 76.00 78.00a87.00f103.00b93.00 89.00d74.00c46.00 43.00 103.00t
193642.00 38.00 50.00 76.00a93.00 90.00 88.00 94.00 88.00 75.00 60.00 48.00 94.00a
193735.00 48.00c59.00a62.00 84.00 95.00 91.00 90.00 88.00 71.00 62.00 49.00 95.00d
193844.00 57.00 56.00 72.00 83.00 92.00a106.00 96.00 92.00 71.00 50.00 53.00 106.00a
193947.00 49.00a65.00 80.00 93.00 95.00 98.00 98.00 86.00 68.00 56.00 57.00 98.00a
194049.00 51.00 67.00 77.00 83.00 95.00 91.00 98.00 92.00 72.00 49.00 57.00 98.00
194151.00 60.00 71.00 79.00 86.00 93.00 106.00 91.00 79.00 64.00 59.00a56.00 106.00a
194255.00 53.00 69.00 78.00 82.00 93.00 103.00 95.00 90.00 73.00 57.00 51.00 103.00
194350.00m-----z60.00s76.00a73.00 84.00a92.00 96.00 88.00a83.00 60.00e50.00a-----z
194450.00 52.00 58.00 75.00 90.00 91.00a103.00 95.00 95.00a70.00 54.00 55.00a103.00c
194553.00 60.00 61.00 69.00 86.00 89.00 93.00 98.00 90.00a74.00 55.00a48.00a98.00c
194647.00a55.00 67.00 77.00 80.00 86.00 96.00 95.00 86.00 65.00 54.00 47.00 96.00a
194749.00 58.00 68.00 82.00 90.00 83.00 94.00 85.00b87.00 -----z49.00 49.00 -----z
194847.00 50.00a66.00 74.00 88.00 94.00a89.00 90.00 86.00 70.00 49.00a46.00 94.00c
194946.00 53.00 58.00 75.00 87.00 90.00 94.00 94.00 90.00 61.00a60.00a50.00 94.00b
195048.00 46.00 53.00 72.00a79.00 90.00 90.00 94.00 91.00 61.00 60.00 53.00 94.00a
195144.00 53.00 62.00 79.00 88.00 95.00 102.00 96.00 91.00 74.00 52.00 46.00 102.00
195245.00 50.00 62.00 76.00 87.00 86.00 101.00 100.00 90.00 82.00 59.00 49.00 101.00
195362.00 55.00 66.00 74.00 90.00 79.00 102.00 96.00 92.00 77.00 57.00 48.00g102.00g
1954-----z52.00 60.00 69.00 82.00 81.00 84.00 87.00 81.00 69.00 65.00 53.00 -----z
195547.00 46.00 63.00 71.00 70.00a95.00 92.00 95.00 100.00 76.00 62.00 49.00 100.00a
195643.00 46.00 60.00 78.00 91.00 80.00 98.00 97.00 89.00 75.00 58.00 55.00 98.00
195745.00 54.00 62.00 85.00 93.00 86.00 87.00 85.00 91.00 81.00 55.00 53.00 93.00
195847.00 57.00 70.00 76.00 94.00 97.00 102.00 100.00 94.00 76.00 57.00 55.00 102.00
195953.00 52.00 57.00 75.00 89.00 90.00 96.00 99.00 82.00 68.00 60.00 49.00 99.00
196051.00 52.00 69.00 76.00 79.00 83.00 100.00 96.00 85.00 76.00 56.00 48.00 100.00
196158.00 51.00 49.00s64.00e90.00 92.00 98.00 99.00 83.00 73.00 54.00 47.00 99.00x
196253.00 55.00 68.00 82.00c71.00 90.00 92.00 88.00 89.00 72.00 64.00 52.00 92.00c
196347.00 56.00 62.00 75.00 92.00 95.00 83.00 98.00 94.00 73.00 55.00 53.00 98.00
196451.00 55.00 68.00 66.00 84.00 86.00 92.00 91.00 80.00 74.00 56.00 46.00a92.00a
196547.00 54.00 68.00 81.00 85.00 85.00 -----z106.00 86.00 71.00 65.00 58.00 -----z
196646.00 -----z70.00 75.00 92.00 91.00 86.00 97.00 88.00 76.00 58.00 50.00 -----z
196747.00 55.00 59.00 64.00 85.00 89.00 90.00 104.00b92.00 69.00 58.00 50.00 104.00b
196851.00 60.00 65.00 75.00 89.00 89.00 92.00 95.00 86.00 71.00 55.00 45.00b95.00b
196944.00 49.00 64.00 74.00 94.00 94.00 88.00 88.00 90.00 71.00 62.00 45.00 94.00
197042.00 58.00 60.00 63.00 85.00 97.00 101.00 94.00 81.00 76.00 60.00 43.00 101.00
197149.00 49.00 58.00 76.00 89.00 80.00 96.00 96.00 80.00 73.00 50.00 45.00 96.00
197249.00 53.00 63.00 77.00 92.00 85.00 89.00 96.00 92.00 73.00 52.00 53.00 96.00
197347.00 60.00 62.00 70.00 96.00 97.00 96.00 98.00 95.00 63.00 51.00 50.00 98.00
197458.00 49.00 60.00 70.00 75.00 92.00 91.00 99.00 94.00 73.00 55.00 51.00 99.00
197550.00 47.00e56.00 67.00 80.00 88.00 98.00f94.00e92.00 82.00 56.00 51.00 98.00p
197651.00 52.00 54.00 77.00 84.00 93.00 86.00 82.00 86.00 74.00 59.00 57.00 93.00
197751.00 56.00 58.00 90.00 80.00 94.00 91.00 102.00 86.00 69.00 52.00m52.00 102.00m
197845.00 53.00 67.00 70.00a87.00 96.00 98.00 105.00 78.00 71.00 55.00 47.00 105.00a
197946.00 50.00 67.00 79.00 91.00 88.00 98.00 88.00 86.00 78.00 58.00 55.00 98.00
198046.00 55.00 56.00 84.00 91.00 82.00 96.00 93.00 82.00 81.00 58.00 58.00 96.00
198153.00 56.00 65.00 76.00 85.00 85.00 93.00 105.00 90.00 67.00 59.00 48.00 105.00
198246.00 52.00 67.00 77.00 82.00 93.00 99.00 100.00 85.00 70.00 52.00 51.00 100.00
198352.00 56.00 62.00 77.00 103.00 89.00 93.00 91.00 81.00 68.00 58.00 43.00 103.00
198458.00 52.00 65.00 78.00 85.00 90.00 94.00 93.00 85.00 74.00 47.00 -----z-----z
1985-----z51.00 -----z75.00 89.00 97.00 100.00 91.00 78.00 69.00 51.00 41.00 -----z
198655.00 51.00 70.00 76.00 94.00 100.00 84.00 101.00 88.00 73.00 58.00 44.00 101.00
198751.00 52.00 70.00 90.00 93.00 100.00 -----z95.00 98.00 80.00 57.00 48.00 -----z
198845.00 63.00 67.00 76.00 88.00 92.00 98.00 98.00 101.00a78.00a60.00a53.00 101.00c
198950.00 50.00 60.00 81.00 81.00 92.00 97.00 89.00 89.00 73.00 56.00 56.00 97.00
199048.00 55.00 67.00 76.00 85.00 95.00 97.00 100.00 86.00 72.00 61.00 45.00 100.00
199147.00 59.00 64.00 77.00 74.00 84.00 92.00 96.00 85.00 87.00 57.00 46.00 96.00
199248.00 61.00 71.00 81.00 90.00 94.00 96.00 98.00 79.00 76.00 51.00 45.00 98.00
199345.00 51.00 60.00 69.00 96.00a83.00 80.00 97.00 92.00 80.00 51.00 50.00 97.00a
199451.00 44.00 72.00 78.00 86.00 84.00 100.00a88.00 87.00 73.00 46.00 50.00 100.00a
199552.00 56.00 71.00 74.00 85.00 97.00 97.00 86.00 94.00 67.00 57.00 49.00 97.00
199651.00 54.00 65.00 74.00 76.00 89.00 100.00 98.00 81.00 75.00 54.00 43.00 100.00
199750.00a54.00 -----z72.00 87.00 84.00 92.00 92.00 -----z63.00 58.00 48.00 -----z
199846.00 53.00 66.00 85.00 90.00 90.00 102.00 96.00 98.00 78.00a53.00 47.00 102.00a
199949.00 52.00 65.00 77.00 88.00 92.00 89.00 93.00 87.00 71.00 56.00 47.00 93.00
200043.00 49.00 59.00 73.00 77.00 93.00 91.00 89.00 85.00 68.00 55.00a47.00 93.00a
200149.00 54.00 66.00 78.00 93.00a88.00 90.00 94.00 86.00 76.00 53.00 43.00 94.00a
200246.00 51.00 58.00a73.00 81.00 93.00 98.00 93.00 86.00 70.00 55.00 47.00 98.00a
200355.00 52.00 57.00 73.00 84.00 94.00 101.00 95.00 96.00 80.00 53.00 47.00 101.00
200449.00 55.00 75.00 84.00 83.00 92.00 100.00 97.00 85.00 75.00 55.00a53.00 100.00a
200549.00 59.00 67.00 81.00 93.00 90.00 91.00 94.00 82.00 65.00 55.00 52.00 94.00
200649.00 53.00 65.00 79.00 93.00 101.00 104.00 91.00 94.00 74.00 61.00 47.00 104.00
200752.00 54.00 62.00 73.00 88.00 92.00 94.00 92.00 89.00 73.00 55.00 59.00a94.00a
200845.00 52.00 54.00 71.00 91.00 101.00 96.00 98.00 83.00 77.00 56.00 55.00 101.00
200945.00 50.00 56.00 76.00 86.00 95.00 103.00b94.00 86.00 67.00 55.00 44.00a103.00c
201048.00 54.00 67.00 80.00 81.00 82.00 98.00 98.00 85.00 78.00 56.00 44.00 98.00
201147.00 49.00 59.00 66.00 77.00 83.00 90.00 92.00 95.00 65.00 48.00a48.00 95.00a
201252.00 52.00 58.00 79.00 90.00 80.00 91.00 97.00 93.00 74.00 59.00 51.00 97.00
201346.00 51.00 67.00 72.00 87.00 87.00 103.00 89.00 91.00 69.00 52.00 48.00 103.00
201449.00 48.00 60.00 74.00 85.00 82.00 97.00 96.00 87.00 77.00 58.00 57.00 97.00
201555.00 58.00 68.00 77.00 85.00 100.00 99.00 97.00c88.00 72.00 54.00 54.00 100.00c
201647.00 56.00 69.00 89.00 87.00 100.00 90.00 98.00a83.00 68.00 56.00 44.00 100.00a
201746.00 50.00 54.00 67.00 90.00 101.00 91.00 98.00 95.00 72.00 62.00 44.00 101.00
201846.00 50.00 60.00 82.00 91.00 90.00 101.00 101.00 86.00 67.00 56.00 51.00 101.00
201947.00 47.00 70.00 73.00 88.00 95.00 92.00 93.00 90.00 65.00 54.00 45.00 95.00
202049.00 52.00 62.00 71.00 89.00a89.00 100.00 104.00 96.00 78.00 62.00 49.00 104.00a
202152.00 44.00 60.00 80.00 80.00 110.00 102.00 98.00 87.00 65.00a60.00c55.00 110.00d
202249.00 50.00 61.00 72.00 74.00 98.00 102.00 103.00 95.00 80.00 54.00a50.00b103.00c
202346.00 49.00 63.00 85.00 95.00 92.00 95.00 99.00 90.00 82.00a58.00 51.00 99.00a
202446.00a56.00 70.00 72.00e-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN48.01 52.35 63.12 75.73 86.02 90.83 95.44 95.06 88.06 72.56 55.90 49.28 98.69
S.D.4.19 4.35 5.40 5.46 5.89 5.74 5.67 4.48 5.25 5.13 4.01 4.20 3.86
SKEW0.37 -0.27 -0.05 0.01 -0.34 0.17 -0.25 -0.16 -0.06 0.05 -0.12 0.30 0.32
MAX62.00 63.00 76.00 90.00 103.00 110.00 106.00 106.00 101.00 87.00 65.00 59.00 110.00
MIN35.00 38.00 50.00 62.00 70.00 79.00 80.00 82.00 75.00 61.00 46.00 41.00 92.00
YRS101 102 100 103 103 101 100 104 102 103 102 100 81