GRAYS RIVER HATCHERY, WA

Minimum of Minimum Temperature (Degrees Fahrenheit)

(453333)

File last updated on March 28, 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
1962-----z-----z29.00p29.00 31.00 36.00 35.00 44.00 42.00 35.00 31.00 21.00a-----z
196312.00 31.00 28.00 30.00 34.00 34.00b34.00 44.00 42.00 32.00 27.00 24.00 12.00b
196431.00 26.00 27.00 28.00 31.00 39.00 42.00 42.00 40.00 30.00 27.00 12.00 12.00
196527.00 29.00a24.00 29.00 30.00 37.00 41.00a39.00 34.00 35.00 27.00 22.00 22.00b
196625.00 28.00 27.00a29.00 31.00 35.00 41.00 40.00 32.00 31.00b29.00b30.00 25.00e
196728.00a28.00 26.00a29.00 32.00 41.00a42.00 42.00 36.00a33.00 28.00 19.00 19.00d
196821.00a22.00 27.00 27.00a32.00 37.00 41.00 41.00a36.00 30.00a29.00 14.00 14.00d
196914.00 20.00 19.00 23.00 31.00 42.00 38.00 38.00 35.00a28.00a27.00 29.00 14.00b
197024.00 26.00a25.00 32.00 33.00 40.00 44.00 37.00b31.00 25.00b28.00 24.00 24.00e
197118.00a18.00 21.00 29.00 34.00 37.00 37.00 42.00 33.00 23.00a25.00a22.00a18.00d
197214.00 17.00 27.00 29.00a33.00a37.00 35.00 40.00 29.00 26.00 30.00 2.00 2.00b
197313.00 23.00 28.00 29.00 30.00 33.00 39.00 34.00 33.00 29.00 26.00 29.00 13.00
197410.00 27.00 24.00 30.00 31.00 34.00 41.00a42.00 36.00 31.00 30.00 24.00 10.00a
197522.00 22.00 19.00b22.00 31.00 35.00a39.00 38.00 35.00a31.00 20.00 23.00 19.00d
197622.00 17.00 23.00 24.00 31.00 32.00 38.00 39.00 39.00 26.00 21.00 24.00 17.00
197717.00 24.00 27.00 28.00 30.00 36.00 38.00 42.00 36.00a30.00 18.00 25.00 17.00a
197814.00 25.00 26.00 29.00 30.00 41.00 46.00 43.00 35.00 29.00 15.00 8.00 8.00
19794.00b12.00a30.00 33.00 35.00 36.00 41.00 41.00 39.00 33.00b26.00 29.00a4.00f
19806.00 27.00 31.00 29.00 33.00 35.00 42.00a38.00 39.00 30.00 28.00 20.00 6.00a
198127.00 25.00a28.00 28.00 34.00a39.00 41.00 41.00 38.00a31.00 26.00 27.00 25.00c
198212.00c20.00 28.00 28.00 31.00 35.00 39.00 39.00 35.00a30.00 25.00 21.00 12.00d
198326.00a28.00a29.00a29.00 35.00b37.00a45.00b41.00b29.00c29.00b24.00 6.00c6.00r
198418.00a28.00b28.00 28.00a32.00a33.00a35.00b36.00 32.00 29.00 27.00a18.00a18.00j
198523.00 15.00 25.00 29.00 29.00 35.00 42.00 39.00a32.00 27.00 9.00a15.00 9.00b
198630.00 25.00 30.00 28.00a29.00 40.00 40.00a38.00 36.00a33.00b28.00 26.00 25.00e
198724.00 25.00 28.00a29.00 34.00 35.00 40.00 39.00c37.00 31.00 27.00 23.00a23.00e
198821.00a24.00 27.00 30.00a32.00c35.00a42.00a40.00b35.00d31.00 30.00 25.00 21.00m
198925.00b3.00 21.00 30.00a32.00c40.00 40.00b41.00a34.00 29.00b28.00 26.00 3.00k
199026.00 19.00 27.00 30.00 31.00 40.00b42.00a41.00 43.00b31.00a30.00b5.00b5.00j
199121.00 25.00 27.00 29.00 33.00a32.00 40.00 38.00 37.00a26.00 27.00 27.00a21.00c
199226.00 29.00a29.00b29.00 32.00 37.00 44.00a40.00 35.00a28.00a27.00 25.00 25.00f
199312.00 18.00 22.00c29.00 36.00t46.00x44.00h40.00b33.00a36.00a17.00 24.00 -----z
199426.00 19.00 28.00c32.00b34.00a38.00a40.00 41.00 40.00 30.00a24.00a21.00a19.00j
199529.00 20.00 25.00 30.00a34.00a41.00a42.00 41.00b39.00 28.00 26.00a25.00 20.00f
199617.00 15.00b25.00 32.00a29.00 35.00 38.00 41.00b37.00b30.00a26.00b28.00 15.00j
199721.00a27.00a29.00a28.00 33.00 39.00a43.00a45.00 43.00a31.00c30.00a27.00 21.00j
199826.00 27.00 27.00 30.00a32.00b41.00 48.00b43.00a38.00a30.00c31.00b13.00a13.00m
199927.00b28.00a26.00a29.00a30.00 33.00a42.00a40.00 31.00d30.00b30.00d28.00a26.00r
200024.00a27.00 28.00a29.00b33.00 36.00a40.00 38.00b32.00d32.00b23.00c28.00c23.00s
200124.00 24.00c27.00d28.00 31.00c34.00 39.00b44.00e-----z-----z30.00a28.00b-----z
200225.00a26.00 26.00b28.00b31.00a37.00a40.00b41.00a32.00a22.00 23.00b29.00d22.00q
200329.00c21.00a28.00a29.00 29.00a38.00a39.00b40.00a39.00 24.00a24.00c25.00b21.00p
200421.00a28.00 28.00c31.00b36.00b39.00 43.00 48.00a41.00 34.00a26.00 29.00a21.00k
200521.00b24.00 29.00a31.00 38.00b37.00b42.00 42.00a33.00 32.00 26.00 21.00 21.00h
200631.00a16.00a26.00 30.00b29.00 39.00 40.00b40.00 37.00 25.00a19.00a25.00a16.00i
200718.00a24.00 28.00a26.00b32.00b35.00c42.00a41.00b35.00d27.00 24.00b25.00a18.00s
200820.00a28.00 25.00 25.00 35.00a36.00 38.00 38.00 34.00d28.00a29.00 16.00j16.00q
200926.00r25.00a25.00 27.00 -----z37.00 38.00 40.00h36.00g24.00m18.00 19.00r-----z
201023.00h-----z-----z29.00i30.00f42.00s-----z-----z-----z-----z15.00m20.00m-----z
201120.00 19.00 30.00 27.00h30.00o51.00y42.00q38.00l38.00 21.00e20.00 20.00 -----z
201221.00 25.00 25.00 25.00f29.00f25.00f-----z-----z-----z31.00g31.00p-----z-----z
2013-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2014-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2015-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2016-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2017-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2018-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2019-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2020-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN21.10 23.04 26.39 28.73 32.02 36.81 40.38 40.47 35.89 29.40 25.43 22.15 14.21
S.D.6.41 5.31 2.68 2.10 2.03 2.60 2.81 2.44 3.52 3.29 4.57 6.78 5.85
SKEW-0.69 -1.34 -1.02 -1.07 0.58 0.14 0.03 0.28 0.16 -0.48 -1.42 -1.38 -0.14
MAX31.00 31.00 31.00 33.00 38.00 42.00 48.00 48.00 43.00 36.00 31.00 30.00 25.00
MIN4.00 3.00 19.00 22.00 29.00 32.00 34.00 34.00 29.00 21.00 9.00 2.00 2.00
YRS48 49 49 48 46 47 47 47 47 47 49 47 19