BLACK ROCK, n

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(291018)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 194906
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) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1908 ----- z ----- z ----- z ----- z ----- z 31.00 50.00 41.00 a 28.00 30.00 m 10.00 i 8.00 8.00
1909 ----- z 6.00 14.00 11.00 23.00 36.00 50.00 52.00 33.00 18.00 9.00 -21.00 -21.00
1910 -24.00 -7.00 23.00 17.00 30.00 40.00 44.00 48.00 35.00 24.00 22.00 0.00 -24.00
1911 -4.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 18.00 o 1.00 -21.00 -21.00
1912 -12.00 7.00 19.00 15.00 g 23.00 39.00 40.00 40.00 22.00 22.00 15.00 -3.00 -12.00
1913 -22.00 -12.00 8.00 12.00 24.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z -22.00
1914 ----- z ----- z ----- z ----- z 30.00 40.00 51.00 45.00 39.00 31.00 a 19.00 -2.00 -2.00
1915 -12.00 -4.00 11.00 30.00 a 23.00 33.00 44.00 50.00 31.00 a 28.00 11.00 -11.00 a -12.00
1916 -11.00 -17.00 15.00 22.00 29.00 36.00 37.00 47.00 37.00 26.00 5.00 -3.00 -17.00
1917 -2.00 9.00 7.00 15.00 b 29.00 a 32.00 52.00 42.00 31.00 11.00 12.00 1.00 -2.00
1918 -18.00 a -4.00 18.00 16.00 23.00 36.00 b 48.00 a 43.00 a 31.00 c 19.00 -4.00 -10.00 a -18.00
1919 -31.00 -10.00 -4.00 14.00 b 28.00 a 22.00 46.00 a 42.00 a 34.00 a 16.00 a -9.00 b -5.00 -31.00
1920 -14.00 10.00 h 6.00 5.00 20.00 b 32.00 u ----- z ----- z 34.00 19.00 8.00 -8.00 d -14.00
1921 2.00 -10.00 g 17.00 11.00 25.00 32.00 46.00 51.00 39.00 22.00 9.00 8.00 -10.00
1922 0.00 b -14.00 6.00 16.00 25.00 41.00 51.00 53.00 40.00 24.00 c 9.00 13.00 -14.00
1923 7.00 4.00 10.00 24.00 22.00 34.00 52.00 48.00 32.00 20.00 22.00 f 3.00 3.00
1924 0.00 10.00 14.00 18.00 30.00 35.00 47.00 45.00 29.00 21.00 g 9.00 -21.00 -21.00
1925 -18.00 14.00 16.00 24.00 7.00 30.00 50.00 40.00 38.00 27.00 14.00 9.00 -18.00
1926 -12.00 12.00 8.00 32.00 31.00 42.00 44.00 48.00 41.00 28.00 15.00 -20.00 -20.00
1927 0.00 15.00 5.00 23.00 28.00 36.00 49.00 46.00 37.00 a 29.00 17.00 -3.00 -3.00
1928 8.00 -4.00 16.00 13.00 35.00 37.00 40.00 45.00 37.00 d 25.00 13.00 -1.00 -4.00
1929 -1.00 -9.00 8.00 17.00 24.00 38.00 51.00 51.00 41.00 23.00 6.00 6.00 -9.00
1930 -16.00 10.00 9.00 25.00 25.00 33.00 52.00 50.00 36.00 23.00 1.00 -6.00 -16.00
1931 -3.00 20.00 9.00 26.00 29.00 39.00 48.00 45.00 34.00 23.00 -23.00 i -16.00 -23.00
1932 -24.00 -8.00 9.00 18.00 29.00 32.00 50.00 46.00 37.00 20.00 10.00 -19.00 -24.00
1933 -5.00 -20.00 12.00 12.00 22.00 37.00 50.00 51.00 42.00 31.00 20.00 -1.00 -20.00
1934 6.00 20.00 18.00 21.00 34.00 34.00 47.00 52.00 33.00 15.00 1.00 6.00 a 1.00
1935 -3.00 -1.00 17.00 22.00 32.00 38.00 44.00 53.00 36.00 16.00 9.00 9.00 -3.00
1936 -5.00 d 12.00 13.00 18.00 31.00 28.00 45.00 b 50.00 33.00 e 29.00 12.00 -5.00 g -5.00
1937 -19.00 0.00 a 12.00 19.00 26.00 36.00 48.00 45.00 h 35.00 21.00 a 11.00 c 10.00 -19.00
1938 1.00 4.00 13.00 12.00 27.00 h 35.00 45.00 c 46.00 h 41.00 23.00 1.00 d 11.00 f 1.00
1939 -3.00 -17.00 -1.00 f 24.00 32.00 32.00 44.00 b 41.00 c 35.00 b 18.00 12.00 -11.00 g -17.00
1940 4.00 6.00 10.00 a 21.00 31.00 37.00 h 46.00 43.00 44.00 26.00 a 12.00 c 11.00 4.00
1941 4.00 16.00 16.00 14.00 29.00 32.00 43.00 45.00 d 29.00 22.00 9.00 d 2.00 2.00
1942 -12.00 -5.00 7.00 24.00 26.00 38.00 47.00 45.00 34.00 c 23.00 a 15.00 f 16.00 -12.00
1943 -14.00 f 3.00 13.00 23.00 b 26.00 a 35.00 42.00 g 53.00 a 39.00 e 25.00 i 10.00 c 5.00 e -14.00
1944 -3.00 4.00 10.00 20.00 23.00 30.00 45.00 38.00 36.00 29.00 8.00 5.00 -3.00
1945 -1.00 4.00 14.00 10.00 24.00 31.00 47.00 49.00 26.00 18.00 7.00 -8.00 -8.00
1946 -4.00 -9.00 13.00 22.00 30.00 33.00 46.00 d ----- z 40.00 ----- z 18.00 q 2.00 d -9.00
1947 -19.00 10.00 15.00 20.00 30.00 34.00 47.00 ----- z 36.00 23.00 4.00 n ----- z -19.00
1948 -9.00 a -14.00 a -7.00 18.00 26.00 a 37.00 48.00 45.00 h 37.00 e 27.00 3.00 d -1.00 r -14.00
1949 -16.00 -7.00 13.00 22.00 29.00 b 35.00 c ----- z ----- z ----- z ----- z ----- z ----- z -16.00
Period of Record Statistics
MEAN -7.66 0.65 11.39 18.71 26.74 34.71 46.86 46.61 35.18 22.83 9.03 -1.86 -11.53
S.D. 9.77 10.98 5.78 5.77 4.87 3.92 3.54 4.31 4.62 4.79 6.58 10.49 8.27
SKEW -0.42 -0.06 -1.05 -0.03 -1.58 -0.70 -0.65 -0.15 -0.58 -0.27 -0.51 -0.46 -0.05
MAX 8.00 20.00 23.00 32.00 35.00 42.00 52.00 53.00 44.00 31.00 22.00 16.00 1.00
MIN -31.00 -20.00 -7.00 5.00 7.00 22.00 37.00 38.00 22.00 11.00 -9.00 -21.00 -24.00
NO YRS 38 37 38 38 39 38 37 33 39 35 34 35 17