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Period of Record:
1941-1994 for means (all data except extremes);
1941-1996 for extremes;
 other notable extremes included.

Lewistown Local Climatological Data

MONTH TEMPERATURES DAYS WITH MAXIMA DAYS WITH MINIMA DEGREE DAYS PRECIPITATION SNOWFALL DAYS WITH PRECIPITATION
  Daily Maximum Daily Minimum Monthly Record Highest Year Day Record Lowest Year Day 90 and Above 32 and Below 32 and Below 0 and Below Heating Base 65 Cooloing Base 65 Mean Greatest Monthly Year Greatest Daily Year Day Mean Maximum Monthly Year 0.10 or more 0.50 or more 1.00 or more
JAN 36.7 19.5 28.1 72 1967 26 -17 1994 21 0.0 9.3 27.1 3.7 1190 0 2.32 6.63 1996 2.80 1944   7.3 40.3 1996 5.5 1.6 0.3
FEB 39.7 20.8 30.3 78 1954 17 -14 1948   0.0 6.3 24.2 2.5 1005 0 2.38 6.15 1984 2.85 1984 14 6.4 23.6 1993 5.5 1.6 0.3
MAR 49.1 28.2 38.7 87 1977 30 3 1993 15 0.0 1.2 21.3 0.3 800 0 3.33 7.61 1994 3.27 1994 3 5.0 36.0 1942 6.8 2.1 0.5
APR 62.3 38.1 50.2 92 1960 26 15 1982 7 0.3 0.0 7.4 0.0 453 0 3.16 10.18 1993 2.35 1993 17 0.1 4.5 1982 7.1 2.1 0.4
MAY 73.1 47.2 60.2 97 1962 16 26 1947 3 0.9 0.0 0.7 0.0 191 39 3.92 7.80 1960 3.33 1953 26 0.0 0.0   7.9 2.7 0.7
JUN 81.3 56.0 68.7 102 1952 27 37 1945 11 3.9 0.0 0.0 0.0 21 123 3.86 9.53 1972 3.53 1972 22 0.0 0.0   7.1 2.6 0.8
JUL 85.5 61.0 73.3 102 1988 16 41 1980 9 8.0 0.0 0.0 0.0 0 251 3.95 12.98 1989 2.65 1989 22 0.0 0.0   6.9 2.7 1.0
AUG 84.0 59.5 71.8 103 1948 27 35 1981 9 4.8 0.0 0.0 0.0 6 211 3.38 9.66 1955 2.74 1961 3 0.0 0.0   5.6 2.1 0.9
SEP 76.5 52.3 64.4 103 1953 4 28 1943 25 1.8 0.0 0.2 0.0 95 74 3.15 11.99 1996 3.28 1996 26 0.0 0.0   5.9 2.1 0.6
OCT 65.5 40.8 53.2 95 1953 1 21 1988 30 0.1 0.0 5.3 0.0 380 8 2.92 8.58 1976 3.40 1954 21 0.0 0.0   5.1 1.8 0.7
NOV 52.5 32.8 42.7 85 1950 2 1 1965 30 0.0 0.3 15.1 0.0 669 0 3.37 8.52 1985 3.54 1993 28 1.1 11.0 1953 6.2 2.2 0.8
DEC 40.0 23.9 31.7 75 1984 30 -16 1960 24 0.0 5.7 25.0 1.3 1026 0 2.81 5.95 1990 1.90 1992 11 5.1 25.0 1969 5.7 1.9 0.5
                                                       
YEAR 62.3 40.1 51.1 103 1953 9/4 -17 1994 1/21 19.8 22.8 126.3 7.8 5836 706 38.71 52.36 1979 3.54 1993 11/28 25.4 72.2 1994 75.5 25.5 7.5

Lewistown Sunrise/Sunset Times

  JANUARY FEBRUARY MARCH APRIL MAY JUNE JULY AUGUST SEPTEMBER OCTOBER NOVEMBER DECEMBER
Day Rise Set Rise Set Rise Set Rise Set Rise Set Rise Set Rise Set Rise Set Rise Set Rise Set Rise Set Rise Set
  h m h m h m h m h m h m h m h m h m h m h m h m h m h m h m h m h m h m h m h m h m h m h m h m
1 734 1654 720 1728 645 1801 555 1835 510 1906 442 1935 443 1945 507 1926 537 1843 606 1753 640 1707 714 1644
2 734 1655 719 1729 643 1802 553 1836 508 1907 441 1935 444 1945 508 1925 538 1841 607 1751 641 1706 715 1644
3 734 1655 718 1730 642 1803 551 1837 507 1908 441 1936 444 1945 509 1924 539 1840 608 1750 642 1705 716 1644
4 734 1656 717 1731 640 1805 550 1838 506 1909 441 1937 445 1944 510 1922 540 1838 609 1748 643 1704 717 1643
5 734 1657 716 1733 639 1806 548 1839 505 1910 440 1937 445 1944 511 1921 541 1836 610 1746 645 1703 718 1643
6 734 1658 715 1734 637 1807 546 1840 503 1911 440 1938 446 1944 512 1920 542 1835 611 1745 646 1702 719 1643
7 734 1659 714 1735 635 1808 545 1841 502 1912 440 1939 446 1944 513 1919 543 1833 612 1743 647 1700 720 1643
8 734 1700 713 1736 634 1809 543 1842 501 1913 440 1939 447 1943 514 1918 544 1832 614 1742 648 1659 721 1643
9 734 1701 712 1738 632 1810 542 1843 500 1914 439 1940 448 1943 515 1916 545 1830 615 1740 649 1658 722 1643
10 734 1702 711 1739 631 1811 540 1844 459 1915 439 1940 448 1943 516 1915 546 1828 616 1738 651 1657 723 1643
11 733 1703 709 1740 629 1812 539 1845 458 1916 439 1941 449 1942 516 1914 547 1827 617 1737 652 1656 724 1643
12 733 1704 708 1741 627 1813 537 1846 457 1917 439 1941 450 1942 517 1913 548 1825 618 1735 653 1656 724 1643
13 733 1705 707 1742 626 1814 535 1847 456 1918 439 1942 451 1941 518 1911 549 1823 619 1734 654 1655 725 1644
14 732 1706 706 1744 624 1816 534 1848 455 1919 439 1942 451 1941 519 1910 550 1822 620 1732 655 1654 726 1644
15 732 1708 704 1745 623 1817 532 1849 454 1920 439 1943 452 1940 520 1908 551 1820 621 1731 656 1653 727 1644
16 732 1709 703 1746 621 1818 531 1850 453 1921 439 1943 453 1939 521 1907 552 1818 622 1729 658 1652 727 1644
17 731 1710 702 1747 619 1819 529 1851 452 1922 439 1943 454 1939 522 1906 553 1816 623 1728 659 1651 728 1645
18 731 1711 701 1748 618 1820 528 1852 451 1923 439 1944 454 1938 523 1904 554 1815 624 1726 700 1651 729 1645
19 730 1712 659 1750 616 1821 526 1853 450 1924 439 1944 455 1937 524 1903 554 1813 625 1725 701 1650 729 1645
20 730 1713 658 1751 614 1822 525 1854 449 1925 439 1944 456 1937 525 1901 555 1811 626 1723 702 1649 730 1646
21 729 1714 656 1752 613 1823 523 1855 449 1926 440 1944 457 1936 526 1900 556 1810 627 1722 703 1649 730 1646
22 728 1716 655 1753 611 1824 522 1856 448 1926 440 1945 458 1935 527 1858 557 1808 629 1720 704 1648 731 1647
23 728 1717 654 1754 609 1825 520 1858 447 1927 440 1945 459 1934 528 1857 558 1806 630 1719 706 1647 731 1647
24 727 1718 652 1756 608 1826 519 1859 446 1928 440 1945 500 1934 529 1855 559 1805 631 1718 707 1647 732 1648
25 726 1719 651 1757 606 1827 518 1900 446 1929 441 1945 500 1933 530 1854 600 1803 632 1716 708 1646 732 1648
26 726 1720 649 1758 604 1828 516 1901 445 1930 441 1945 501 1932 531 1852 601 1801 633 1715 709 1646 732 1649
27 725 1722 648 1759 603 1829 515 1902 445 1931 441 1945 502 1931 532 1851 602 1800 634 1714 710 1645 733 1650
28 724 1723 646 1800 601 1830 514 1903 444 1932 442 1945 503 1930 533 1849 603 1758 635 1712 711 1645 733 1650
29 723 1724     559 1831 512 1904 443 1932 442 1945 504 1929 534 1848 604 1756 637 1711 712 1645 733 1651
30 722 1725     558 1832 511 1905 443 1933 443 1945 505 1928 535 1846 605 1755 638 1710 713 1644 734 1652
31 721 1727     556 1834     442 1934     506 1927 536 1845     639 1708     734 1653