California Temperature Monitor - 10 CRN sites - September 2025 ----------------------------------------------------------------------------------------------------- TAverage(deg F) TMinimum TMaximum TRange # of Lowest Highest # of Date Clim Obs Dep Obs Dep Obs Dep Obs Dep Sites Tminimum Tmaximum Rlos Rhis ----------------------------------------------------------------------------------------------------- 20250901 75.2 79.2| 4.0 66.2| 3.5 92.6| 4.3 26.5| 0.9 10 52.0|CA 115.3|CA 0 0 20250902 75.1 77.8| 2.7 66.5| 3.8 90.6| 2.5 24.1| -1.4 10 50.9|NV 104.2|CA 0 0 20250903 75.0 76.7| 1.7 66.3| 3.6 89.1| 1.0 22.8| -2.6 10 53.2|NV 106.0|CA 0 0 20250904 75.0 75.8| 0.8 64.4| 1.8 89.0| 0.8 24.6| -0.9 10 52.9|NV 110.5|CA 0 0 20250905 75.0 73.8| -1.2 62.1| -0.4 86.3| -1.9 24.2| -1.5 10 48.2|NV 109.6|CA 0 0 20250906 74.8 73.3| -1.5 61.7| -0.7 86.4| -1.7 24.8| -0.9 10 47.7|NV 109.9|CA 0 0 20250907 74.5 73.2| -1.3 60.8| -1.3 85.7| -1.9 25.1| -0.5 10 44.4|NV 112.1|CA 0 0 20250908 73.9 73.0| -0.9 60.4| -1.3 85.4| -1.5 25.0| -0.2 10 41.9|NV 108.7|CA 0 0 20250909 73.2 70.6| -2.6 60.7| -0.5 81.5| -4.6 20.8| -4.1 10 41.0|NV 105.1|CA 0 0 20250910 72.7 67.9| -4.8 58.6| -2.2 78.6| -6.8 20.1| -4.6 10 39.2|NV 101.1|AZ 0 0 20250911 72.2 67.0| -5.2 56.5| -3.8 77.8| -7.1 21.3| -3.3 10 41.5|NV 98.2|AZ 1 0 20250912 71.9 68.5| -3.4 57.0| -3.0 80.6| -4.0 23.5| -1.0 10 38.5|NV 99.3|CA 0 0 20250913 71.5 70.0| -1.5 58.1| -1.5 82.7| -1.5 24.6| -0.0 10 41.2|NV 103.1|CA 1 0 20250914 71.1 70.4| -0.7 57.6| -1.5 83.0| -0.7 25.3| 0.7 10 39.9|NV 106.2|CA 0 0 20250915 70.6 71.9| 1.3 58.5| 0.0 86.1| 2.9 27.6| 2.9 10 34.9|NV 106.5|CA 0 0 20250916 70.1 74.4| 4.3 61.5| 3.4 88.2| 5.5 26.8| 2.1 10 42.8|NV 107.8|CA 0 1 20250917 69.7 75.4| 5.7 64.2| 6.5 88.8| 6.5 24.6| 0.0 10 53.6|CA 109.4|CA 0 2 20250918 69.4 72.9| 3.5 63.7| 6.2 82.7| 0.7 18.9| -5.6 10 50.2|CA 97.3|CA 0 0 20250919 69.1 70.4| 1.3 62.7| 5.4 80.2| -1.5 17.5| -6.9 10 50.0|CA 99.0|AZ 0 0 20250920 68.9 71.8| 2.9 62.9| 5.8 83.2| 1.7 20.3| -4.1 10 51.3|NV 101.3|AZ 0 0 20250921 68.8 71.1| 2.3 60.6| 3.7 82.1| 0.6 21.4| -3.1 10 43.3|NV 101.1|CA 0 0 20250922 68.9 71.0| 2.1 59.7| 2.8 84.0| 2.2 24.2| -0.7 10 34.2|NV 103.3|CA 0 0 20250923 69.2 75.0| 5.8 61.9| 4.9 89.1| 6.8 27.2| 1.9 10 39.9|NV 105.8|CA 0 1 20250924 69.6 74.8| 5.2 64.6| 7.3 86.8| 4.0 22.2| -3.3 10 42.8|NV 106.5|CA 0 1 20250925 69.9 72.2| 2.3 61.8| 4.2 83.1| -0.0 21.4| -4.2 10 45.3|NV 102.9|AZ 0 0 20250926 69.9 70.2| 0.3 60.7| 3.0 81.7| -1.4 21.1| -4.3 10 38.5|NV 102.0|CA 0 0 20250927 69.6 69.6| -0.0 59.7| 2.2 80.1| -2.6 20.4| -4.8 10 39.4|NV 99.5|CA 0 0 20250928 69.0 68.8| -0.2 60.0| 2.9 79.7| -2.3 19.7| -5.2 9 47.5|NV 97.2|CA 0 0 20250929 68.4 67.0| -1.4 57.7| 1.1 76.9| -4.3 19.2| -5.4 10 40.3|NV 98.6|CA 0 1 20250930 67.8 65.8| -2.0 57.6| 1.6 74.8| -5.6 17.1| -7.2 10 40.5|NV 96.6|CA 0 0 ----------------------------------------------------------------------------------------------------- 202509 71.3 72.0| 0.7 61.2| 1.9 83.9| -0.3 22.7| -2.2 10.0 34.2|NV 115.3|CA 2 6 Clim => 21-year climatology for 2006-2026 Obs => Daily Observation Dep => Departure from climatology TAverage => Average over all 288 5-min observations each day # of Rlos => Number of record low minimum temperatures, expected value ~ 0.5 each day # of Rhis => Number of record high maximum temperatures, expected value ~ 0.5 each day