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 75.0 79.2| 4.2 66.2| 3.7 92.6| 4.5 26.5| 0.9 10 52.0|CA 115.3|CA 0 0 20250902 74.9 77.7| 2.8 66.5| 4.0 90.6| 2.6 24.1| -1.4 10 50.9|NV 104.2|CA 0 0 20250903 74.9 76.7| 1.8 66.3| 3.8 89.1| 1.1 22.8| -2.7 10 53.2|NV 106.0|CA 0 0 20250904 75.0 75.9| 0.9 64.4| 1.8 89.0| 0.8 24.6| -1.0 10 52.9|NV 110.5|CA 0 0 20250905 75.0 73.8| -1.2 62.1| -0.4 86.2| -2.0 24.1| -1.6 10 48.2|NV 109.6|CA 0 0 20250906 74.9 73.4| -1.5 61.6| -0.8 86.4| -1.8 24.8| -1.0 10 47.7|NV 109.9|CA 0 0 20250907 74.6 73.2| -1.4 60.7| -1.4 85.8| -2.0 25.0| -0.6 10 44.4|NV 112.1|CA 0 0 20250908 74.0 73.0| -1.0 60.4| -1.4 85.5| -1.6 25.0| -0.3 10 41.9|NV 108.7|CA 0 0 20250909 73.4 70.6| -2.8 60.7| -0.6 81.5| -4.8 20.8| -4.2 10 41.0|NV 105.1|CA 0 0 20250910 72.9 67.9| -5.0 58.6| -2.3 78.7| -7.0 20.1| -4.7 10 39.2|NV 101.1|AZ 0 0 20250911 72.4 67.0| -5.4 56.6| -3.9 77.9| -7.3 21.3| -3.4 10 41.5|NV 98.2|AZ 1 0 20250912 72.0 68.4| -3.6 57.0| -3.1 80.5| -4.2 23.5| -1.1 10 38.5|NV 99.3|CA 0 0 20250913 71.6 70.0| -1.6 58.1| -1.6 82.7| -1.6 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 25.4| 0.8 10 39.9|NV 106.2|CA 0 0 20250915 70.5 71.9| 1.4 58.6| 0.1 86.1| 3.0 27.5| 2.9 10 34.9|NV 106.5|CA 0 0 20250916 70.0 74.5| 4.5 61.4| 3.5 88.3| 5.7 26.8| 2.2 10 42.8|NV 107.8|CA 0 1 20250917 69.5 75.4| 5.9 64.1| 6.7 88.8| 6.6 24.7| -0.0 10 53.6|CA 109.4|CA 0 3 20250918 69.2 72.9| 3.7 63.6| 6.5 82.6| 0.8 19.0| -5.7 10 50.2|CA 97.3|CA 0 0 20250919 68.9 70.3| 1.4 62.7| 5.7 80.2| -1.4 17.5| -7.1 10 50.0|CA 99.0|AZ 0 1 20250920 68.7 71.8| 3.1 62.9| 6.1 83.2| 1.8 20.3| -4.3 10 51.3|NV 101.3|AZ 0 0 20250921 68.6 71.1| 2.5 60.7| 4.0 82.2| 0.8 21.5| -3.2 10 43.3|NV 101.1|CA 0 0 20250922 68.7 71.0| 2.3 59.7| 3.1 83.9| 2.3 24.2| -0.8 10 34.2|NV 103.3|CA 0 0 20250923 69.0 75.0| 6.0 62.0| 5.2 89.1| 7.0 27.2| 1.8 10 39.9|NV 105.8|CA 0 1 20250924 69.4 74.8| 5.4 64.6| 7.5 86.8| 4.1 22.3| -3.4 10 42.8|NV 106.5|CA 0 1 20250925 69.8 72.2| 2.4 61.8| 4.4 83.1| 0.1 21.4| -4.4 10 45.3|NV 102.9|AZ 0 0 20250926 69.8 70.1| 0.3 60.6| 3.1 81.7| -1.4 21.1| -4.6 10 38.5|NV 102.0|CA 0 0 20250927 69.6 69.6| -0.0 59.8| 2.4 80.1| -2.7 20.3| -5.1 10 39.4|NV 99.5|CA 0 0 20250928 69.1 68.9| -0.2 60.0| 3.0 79.7| -2.4 19.6| -5.5 9 47.5|NV 97.2|CA 0 0 20250929 68.4 67.0| -1.4 57.7| 1.2 76.8| -4.5 19.2| -5.7 10 40.3|NV 98.6|CA 0 1 20250930 67.8 65.7| -2.1 57.6| 1.6 74.7| -5.8 17.2| -7.4 10 40.5|NV 96.6|CA 0 0 ----------------------------------------------------------------------------------------------------- 202509 71.3 72.0| 0.7 61.2| 2.0 83.9| -0.3 22.7| -2.4 10.0 34.2|NV 115.3|CA 2 8 Clim => 20-year climatology for 2006-2025 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