Colorado Temperature Monitor - 8 CRN sites - December 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 ----------------------------------------------------------------------------------------------------- 20251201 30.1 22.6| -7.5 12.9| -5.9 34.0| -8.3 21.2| -2.3 8 1.9|CO 42.1|CO 1 0 20251202 30.0 29.4| -0.6 17.1| -1.5 42.4| 0.1 25.2| 1.6 8 12.4|KS 55.8|CO 0 0 20251203 29.8 26.0| -3.8 17.7| -0.6 31.9|-10.1 14.0| -9.6 8 -2.0|CO 45.7|OK 0 0 20251204 29.3 21.5| -7.8 13.3| -4.7 29.6|-11.9 16.4| -7.1 8 3.7|CO 37.0|KS 0 0 20251205 28.8 27.4| -1.4 17.8| 0.0 37.2| -3.8 19.5| -3.8 8 7.5|CO 49.8|KS 0 0 20251206 28.4 34.5| 6.1 22.8| 5.4 46.4| 5.9 23.6| 0.5 8 17.4|CO 66.6|OK 0 0 20251207 28.2 30.2| 2.0 22.1| 4.9 39.4| -0.8 17.3| -5.7 8 16.0|CO 51.8|CO 0 0 20251208 28.1 34.7| 6.6 23.1| 6.1 47.9| 7.7 24.8| 1.6 8 19.4|KS 62.8|OK 0 0 20251209 28.3 40.9| 12.6 28.1| 11.1 54.5| 13.9 26.3| 2.8 8 23.4|KS 71.8|OK 0 0 20251210 28.7 39.6| 10.9 30.9| 13.5 49.2| 8.1 18.4| -5.3 8 26.4|CO 56.1|CO 0 0 20251211 29.2 46.3| 17.1 33.9| 15.9 61.2| 19.7 27.3| 3.8 8 26.6|CO 82.4|OK 0 3 20251212 29.4 38.8| 9.4 28.8| 10.4 50.3| 8.9 21.5| -1.5 8 21.7|CO 56.7|CO 0 0 20251213 29.1 35.9| 6.8 24.8| 6.4 50.6| 9.9 25.8| 3.4 8 17.2|CO 68.2|CO 0 1 20251214 28.5 34.2| 5.7 24.8| 7.0 48.2| 8.4 23.5| 1.5 8 18.0|KS 60.1|CO 0 2 20251215 27.7 40.1| 12.4 25.3| 8.2 58.3| 19.2 33.0| 11.0 8 15.6|CO 69.6|KS 0 3 20251216 27.2 40.4| 13.2 26.7| 10.2 57.5| 18.7 30.8| 8.5 8 20.3|CO 73.6|KS 0 2 20251217 27.2 42.4| 15.2 26.5| 10.1 58.6| 19.6 32.2| 9.6 8 18.3|CO 76.3|CO 0 4 20251218 27.6 33.9| 6.3 20.3| 3.7 45.3| 5.7 25.0| 2.0 8 10.6|CO 58.1|KS 0 0 20251219 28.2 44.6| 16.4 26.5| 9.4 59.5| 19.2 32.9| 9.8 8 14.7|KS 74.5|CO 0 3 20251220 28.6 38.9| 10.3 29.0| 11.5 48.3| 7.7 19.3| -3.8 8 18.5|CO 59.4|OK 0 0 20251221 28.5 39.1| 10.6 28.1| 10.6 52.1| 11.8 24.0| 1.2 8 15.6|CO 56.8|CO 0 0 20251222 28.1 49.1| 21.0 34.0| 16.8 66.4| 26.7 32.3| 9.8 8 26.8|KS 84.2|CO 0 3 20251223 27.7 45.9| 18.2 34.5| 17.7 60.1| 21.1 25.7| 3.5 8 26.4|CO 77.0|OK 0 3 20251224 27.3 48.5| 21.2 36.1| 19.6 63.9| 25.4 27.8| 5.8 8 30.0|CO 80.8|OK 0 2 20251225 27.0 49.1| 22.1 37.0| 20.7 64.2| 26.1 27.2| 5.4 8 28.9|KS 85.8|OK 0 3 20251226 26.6 44.8| 18.2 34.5| 18.4 56.1| 18.5 21.6| 0.1 8 29.5|CO 76.1|OK 0 1 20251227 26.2 41.9| 15.7 30.0| 14.2 53.5| 16.5 23.6| 2.3 8 21.2|CO 79.7|OK 0 0 20251228 25.7 24.0| -1.7 13.8| -1.5 36.6| 0.0 22.8| 1.5 8 4.5|CO 53.1|OK 0 0 20251229 25.3 24.4| -0.9 11.9| -2.8 39.9| 3.6 28.1| 6.5 8 4.8|CO 50.2|OK 0 0 20251230 24.8 31.5| 6.7 18.2| 4.1 48.7| 12.7 30.5| 8.6 8 6.4|CO 59.0|KS 0 0 20251231 24.5 37.0| 12.5 23.8| 10.1 55.2| 19.3 31.4| 9.2 8 14.9|CO 66.7|KS 0 0 ----------------------------------------------------------------------------------------------------- 202512 27.9 36.7| 8.8 25.0| 8.0 49.9| 10.3 24.9| 2.3 8.0 -2.0|CO 85.8|OK 1 30 Clim => 23-year climatology for 2004-2026 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 ~ 0.4 each day # of Rhis => Number of record high maximum temperatures, expected value ~ 0.4 each day