| 2026-02-01 | 5:00 AM | 0.00 | 0.0 | NA | 3.0 | NA | | 5am Chapman COOP Station CPMK1 17.6°F Max 19.0°F Min -11.1°F No Precipitation 3" Inches of snowpack Tempest: 18.5°F Dewpoint 10.8°F Feels like 14° Humidity 72% Pressure 1024.8 |
| 2026-01-31 | 5:00 AM | T | T | T | 3.0 | NA | | 5am Chapman COOP Station CPMK1 -8.7° Max 23.8°F Min -8.7° Trace of snow 3" Inches of snowpack Tempest: -7.6°F Dewpoint -10° Humidity 87% Pressure 1039.3 |
| 2026-01-30 | 5:00 AM | 0.00 | 0.0 | NA | 3.0 | NA | | 5am Chapman COOP Station CPMK1 22.0°F Max 28.5°F Min 21.9°F No Precipitation 3" Inches of snowpack Tempest: 23.2°F Dewpoint 19° Humidity 83% Pressure 1028.5 |
| 2026-01-29 | 5:00 AM | 0.00 | 0.0 | NA | 3.0 | NA | | 5am Chapman COOP Station CPMK1 23.1°F Max 36.2°F Min 3.3°F No Precipitation Tempest: 23.9°F Feels like 20° Dewpoint 17.8° Humidity 77% Pressure 1020.4 |
| 2026-01-28 | 5:00 AM | 0.00 | 0.0 | NA | 4.0 | NA | | 5am Chapman COOP Station CPMK1 4.0°F Max 30.1°F Min 3.6°F No Precipitation 4" Inches of snowpack Tempest: 4.8° Dewpoint 3° Humidity 92% Pressure 1027.6 |
| 2026-01-27 | 5:00 AM | 0.00 | 0.0 | NA | 5.0 | NA | | 5am Chapman COOP Station CPMK1 8.6°F Max 24.5°F Min -15.0°F no Precipitation 5" snowpack Tempest: 9.9°F Dewpoint 8° Humidity 93% Pressure 1024.2 |
| 2026-01-26 | 5:00 AM | 0.00 | 0.0 | NA | 6.0 | NA | | 5am Chapman COOP Station CPMK1 -11.5° Max 10.6°F Min -11.0° No Precipitation Tempest: -10.3°F Dewpoint -13° Humidity 86% Pressure 1034 |
| 2026-01-25 | 5:00 AM | 0.28 | 3.2 | 0.28 | 7.0 | NA | | 5am Chapman COOP Station CPMK1 Max 5°F Min -1°F Tempest: 3.0°F Feels like -4° 7.0" Inches of snow total 3.2" for 24hour 0.28" Inches melted Dewpoint -0.4° Humidity 85% Pressure 1024.5 |
| 2026-01-24 | 5:00 AM | 0.13 | 3.7 | 0.13 | 4.0 | 0.13 | | 5am Chapman COOP Station CPMK1 0.1°F Max 15.3°F Min 0.1°F 3.7" Inches of snow 0.13" Inches melted Tempest: 0.7°F Dewpoint -2° Humidity 87% Pressure 1034.2
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| 2026-01-23 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 11.3°F Max 15.2°F Min 46.0°F No Precipitation Tempest: 13.3°F Feels like 6° Dewpoint -1.6° Humidity 50% Pressure 1034.2 |
| 2026-01-22 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 17.7°F Max 50.3°F Min 16.4°F No Precipitation Tempest: 18.3°F Dewpoint 13° Humidity 79% Pressure 1024.3 |
| 2026-01-21 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 26.3°F Max 52.0°F Min 18.3°F No Precipitation Tempest: 27.5°F Dewpoint 22° Humidity 78% Pressure 1021.8 |
| 2026-01-20 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 20.1°F Max 27.8°F Min 15.6°F No Precipitation Tempest: 20.8°F Dewpoint 15° Humidity 78% Pressure 1024.5 |
| 2026-01-19 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 19.6°F Max 50.9°F 16.5°F Min Tempest: 20.7°F Feels like 12° Humidity 69% Pressure 1030.0 |
| 2026-01-18 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 18.0°F Max 22.2°F Min 6.8°F No Precipitation Tempest: 19.4°F Feels like 15° Dewpoint 8° Humidity 61% Pressure 1016.8 |
| 2026-01-17 | 5:00 AM | T | T | NA | NA | NA | | 5am Chapman COOP Station CPMK1 19.5°F Max 42.2°F Min 18.0°F Tempest: 20.7°F Dewpoint 14° Humidity 74% Pressure 1018.6 Trace of snow |
| 2026-01-16 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 38.2°F Max 53.2°F Min 16.8°F No Precipitation Tempest: 39.9°F Feels like 36° Dewpoint 27° Humidity 61% Pressure 1021.1 |
| 2026-01-15 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 18.2°F
Max 42.0°F Min 17.0°F No Precipitation Tempest: 18.5°F Dewpoint 17° Humidity 94% Pressure 1020.9 |
| 2026-01-14 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 41.6°F Max 56.5°F Min 32.5°F No Precipitation Tempest: 42.4°F Feels like 38° Dewpoint 36° Humidity 80% Pressure 1018.5 |
| 2026-01-13 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 35.0°F Max 59.7°F Min 24.9°F No Precipitation Tempest: 35.1°F Dewpoint 32° Humidity 89% Pressure 1015.7 |
| 2026-01-12 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 26.9°F Max 43.4°F Min 21.4°F No Precipitation Tempest: 27.1°F Dewpoint 26°Humidity 95% Pressure 1024.6 |
| 2026-01-11 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 24.6°F Max 42.3°F Min 22.6°F No Precipitation Tempest: 25.5°F Dewpoint 21° Humidity 84% Pressure 1033.0 |
| 2026-01-10 | 5:00 AM | 0.08 | 0.5 | 0.08 | NA | NA | | 5am Chapman COOP Station CPMK1 28.9°F Max 42.4°F Min 27.2°F 0.5" inches of snow 0.08" melted. Tempest: 30.4°F Feels like 26° Dewpoint 26° Humidity 86% Pressure 1025.8 |
| 2026-01-09 | 5:00 AM | 0.81 | NA | NA | NA | NA | | 5am Chapman COOP Station CPMK1 28.6°F Max 48.9°F Min 30.0°F 0.81" Inches of rain Tempest: 29.3°F Dewpoint 29° Humidity 97% Pressure 1014.8 |
| 2026-01-08 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 41.9°F Max 67.0°F Min 26.3°F No Precipitation Tempest: 43.3°F Dewpoint 37° Humidity 78% Pressure 1001.3 |
| 2026-01-07 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 27.1°F Max 62.0°F Min 27.6°F No Precipitation Tempest: 27.7°F Dewpoint 24° Humidity 86% Pressure 1010.8 |
| 2026-01-06 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 33.2°F Max 58.1°F Min 30.1°F No Precipitation Tempest: 34.0°F Dewpoint 32° Humidity 94% Pressure 1007.7 |
| 2026-01-05 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 33.2°F Max 61.4°F Min 28.6°F No Precipitation Tempest: 34.7°F Dewpoint 33° Humidity 93% Pressure 1007.2 |
| 2026-01-04 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 29.0°F Max 44.7°F Min 27.9°F No Precipitation Tempest: 29.8°F Humidity 90% Pressure 1016.0 |
| 2026-01-03 | 5:00 AM | T | NA | NA | NA | NA | | 5am Chapman COOP Station CPMK1 28.3°F Max 33.5°F°Min 28.5°F Trace of ice. Tempest: 29.5°F Dewpoint 26° Humidity 87% Pressure 1017.2 |
| 2026-01-02 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 30.8°F Max 46.6°F Min 30.9°F No Precipitation Tempest: 31.6°F Dewpoint 31° Humidity 96% Pressure 1010.0 |
| 2026-01-01 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5am Chapman COOP Station CPMK1 32.2°F Max 61.4°F Min 22.1°F No Precipitation Tempest: 33.3°F Dewpoint 32° Humidity 95% Pressure 1016.2 |