January 2024 was overall milder and wetter than average. The average temperature was 29.0 degrees, 3.6 degrees above average, while the precipitation total was 1.03″, which was about 0.32″ above average. Most areas of the valley recorded about 0.70″ to 1.00″ of precipitation for the month, with a little more in the foothills.
The month was partially above average due to the milder than average lows, almost all in the second half of the month. The average low temperature for the month was 17.6 degrees (6.8 degrees above average), which was the 12th warmest for the month of January.
The month started out dry and somewhat mild with highs in the mid 40s, but then turned colder and wetter starting on the 4th. For the next 10 days, there would be a snowstorm about every 2-3 days, as a series of four El Nino systems rolled through the region, bringing the bulk of the precipitation for the month. It also turned quite cold with a week of highs below 32 degrees from the 6th to the 12th, along with some sub zero lows.
It dried out and warmed back up to above average from the 15th to the 20th, as highs climbed into the mid to upper 40s and lows ranged from 15 to 25. Starting on the 21st and continuing to the 27th, another series of El Nino storms moved through the region, but these were much weaker and milder with very light precipitation amounts.
A January thaw occurred during the last few days of the month as lots of sunshine helped to propel highs into the low to mid 50s. Almost all of the snow that fell during the month had melted by the last week of the month.
The warmest high for the month was 55 degrees on the 30th, while the coldest high was 24 degrees on the 12th. The warmest low was 30 degrees on the 24th, while the coldest low was -11 degrees on the 9th. No daily temperature or precipitation records were tied or set during the month.
Wind speeds overall were a bit below average for the month, especially during the last half of the month. There were just 2 days with gusts of 35 mph or higher. The day with the highest average wind speed was on the 15th, while the highest gust of 39 mph occurred on the 8th.
Here are the actual numbers for the month…
Average Temp . . . . 29.0 degrees, +3.6 degrees above average
Average High . . . . . 40.4 degrees, +0.4 degrees above average
Average Low . . . . . 17.6 degrees, +6.8 degrees above average
Total precip . . . . . . 1.03 inches, +0.32 inches above average
Total snowfall . . . . 13.8 inches, +5.6 inches above average
JAN 2024 DAILY DATA
| DATE | HIGH | LOW | DAILY DEP. | MON. DEP. | PCPN | SNOW | REMARK |
| 1 | 43 | 15 | +5.4 | +5.4 | |||
| 2 | 46 | 13 | +6.3 | +5.9 | |||
| 3 | 44 | 8 | +3.3 | +5.0 | |||
| 4 | 33 | 23 | +5.0 | +5.0 | 0.17″ | 2.3″ | |
| 5 | 34 | 16 | +1.4 | +4.3 | 0.04″ | 0.6″ | AM fog |
| 6 | 31 | 11 | -2.6 | +3.1 | |||
| 7 | 26 | 14 | -4.0 | +2.1 | 0.21″ | 2.9″ | |
| 8 | 29 | 1 | -9.1 | +0.7 | 0.13″ | 1.6″ | |
| 9 | 27 | -11 | -17.0 | -1.3 | |||
| 10 | 32 | 6 | -6.3 | -1.8 | |||
| 11 | 28 | 14 | -4.2 | -2.0 | 0.29″ | 4.6″ | |
| 12 | 24 | -3 | -14.2 | -3.0 | |||
| 13 | 35 | 17 | +1.5 | -2.6 | |||
| 14 | 42 | 25 | +8.3 | -1.9 | 0.12″ | 1.3″ | |
| 15 | 41 | 24 | +7.2 | -1.3 | T | T | |
| 16 | 38 | 16 | +1.0 | -1.1 | |||
| 17 | 43 | 13 | +1.8 | -0.9 | |||
| 18 | 45 | 26 | +9.5 | -0.4 | |||
| 19 | 45 | 19 | +5.5 | -0.1 | |||
| 20 | 48 | 21 | +8.2 | +0.4 | |||
| 21 | 38 | 27 | +7.2 | +0.7 | 0.02″ | 0.1″ | |
| 22 | 44 | 26 | +10.3 | +1.1 | T | T | |
| 23 | 47 | 26 | +11.3 | +1.6 | T | ||
| 24 | 48 | 30 | +13.0 | +2.0 | 0.01″ | T | |
| 25 | 41 | 29 | +7.9 | +2.3 | 0.02″ | 0.2″ | |
| 26 | 43 | 27 | +7.4 | +2.5 | 0.01″ | 0.1″ | |
| 27 | 45 | 24 | +6.8 | +2.6 | 0.01″ | 0.1″ | |
| 28 | 53 | 18 | +8.0 | +2.8 | |||
| 29 | 53 | 22 | +10.1 | +3.1 | |||
| 30 | 55 | 24 | +11.6 | +3.4 | |||
| 31 | 51 | 25 | +9.6 | +3.6 | |||
| AVGS/ TOTAL | 40.4 | 17.6 | Month 29.0 | Dep. +3.6 | 1.03″ | 13.8″ |
DAILY DEP. – Departure from the long term daily average temperature
MON. DEP. – Cumulative departure from the long term monthly average temperature
PCPN – Precipitation
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