| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 3.04 | -0.05 |
| Feb | 2.47 | 2.34 | 0.13 |
| Mar | 3.20 | 3.17 | 0.03 |
| Apr | 3.62 | 3.70 | -0.08 |
| May | 3.88 | 3.88 | 0.00 |
| Jun | 4.46 | 4.25 | 0.21 |
| Jul | 4.14 | 4.04 | 0.10 |
| Aug | 3.72 | 3.45 | 0.27 |
| Sep | 3.67 | 3.63 | 0.04 |
| Oct | 3.01 | 2.93 | 0.08 |
| Nov | 2.83 | 2.87 | -0.04 |
| Dec | 3.03 | 3.04 | -0.01 |
41.02 | 40.34 | 0.68 |