| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.69 | 0.05 |
| Feb | 1.03 | 0.93 | 0.10 |
| Mar | 1.78 | 1.81 | -0.03 |
| Apr | 2.91 | 2.99 | -0.08 |
| May | 4.81 | 4.78 | 0.03 |
| Jun | 4.56 | 4.64 | -0.08 |
| Jul | 4.15 | 4.15 | 0.00 |
| Aug | 3.43 | 3.54 | -0.11 |
| Sep | 3.01 | 3.12 | -0.11 |
| Oct | 2.34 | 2.30 | 0.04 |
| Nov | 1.40 | 1.36 | 0.04 |
| Dec | 1.09 | 1.07 | 0.02 |
31.25 | 31.38 | -0.13 |