| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.87 | 3.08 | -0.21 |
| Feb | 2.38 | 2.50 | -0.12 |
| Mar | 3.13 | 3.16 | -0.03 |
| Apr | 3.40 | 3.47 | -0.07 |
| May | 3.78 | 3.86 | -0.08 |
| Jun | 4.13 | 4.21 | -0.08 |
| Jul | 4.08 | 4.08 | 0.00 |
| Aug | 3.55 | 3.36 | 0.19 |
| Sep | 3.53 | 3.52 | 0.01 |
| Oct | 2.89 | 2.91 | -0.02 |
| Nov | 2.77 | 2.88 | -0.11 |
| Dec | 2.94 | 3.04 | -0.10 |
39.45 | 40.07 | -0.62 |