| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.78 | -0.10 |
| Feb | 3.38 | 3.50 | -0.12 |
| Mar | 3.74 | 4.04 | -0.30 |
| Apr | 2.90 | 3.00 | -0.10 |
| May | 3.37 | 3.35 | 0.02 |
| Jun | 4.67 | 4.80 | -0.13 |
| Jul | 4.64 | 4.72 | -0.08 |
| Aug | 4.76 | 4.81 | -0.05 |
| Sep | 4.10 | 4.14 | -0.04 |
| Oct | 3.25 | 3.43 | -0.18 |
| Nov | 2.87 | 3.00 | -0.13 |
| Dec | 3.72 | 3.83 | -0.11 |
45.08 | 46.40 | -1.32 |