| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.67 | 2.80 | -0.13 |
| Feb | 2.13 | 2.18 | -0.05 |
| Mar | 2.93 | 2.93 | 0.00 |
| Apr | 3.64 | 3.68 | -0.04 |
| May | 4.01 | 4.05 | -0.04 |
| Jun | 4.41 | 4.32 | 0.09 |
| Jul | 3.93 | 3.90 | 0.03 |
| Aug | 3.60 | 3.53 | 0.07 |
| Sep | 3.48 | 3.48 | 0.00 |
| Oct | 3.27 | 3.12 | 0.15 |
| Nov | 2.85 | 2.83 | 0.02 |
| Dec | 2.68 | 2.82 | -0.14 |
39.60 | 39.64 | -0.04 |