| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.16 | 4.25 | -0.09 |
| Feb | 4.58 | 4.53 | 0.05 |
| Mar | 4.88 | 4.83 | 0.05 |
| Apr | 4.87 | 4.92 | -0.05 |
| May | 4.90 | 5.15 | -0.25 |
| Jun | 4.34 | 4.46 | -0.12 |
| Jul | 4.58 | 4.72 | -0.14 |
| Aug | 3.88 | 3.80 | 0.08 |
| Sep | 3.84 | 3.82 | 0.02 |
| Oct | 3.49 | 3.50 | -0.01 |
| Nov | 3.67 | 3.77 | -0.10 |
| Dec | 4.73 | 4.93 | -0.20 |
51.92 | 52.68 | -0.76 |