| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.73 | -0.15 |
| Feb | 4.21 | 4.20 | 0.01 |
| Mar | 4.71 | 4.71 | 0.00 |
| Apr | 4.90 | 4.95 | -0.05 |
| May | 5.16 | 5.24 | -0.08 |
| Jun | 4.50 | 4.43 | 0.07 |
| Jul | 4.31 | 4.66 | -0.35 |
| Aug | 3.61 | 3.55 | 0.06 |
| Sep | 3.76 | 3.47 | 0.29 |
| Oct | 3.85 | 3.98 | -0.13 |
| Nov | 3.73 | 3.76 | -0.03 |
| Dec | 4.52 | 4.68 | -0.16 |
50.84 | 51.36 | -0.52 |