| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.14 | -0.02 |
| Feb | 3.09 | 3.07 | 0.02 |
| Mar | 3.92 | 3.85 | 0.07 |
| Apr | 3.76 | 3.90 | -0.14 |
| May | 4.32 | 4.32 | 0.00 |
| Jun | 4.24 | 4.42 | -0.18 |
| Jul | 4.45 | 4.57 | -0.12 |
| Aug | 3.37 | 3.37 | 0.00 |
| Sep | 3.43 | 3.40 | 0.03 |
| Oct | 3.07 | 3.03 | 0.04 |
| Nov | 2.83 | 2.87 | -0.04 |
| Dec | 3.30 | 3.43 | -0.13 |
42.90 | 43.37 | -0.47 |