| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.78 | 0.03 |
| Feb | 0.94 | 1.01 | -0.07 |
| Mar | 1.85 | 1.79 | 0.06 |
| Apr | 3.28 | 3.32 | -0.04 |
| May | 4.82 | 4.93 | -0.11 |
| Jun | 4.95 | 4.85 | 0.10 |
| Jul | 3.75 | 3.64 | 0.11 |
| Aug | 4.10 | 4.06 | 0.04 |
| Sep | 3.18 | 3.06 | 0.12 |
| Oct | 2.48 | 2.56 | -0.08 |
| Nov | 1.34 | 1.38 | -0.04 |
| Dec | 1.23 | 1.33 | -0.10 |
32.73 | 32.71 | 0.02 |