| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.74 | -0.03 |
| Feb | 0.82 | 0.80 | 0.02 |
| Mar | 1.62 | 1.64 | -0.02 |
| Apr | 2.95 | 2.85 | 0.10 |
| May | 4.11 | 4.17 | -0.06 |
| Jun | 4.85 | 5.21 | -0.36 |
| Jul | 3.82 | 3.79 | 0.03 |
| Aug | 3.91 | 3.84 | 0.07 |
| Sep | 3.16 | 3.22 | -0.06 |
| Oct | 2.35 | 2.43 | -0.08 |
| Nov | 1.45 | 1.36 | 0.09 |
| Dec | 0.93 | 1.01 | -0.08 |
30.68 | 31.06 | -0.38 |