| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.82 | -0.02 |
| Feb | 1.16 | 1.22 | -0.06 |
| Mar | 2.13 | 2.20 | -0.07 |
| Apr | 2.99 | 3.05 | -0.06 |
| May | 4.96 | 4.85 | 0.11 |
| Jun | 4.32 | 4.36 | -0.04 |
| Jul | 4.53 | 4.52 | 0.01 |
| Aug | 4.00 | 4.09 | -0.09 |
| Sep | 2.90 | 2.93 | -0.03 |
| Oct | 2.49 | 2.45 | 0.04 |
| Nov | 1.43 | 1.51 | -0.08 |
| Dec | 1.23 | 1.27 | -0.04 |
32.94 | 33.27 | -0.33 |