| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 0.98 | 0.01 |
| Feb | 1.06 | 1.00 | 0.06 |
| Mar | 1.93 | 1.88 | 0.05 |
| Apr | 3.09 | 2.97 | 0.12 |
| May | 4.20 | 4.09 | 0.11 |
| Jun | 4.98 | 5.04 | -0.06 |
| Jul | 3.99 | 3.98 | 0.01 |
| Aug | 4.39 | 4.34 | 0.05 |
| Sep | 3.63 | 3.60 | 0.03 |
| Oct | 2.82 | 2.72 | 0.10 |
| Nov | 1.78 | 1.73 | 0.05 |
| Dec | 1.35 | 1.36 | -0.01 |
34.21 | 33.69 | 0.52 |