| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.98 | 0.95 | 0.03 |
| Feb | 1.00 | 0.95 | 0.05 |
| Mar | 1.74 | 1.68 | 0.06 |
| Apr | 2.99 | 2.95 | 0.04 |
| May | 4.05 | 3.95 | 0.10 |
| Jun | 4.84 | 4.82 | 0.02 |
| Jul | 4.44 | 4.28 | 0.16 |
| Aug | 4.42 | 4.27 | 0.15 |
| Sep | 3.59 | 3.41 | 0.18 |
| Oct | 2.98 | 2.92 | 0.06 |
| Nov | 1.77 | 1.75 | 0.02 |
| Dec | 1.30 | 1.31 | -0.01 |
34.10 | 33.24 | 0.86 |