| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.95 | -0.06 |
| Feb | 1.18 | 1.29 | -0.11 |
| Mar | 1.96 | 1.98 | -0.02 |
| Apr | 3.77 | 3.66 | 0.11 |
| May | 5.05 | 4.97 | 0.08 |
| Jun | 5.25 | 5.12 | 0.13 |
| Jul | 4.03 | 4.11 | -0.08 |
| Aug | 4.13 | 3.98 | 0.15 |
| Sep | 3.51 | 3.42 | 0.09 |
| Oct | 2.64 | 2.58 | 0.06 |
| Nov | 1.83 | 1.72 | 0.11 |
| Dec | 1.28 | 1.29 | -0.01 |
35.52 | 35.07 | 0.45 |