| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.14 | -0.02 |
| Feb | 2.61 | 2.54 | 0.07 |
| Mar | 3.73 | 3.74 | -0.01 |
| Apr | 3.68 | 3.54 | 0.14 |
| May | 3.86 | 3.97 | -0.11 |
| Jun | 4.14 | 4.24 | -0.10 |
| Jul | 4.47 | 4.55 | -0.08 |
| Aug | 4.05 | 3.91 | 0.14 |
| Sep | 4.58 | 4.70 | -0.12 |
| Oct | 4.10 | 4.02 | 0.08 |
| Nov | 3.19 | 3.08 | 0.11 |
| Dec | 3.51 | 3.51 | 0.00 |
45.04 | 44.94 | 0.10 |