| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.94 | -0.06 |
| Feb | 0.86 | 0.85 | 0.01 |
| Mar | 1.12 | 1.18 | -0.06 |
| Apr | 2.02 | 2.09 | -0.07 |
| May | 3.06 | 3.12 | -0.06 |
| Jun | 4.26 | 4.12 | 0.14 |
| Jul | 4.02 | 3.95 | 0.07 |
| Aug | 3.41 | 3.14 | 0.27 |
| Sep | 3.53 | 3.47 | 0.06 |
| Oct | 2.72 | 2.61 | 0.11 |
| Nov | 1.53 | 1.51 | 0.02 |
| Dec | 1.08 | 1.23 | -0.15 |
28.49 | 28.21 | 0.28 |