| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.68 | 0.04 |
| Feb | 1.02 | 1.01 | 0.01 |
| Mar | 1.81 | 1.70 | 0.11 |
| Apr | 2.46 | 2.32 | 0.14 |
| May | 4.78 | 4.67 | 0.11 |
| Jun | 3.95 | 3.73 | 0.22 |
| Jul | 4.07 | 3.80 | 0.27 |
| Aug | 3.74 | 3.78 | -0.04 |
| Sep | 2.56 | 2.49 | 0.07 |
| Oct | 2.13 | 2.09 | 0.04 |
| Nov | 1.19 | 1.10 | 0.09 |
| Dec | 1.09 | 1.01 | 0.08 |
29.52 | 28.38 | 1.14 |