| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.68 | 0.06 |
| Feb | 0.68 | 0.62 | 0.06 |
| Mar | 1.08 | 1.08 | 0.00 |
| Apr | 1.95 | 1.99 | -0.04 |
| May | 3.11 | 3.23 | -0.12 |
| Jun | 4.25 | 4.33 | -0.08 |
| Jul | 4.02 | 3.91 | 0.11 |
| Aug | 3.14 | 3.17 | -0.03 |
| Sep | 2.89 | 2.88 | 0.01 |
| Oct | 2.47 | 2.40 | 0.07 |
| Nov | 0.94 | 0.92 | 0.02 |
| Dec | 0.78 | 0.81 | -0.03 |
26.05 | 26.02 | 0.03 |