| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.47 | 0.05 |
| Feb | 0.74 | 0.65 | 0.09 |
| Mar | 1.47 | 1.36 | 0.11 |
| Apr | 2.90 | 2.75 | 0.15 |
| May | 4.04 | 3.94 | 0.10 |
| Jun | 3.92 | 3.89 | 0.03 |
| Jul | 3.21 | 3.33 | -0.12 |
| Aug | 3.45 | 3.33 | 0.12 |
| Sep | 2.35 | 2.33 | 0.02 |
| Oct | 2.25 | 2.16 | 0.09 |
| Nov | 1.04 | 0.99 | 0.05 |
| Dec | 0.74 | 0.73 | 0.01 |
26.63 | 25.93 | 0.70 |