| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 0.91 | 0.05 |
| Feb | 0.99 | 0.92 | 0.07 |
| Mar | 1.94 | 1.89 | 0.05 |
| Apr | 3.55 | 3.45 | 0.10 |
| May | 4.64 | 4.73 | -0.09 |
| Jun | 5.36 | 5.35 | 0.01 |
| Jul | 4.72 | 4.77 | -0.05 |
| Aug | 4.24 | 4.14 | 0.10 |
| Sep | 3.54 | 3.62 | -0.08 |
| Oct | 2.52 | 2.43 | 0.09 |
| Nov | 1.67 | 1.53 | 0.14 |
| Dec | 1.25 | 1.20 | 0.05 |
35.38 | 34.94 | 0.44 |