| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.25 | 2.19 | 0.06 |
| Feb | 1.87 | 1.86 | 0.01 |
| Mar | 2.37 | 2.31 | 0.06 |
| Apr | 3.69 | 3.59 | 0.10 |
| May | 4.50 | 4.32 | 0.18 |
| Jun | 4.90 | 4.82 | 0.08 |
| Jul | 4.43 | 4.36 | 0.07 |
| Aug | 3.76 | 3.76 | 0.00 |
| Sep | 3.18 | 3.30 | -0.12 |
| Oct | 3.33 | 3.30 | 0.03 |
| Nov | 2.68 | 2.62 | 0.06 |
| Dec | 2.11 | 2.12 | -0.01 |
39.07 | 38.55 | 0.52 |