| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.67 | -0.02 |
| Feb | 0.65 | 0.61 | 0.04 |
| Mar | 1.18 | 1.12 | 0.06 |
| Apr | 2.49 | 2.50 | -0.01 |
| May | 3.07 | 2.86 | 0.21 |
| Jun | 3.87 | 3.90 | -0.03 |
| Jul | 3.73 | 3.86 | -0.13 |
| Aug | 2.81 | 2.95 | -0.14 |
| Sep | 2.58 | 2.43 | 0.15 |
| Oct | 2.35 | 2.25 | 0.10 |
| Nov | 1.01 | 0.91 | 0.10 |
| Dec | 0.74 | 0.69 | 0.05 |
25.13 | 24.75 | 0.38 |