| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.69 | 0.03 |
| Feb | 0.68 | 0.64 | 0.04 |
| Mar | 0.99 | 1.00 | -0.01 |
| Apr | 1.77 | 1.73 | 0.04 |
| May | 2.85 | 2.85 | 0.00 |
| Jun | 4.15 | 4.11 | 0.04 |
| Jul | 3.61 | 3.65 | -0.04 |
| Aug | 3.14 | 3.00 | 0.14 |
| Sep | 2.86 | 2.90 | -0.04 |
| Oct | 2.60 | 2.40 | 0.20 |
| Nov | 1.19 | 1.12 | 0.07 |
| Dec | 0.89 | 0.85 | 0.04 |
25.45 | 24.94 | 0.51 |