| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.77 | 0.03 |
| Feb | 1.00 | 1.03 | -0.03 |
| Mar | 1.83 | 1.74 | 0.09 |
| Apr | 3.16 | 3.14 | 0.02 |
| May | 4.86 | 4.73 | 0.13 |
| Jun | 4.99 | 5.00 | -0.01 |
| Jul | 3.68 | 3.52 | 0.16 |
| Aug | 3.94 | 3.97 | -0.03 |
| Sep | 3.10 | 3.08 | 0.02 |
| Oct | 2.46 | 2.46 | 0.00 |
| Nov | 1.40 | 1.38 | 0.02 |
| Dec | 1.27 | 1.32 | -0.05 |
32.49 | 32.14 | 0.35 |