| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 0.98 | -0.01 |
| Feb | 1.05 | 0.98 | 0.07 |
| Mar | 1.69 | 1.65 | 0.04 |
| Apr | 2.99 | 3.02 | -0.03 |
| May | 3.86 | 3.82 | 0.04 |
| Jun | 4.64 | 4.60 | 0.04 |
| Jul | 3.83 | 3.93 | -0.10 |
| Aug | 3.91 | 4.05 | -0.14 |
| Sep | 3.58 | 3.64 | -0.06 |
| Oct | 2.85 | 2.78 | 0.07 |
| Nov | 1.81 | 1.74 | 0.07 |
| Dec | 1.26 | 1.26 | 0.00 |
32.44 | 32.45 | -0.01 |