| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.80 | 1.81 | -0.01 |
| Feb | 2.01 | 2.07 | -0.06 |
| Mar | 2.82 | 2.87 | -0.05 |
| Apr | 4.43 | 4.34 | 0.09 |
| May | 4.84 | 4.97 | -0.13 |
| Jun | 4.49 | 4.66 | -0.17 |
| Jul | 4.47 | 4.36 | 0.11 |
| Aug | 3.69 | 3.92 | -0.23 |
| Sep | 3.93 | 3.99 | -0.06 |
| Oct | 3.37 | 3.42 | -0.05 |
| Nov | 2.71 | 2.76 | -0.05 |
| Dec | 1.88 | 1.91 | -0.03 |
40.44 | 41.08 | -0.64 |