| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.71 | 2.87 | -0.16 |
| Feb | 2.13 | 2.27 | -0.14 |
| Mar | 2.90 | 3.07 | -0.17 |
| Apr | 3.63 | 3.71 | -0.08 |
| May | 3.82 | 3.91 | -0.09 |
| Jun | 4.10 | 4.08 | 0.02 |
| Jul | 4.00 | 4.07 | -0.07 |
| Aug | 3.59 | 3.64 | -0.05 |
| Sep | 3.87 | 3.74 | 0.13 |
| Oct | 3.45 | 3.40 | 0.05 |
| Nov | 3.15 | 2.99 | 0.16 |
| Dec | 2.94 | 3.01 | -0.07 |
40.29 | 40.76 | -0.47 |