| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.98 | 2.07 | -0.09 |
| Feb | 1.87 | 1.92 | -0.05 |
| Mar | 2.47 | 2.53 | -0.06 |
| Apr | 3.76 | 3.77 | -0.01 |
| May | 4.58 | 4.73 | -0.15 |
| Jun | 4.10 | 4.11 | -0.01 |
| Jul | 3.95 | 3.66 | 0.29 |
| Aug | 3.58 | 3.38 | 0.20 |
| Sep | 3.36 | 3.49 | -0.13 |
| Oct | 3.01 | 3.02 | -0.01 |
| Nov | 2.58 | 2.65 | -0.07 |
| Dec | 2.14 | 2.13 | 0.01 |
37.38 | 37.46 | -0.08 |