| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.34 | 0.03 |
| Feb | 0.51 | 0.50 | 0.01 |
| Mar | 0.91 | 0.92 | -0.01 |
| Apr | 1.74 | 1.76 | -0.02 |
| May | 2.78 | 2.78 | 0.00 |
| Jun | 2.85 | 2.78 | 0.07 |
| Jul | 3.35 | 3.49 | -0.14 |
| Aug | 2.91 | 2.99 | -0.08 |
| Sep | 1.50 | 1.52 | -0.02 |
| Oct | 1.45 | 1.47 | -0.02 |
| Nov | 0.62 | 0.64 | -0.02 |
| Dec | 0.45 | 0.50 | -0.05 |
19.44 | 19.69 | -0.25 |