| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.84 | -0.08 |
| Feb | 0.89 | 0.87 | 0.02 |
| Mar | 1.61 | 1.69 | -0.08 |
| Apr | 3.13 | 2.94 | 0.19 |
| May | 4.20 | 4.21 | -0.01 |
| Jun | 4.89 | 5.38 | -0.49 |
| Jul | 4.04 | 4.11 | -0.07 |
| Aug | 3.96 | 4.00 | -0.04 |
| Sep | 3.18 | 3.34 | -0.16 |
| Oct | 2.38 | 2.55 | -0.17 |
| Nov | 1.50 | 1.46 | 0.04 |
| Dec | 1.07 | 1.08 | -0.01 |
31.61 | 32.47 | -0.86 |