| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.76 | -0.07 |
| Feb | 0.81 | 0.85 | -0.04 |
| Mar | 1.44 | 1.55 | -0.11 |
| Apr | 2.70 | 2.82 | -0.12 |
| May | 4.03 | 4.11 | -0.08 |
| Jun | 4.34 | 4.34 | 0.00 |
| Jul | 4.07 | 4.19 | -0.12 |
| Aug | 3.92 | 4.01 | -0.09 |
| Sep | 3.17 | 3.24 | -0.07 |
| Oct | 2.72 | 2.74 | -0.02 |
| Nov | 1.47 | 1.57 | -0.10 |
| Dec | 0.99 | 1.10 | -0.11 |
30.35 | 31.28 | -0.93 |