| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.82 | -0.03 |
| Feb | 0.83 | 0.85 | -0.02 |
| Mar | 1.43 | 1.47 | -0.04 |
| Apr | 2.65 | 2.76 | -0.11 |
| May | 3.54 | 3.67 | -0.13 |
| Jun | 4.15 | 4.24 | -0.09 |
| Jul | 4.14 | 4.30 | -0.16 |
| Aug | 3.85 | 3.74 | 0.11 |
| Sep | 3.52 | 3.64 | -0.12 |
| Oct | 3.10 | 2.97 | 0.13 |
| Nov | 1.62 | 1.71 | -0.09 |
| Dec | 1.16 | 1.29 | -0.13 |
30.78 | 31.46 | -0.68 |