| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.63 | 0.07 |
| Feb | 0.71 | 0.64 | 0.07 |
| Mar | 1.50 | 1.45 | 0.05 |
| Apr | 1.94 | 1.93 | 0.01 |
| May | 3.17 | 3.13 | 0.04 |
| Jun | 3.66 | 3.62 | 0.04 |
| Jul | 3.34 | 3.17 | 0.17 |
| Aug | 2.99 | 3.04 | -0.05 |
| Sep | 1.71 | 1.55 | 0.16 |
| Oct | 2.01 | 2.05 | -0.04 |
| Nov | 0.87 | 0.86 | 0.01 |
| Dec | 0.97 | 0.97 | 0.00 |
23.57 | 23.04 | 0.53 |