| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.55 | 0.02 |
| Feb | 0.78 | 0.76 | 0.02 |
| Mar | 1.30 | 1.32 | -0.02 |
| Apr | 2.07 | 2.05 | 0.02 |
| May | 3.75 | 3.66 | 0.09 |
| Jun | 3.33 | 3.16 | 0.17 |
| Jul | 3.86 | 3.73 | 0.13 |
| Aug | 3.36 | 3.22 | 0.14 |
| Sep | 2.00 | 2.01 | -0.01 |
| Oct | 1.69 | 1.70 | -0.01 |
| Nov | 0.90 | 0.89 | 0.01 |
| Dec | 0.82 | 0.86 | -0.04 |
24.43 | 23.91 | 0.52 |