| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.74 | -0.01 |
| Feb | 1.05 | 1.06 | -0.01 |
| Mar | 1.90 | 1.79 | 0.11 |
| Apr | 2.60 | 2.53 | 0.07 |
| May | 4.98 | 4.91 | 0.07 |
| Jun | 4.07 | 3.82 | 0.25 |
| Jul | 4.05 | 3.91 | 0.14 |
| Aug | 3.79 | 3.55 | 0.24 |
| Sep | 2.67 | 2.62 | 0.05 |
| Oct | 2.22 | 2.22 | 0.00 |
| Nov | 1.22 | 1.13 | 0.09 |
| Dec | 1.14 | 1.00 | 0.14 |
30.42 | 29.28 | 1.14 |