| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.98 | 1.03 | -0.05 |
| Feb | 0.95 | 0.89 | 0.06 |
| Mar | 1.26 | 1.20 | 0.06 |
| Apr | 2.22 | 2.03 | 0.19 |
| May | 3.14 | 2.92 | 0.22 |
| Jun | 4.25 | 4.07 | 0.18 |
| Jul | 3.94 | 4.03 | -0.09 |
| Aug | 3.36 | 3.27 | 0.09 |
| Sep | 3.53 | 3.41 | 0.12 |
| Oct | 2.91 | 2.65 | 0.26 |
| Nov | 1.72 | 1.61 | 0.11 |
| Dec | 1.35 | 1.36 | -0.01 |
29.61 | 28.47 | 1.14 |