| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.00 | 0.98 | 0.02 |
| Feb | 1.01 | 1.00 | 0.01 |
| Mar | 1.95 | 1.91 | 0.04 |
| Apr | 3.43 | 3.39 | 0.04 |
| May | 4.46 | 4.34 | 0.12 |
| Jun | 5.39 | 5.30 | 0.09 |
| Jul | 4.35 | 4.23 | 0.12 |
| Aug | 4.36 | 4.47 | -0.11 |
| Sep | 3.67 | 3.55 | 0.12 |
| Oct | 2.47 | 2.37 | 0.10 |
| Nov | 1.77 | 1.66 | 0.11 |
| Dec | 1.23 | 1.20 | 0.03 |
35.09 | 34.40 | 0.69 |