| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.90 | -0.01 |
| Feb | 0.89 | 0.89 | 0.00 |
| Mar | 1.72 | 1.68 | 0.04 |
| Apr | 2.94 | 2.91 | 0.03 |
| May | 4.21 | 4.17 | 0.04 |
| Jun | 5.12 | 5.03 | 0.09 |
| Jul | 4.16 | 4.17 | -0.01 |
| Aug | 4.50 | 4.45 | 0.05 |
| Sep | 3.38 | 3.38 | 0.00 |
| Oct | 2.67 | 2.57 | 0.10 |
| Nov | 1.63 | 1.59 | 0.04 |
| Dec | 1.19 | 1.21 | -0.02 |
33.30 | 32.95 | 0.35 |