| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.75 | 0.05 |
| Feb | 1.21 | 1.19 | 0.02 |
| Mar | 2.25 | 2.19 | 0.06 |
| Apr | 2.80 | 2.78 | 0.02 |
| May | 5.04 | 4.87 | 0.17 |
| Jun | 4.91 | 4.73 | 0.18 |
| Jul | 4.08 | 3.96 | 0.12 |
| Aug | 3.87 | 3.85 | 0.02 |
| Sep | 2.60 | 2.50 | 0.10 |
| Oct | 2.76 | 2.64 | 0.12 |
| Nov | 1.49 | 1.54 | -0.05 |
| Dec | 1.20 | 1.19 | 0.01 |
33.01 | 32.19 | 0.82 |