| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.01 | 0.01 |
| Feb | 1.11 | 1.06 | 0.05 |
| Mar | 1.85 | 1.83 | 0.02 |
| Apr | 3.11 | 3.07 | 0.04 |
| May | 4.11 | 4.10 | 0.01 |
| Jun | 4.86 | 4.86 | 0.00 |
| Jul | 3.80 | 3.84 | -0.04 |
| Aug | 4.11 | 4.17 | -0.06 |
| Sep | 3.62 | 3.61 | 0.01 |
| Oct | 2.81 | 2.67 | 0.14 |
| Nov | 1.85 | 1.76 | 0.09 |
| Dec | 1.33 | 1.34 | -0.01 |
33.58 | 33.32 | 0.26 |