| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.06 | 1.05 | 0.01 |
| Feb | 1.07 | 1.02 | 0.05 |
| Mar | 1.88 | 1.78 | 0.10 |
| Apr | 3.87 | 3.79 | 0.08 |
| May | 4.72 | 4.64 | 0.08 |
| Jun | 5.61 | 5.58 | 0.03 |
| Jul | 4.24 | 4.14 | 0.10 |
| Aug | 4.43 | 4.33 | 0.10 |
| Sep | 3.76 | 3.84 | -0.08 |
| Oct | 2.79 | 2.72 | 0.07 |
| Nov | 1.88 | 1.79 | 0.09 |
| Dec | 1.34 | 1.24 | 0.10 |
36.65 | 35.92 | 0.73 |