| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.65 | 1.64 | 0.01 |
| Feb | 1.74 | 1.65 | 0.09 |
| Mar | 2.49 | 2.41 | 0.08 |
| Apr | 2.37 | 2.27 | 0.10 |
| May | 4.18 | 4.23 | -0.05 |
| Jun | 3.16 | 3.12 | 0.04 |
| Jul | 2.00 | 2.07 | -0.07 |
| Aug | 2.35 | 2.16 | 0.19 |
| Sep | 3.41 | 3.43 | -0.02 |
| Oct | 3.07 | 3.01 | 0.06 |
| Nov | 2.04 | 2.13 | -0.09 |
| Dec | 1.67 | 1.83 | -0.16 |
30.13 | 29.95 | 0.18 |