| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.65 | 0.07 |
| Feb | 0.69 | 0.60 | 0.09 |
| Mar | 1.10 | 1.09 | 0.01 |
| Apr | 1.99 | 2.01 | -0.02 |
| May | 3.16 | 3.26 | -0.10 |
| Jun | 4.31 | 4.38 | -0.07 |
| Jul | 4.05 | 3.94 | 0.11 |
| Aug | 3.16 | 3.18 | -0.02 |
| Sep | 2.91 | 2.90 | 0.01 |
| Oct | 2.50 | 2.41 | 0.09 |
| Nov | 0.96 | 0.91 | 0.05 |
| Dec | 0.80 | 0.80 | 0.00 |
26.35 | 26.13 | 0.22 |