| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.49 | 1.48 | 0.01 |
| Feb | 1.16 | 1.17 | -0.01 |
| Mar | 1.86 | 1.84 | 0.02 |
| Apr | 3.02 | 3.10 | -0.08 |
| May | 3.54 | 3.49 | 0.05 |
| Jun | 4.01 | 4.15 | -0.14 |
| Jul | 3.69 | 3.70 | -0.01 |
| Aug | 3.42 | 3.42 | 0.00 |
| Sep | 3.38 | 3.21 | 0.17 |
| Oct | 2.89 | 2.76 | 0.13 |
| Nov | 2.05 | 1.96 | 0.09 |
| Dec | 1.74 | 1.70 | 0.04 |
32.25 | 31.98 | 0.27 |