| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.89 | -0.06 |
| Feb | 0.92 | 0.94 | -0.02 |
| Mar | 1.68 | 1.76 | -0.08 |
| Apr | 3.20 | 3.06 | 0.14 |
| May | 4.31 | 4.23 | 0.08 |
| Jun | 4.98 | 5.36 | -0.38 |
| Jul | 4.36 | 4.43 | -0.07 |
| Aug | 4.27 | 4.29 | -0.02 |
| Sep | 3.33 | 3.50 | -0.17 |
| Oct | 2.44 | 2.58 | -0.14 |
| Nov | 1.52 | 1.52 | 0.00 |
| Dec | 1.14 | 1.14 | 0.00 |
32.98 | 33.70 | -0.72 |