| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.77 | -0.03 |
| Feb | 1.02 | 1.08 | -0.06 |
| Mar | 1.81 | 1.88 | -0.07 |
| Apr | 2.58 | 2.63 | -0.05 |
| May | 4.90 | 4.92 | -0.02 |
| Jun | 3.96 | 3.95 | 0.01 |
| Jul | 3.95 | 4.04 | -0.09 |
| Aug | 3.74 | 3.87 | -0.13 |
| Sep | 2.77 | 2.70 | 0.07 |
| Oct | 2.22 | 2.24 | -0.02 |
| Nov | 1.23 | 1.28 | -0.05 |
| Dec | 1.10 | 1.14 | -0.04 |
30.02 | 30.50 | -0.48 |