| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.69 | 0.03 |
| Feb | 1.06 | 1.11 | -0.05 |
| Mar | 1.97 | 1.99 | -0.02 |
| Apr | 3.20 | 3.24 | -0.04 |
| May | 4.94 | 4.95 | -0.01 |
| Jun | 4.87 | 5.01 | -0.14 |
| Jul | 4.49 | 4.28 | 0.21 |
| Aug | 4.18 | 4.13 | 0.05 |
| Sep | 2.92 | 3.00 | -0.08 |
| Oct | 2.36 | 2.43 | -0.07 |
| Nov | 1.51 | 1.53 | -0.02 |
| Dec | 1.22 | 1.21 | 0.01 |
33.44 | 33.57 | -0.13 |