| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.07 | 1.87 | 0.20 |
| Feb | 1.52 | 1.41 | 0.11 |
| Mar | 1.84 | 1.88 | -0.04 |
| Apr | 2.55 | 2.76 | -0.21 |
| May | 3.00 | 2.83 | 0.17 |
| Jun | 3.09 | 3.20 | -0.11 |
| Jul | 3.51 | 3.43 | 0.08 |
| Aug | 3.01 | 2.83 | 0.18 |
| Sep | 3.61 | 3.58 | 0.03 |
| Oct | 3.90 | 3.98 | -0.08 |
| Nov | 2.79 | 2.64 | 0.15 |
| Dec | 2.44 | 2.23 | 0.21 |
33.33 | 32.64 | 0.69 |