| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.62 | 2.64 | -0.02 |
| Feb | 2.08 | 2.17 | -0.09 |
| Mar | 2.74 | 2.85 | -0.11 |
| Apr | 3.80 | 3.94 | -0.14 |
| May | 4.35 | 4.44 | -0.09 |
| Jun | 4.84 | 4.60 | 0.24 |
| Jul | 4.08 | 4.14 | -0.06 |
| Aug | 4.03 | 3.73 | 0.30 |
| Sep | 3.27 | 3.19 | 0.08 |
| Oct | 3.03 | 3.02 | 0.01 |
| Nov | 3.11 | 3.14 | -0.03 |
| Dec | 2.49 | 2.50 | -0.01 |
40.44 | 40.36 | 0.08 |