| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.45 | -0.02 |
| Feb | 2.92 | 2.82 | 0.10 |
| Mar | 3.35 | 3.33 | 0.02 |
| Apr | 3.52 | 3.34 | 0.18 |
| May | 4.73 | 4.87 | -0.14 |
| Jun | 4.26 | 4.33 | -0.07 |
| Jul | 2.55 | 2.47 | 0.08 |
| Aug | 3.63 | 3.52 | 0.11 |
| Sep | 3.94 | 3.86 | 0.08 |
| Oct | 4.74 | 4.36 | 0.38 |
| Nov | 4.09 | 4.01 | 0.08 |
| Dec | 3.40 | 3.58 | -0.18 |
44.56 | 43.94 | 0.62 |