| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.13 | -0.05 |
| Feb | 2.58 | 2.63 | -0.05 |
| Mar | 3.82 | 3.80 | 0.02 |
| Apr | 3.58 | 3.54 | 0.04 |
| May | 3.98 | 4.05 | -0.07 |
| Jun | 3.99 | 3.91 | 0.08 |
| Jul | 4.27 | 4.04 | 0.23 |
| Aug | 3.55 | 3.82 | -0.27 |
| Sep | 4.70 | 4.86 | -0.16 |
| Oct | 3.79 | 3.85 | -0.06 |
| Nov | 3.09 | 3.11 | -0.02 |
| Dec | 3.44 | 3.56 | -0.12 |
43.87 | 44.30 | -0.43 |