| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.25 | 1.26 | -0.01 |
| Feb | 1.44 | 1.46 | -0.02 |
| Mar | 2.12 | 2.07 | 0.05 |
| Apr | 3.85 | 3.78 | 0.07 |
| May | 4.24 | 4.40 | -0.16 |
| Jun | 5.55 | 5.47 | 0.08 |
| Jul | 4.79 | 4.93 | -0.14 |
| Aug | 3.97 | 3.88 | 0.09 |
| Sep | 3.64 | 3.64 | 0.00 |
| Oct | 2.94 | 2.89 | 0.05 |
| Nov | 2.26 | 2.22 | 0.04 |
| Dec | 1.67 | 1.70 | -0.03 |
37.72 | 37.70 | 0.02 |