| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.84 | 1.89 | -0.05 |
| Feb | 1.73 | 1.87 | -0.14 |
| Mar | 2.23 | 2.29 | -0.06 |
| Apr | 3.81 | 3.78 | 0.03 |
| May | 4.16 | 4.38 | -0.22 |
| Jun | 4.43 | 4.47 | -0.04 |
| Jul | 3.57 | 3.72 | -0.15 |
| Aug | 3.71 | 3.67 | 0.04 |
| Sep | 3.46 | 3.47 | -0.01 |
| Oct | 3.17 | 3.15 | 0.02 |
| Nov | 2.45 | 2.38 | 0.07 |
| Dec | 1.98 | 2.09 | -0.11 |
36.54 | 37.16 | -0.62 |