| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.71 | 1.68 | 0.03 |
| Feb | 1.61 | 1.70 | -0.09 |
| Mar | 2.17 | 2.24 | -0.07 |
| Apr | 3.75 | 3.64 | 0.11 |
| May | 4.37 | 4.32 | 0.05 |
| Jun | 4.84 | 4.98 | -0.14 |
| Jul | 3.86 | 3.78 | 0.08 |
| Aug | 4.07 | 3.92 | 0.15 |
| Sep | 3.47 | 3.63 | -0.16 |
| Oct | 2.98 | 2.89 | 0.09 |
| Nov | 2.38 | 2.37 | 0.01 |
| Dec | 1.99 | 1.97 | 0.02 |
37.20 | 37.12 | 0.08 |