| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.83 | -0.19 |
| Feb | 1.98 | 2.02 | -0.04 |
| Mar | 2.84 | 2.77 | 0.07 |
| Apr | 4.57 | 4.46 | 0.11 |
| May | 5.27 | 5.43 | -0.16 |
| Jun | 4.95 | 5.15 | -0.20 |
| Jul | 4.43 | 4.41 | 0.02 |
| Aug | 3.54 | 3.87 | -0.33 |
| Sep | 4.12 | 4.43 | -0.31 |
| Oct | 3.42 | 3.38 | 0.04 |
| Nov | 2.83 | 2.92 | -0.09 |
| Dec | 2.01 | 2.09 | -0.08 |
41.60 | 42.76 | -1.16 |