| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.79 | 0.03 |
| Feb | 1.00 | 1.01 | -0.01 |
| Mar | 1.83 | 1.78 | 0.05 |
| Apr | 3.25 | 3.32 | -0.07 |
| May | 5.07 | 5.20 | -0.13 |
| Jun | 4.77 | 4.96 | -0.19 |
| Jul | 3.93 | 3.82 | 0.11 |
| Aug | 3.77 | 3.68 | 0.09 |
| Sep | 3.12 | 3.15 | -0.03 |
| Oct | 2.56 | 2.60 | -0.04 |
| Nov | 1.42 | 1.47 | -0.05 |
| Dec | 1.19 | 1.20 | -0.01 |
32.73 | 32.98 | -0.25 |