| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.63 | 0.10 |
| Feb | 0.77 | 0.67 | 0.10 |
| Mar | 1.43 | 1.49 | -0.06 |
| Apr | 2.44 | 2.36 | 0.08 |
| May | 2.43 | 2.67 | -0.24 |
| Jun | 1.96 | 2.08 | -0.12 |
| Jul | 2.89 | 2.86 | 0.03 |
| Aug | 2.40 | 2.78 | -0.38 |
| Sep | 1.45 | 1.55 | -0.10 |
| Oct | 1.07 | 1.18 | -0.11 |
| Nov | 0.80 | 0.81 | -0.01 |
| Dec | 0.75 | 0.70 | 0.05 |
19.12 | 19.78 | -0.66 |