| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.53 | 0.04 |
| Feb | 0.74 | 0.66 | 0.08 |
| Mar | 1.13 | 1.12 | 0.01 |
| Apr | 2.75 | 2.77 | -0.02 |
| May | 3.38 | 3.51 | -0.13 |
| Jun | 3.73 | 3.81 | -0.08 |
| Jul | 2.90 | 2.91 | -0.01 |
| Aug | 2.76 | 2.82 | -0.06 |
| Sep | 2.54 | 2.44 | 0.10 |
| Oct | 1.94 | 2.00 | -0.06 |
| Nov | 0.78 | 0.82 | -0.04 |
| Dec | 0.64 | 0.63 | 0.01 |
23.86 | 24.02 | -0.16 |