| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.50 | 0.49 | 0.01 |
| Feb | 0.74 | 0.69 | 0.05 |
| Mar | 1.32 | 1.29 | 0.03 |
| Apr | 2.78 | 2.77 | 0.01 |
| May | 3.67 | 3.61 | 0.06 |
| Jun | 4.13 | 4.19 | -0.06 |
| Jul | 3.15 | 3.34 | -0.19 |
| Aug | 3.32 | 3.30 | 0.02 |
| Sep | 2.94 | 2.97 | -0.03 |
| Oct | 2.15 | 2.13 | 0.02 |
| Nov | 1.05 | 0.99 | 0.06 |
| Dec | 0.71 | 0.73 | -0.02 |
26.46 | 26.50 | -0.04 |