| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.69 | 0.04 |
| Feb | 0.75 | 0.71 | 0.04 |
| Mar | 1.43 | 1.37 | 0.06 |
| Apr | 2.51 | 2.50 | 0.01 |
| May | 3.47 | 3.49 | -0.02 |
| Jun | 4.37 | 4.38 | -0.01 |
| Jul | 4.30 | 4.19 | 0.11 |
| Aug | 3.69 | 3.63 | 0.06 |
| Sep | 2.85 | 2.70 | 0.15 |
| Oct | 2.68 | 2.72 | -0.04 |
| Nov | 1.28 | 1.21 | 0.07 |
| Dec | 0.87 | 0.92 | -0.05 |
28.93 | 28.51 | 0.42 |