| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 0.96 | 0.03 |
| Feb | 0.88 | 0.90 | -0.02 |
| Mar | 1.52 | 1.41 | 0.11 |
| Apr | 1.37 | 1.33 | 0.04 |
| May | 2.58 | 2.64 | -0.06 |
| Jun | 2.41 | 2.61 | -0.20 |
| Jul | 2.19 | 2.27 | -0.08 |
| Aug | 1.93 | 1.72 | 0.21 |
| Sep | 4.49 | 4.14 | 0.35 |
| Oct | 1.88 | 1.96 | -0.08 |
| Nov | 1.36 | 1.20 | 0.16 |
| Dec | 1.07 | 1.06 | 0.01 |
22.67 | 22.20 | 0.47 |