| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.55 | 0.03 |
| Feb | 0.53 | 0.60 | -0.07 |
| Mar | 0.99 | 1.05 | -0.06 |
| Apr | 1.40 | 1.36 | 0.04 |
| May | 3.03 | 3.11 | -0.08 |
| Jun | 3.95 | 4.14 | -0.19 |
| Jul | 3.47 | 3.51 | -0.04 |
| Aug | 2.70 | 2.57 | 0.13 |
| Sep | 2.52 | 2.75 | -0.23 |
| Oct | 2.06 | 2.24 | -0.18 |
| Nov | 0.74 | 0.78 | -0.04 |
| Dec | 0.68 | 0.72 | -0.04 |
22.65 | 23.38 | -0.73 |