| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.53 | 0.03 |
| Feb | 0.52 | 0.58 | -0.06 |
| Mar | 0.96 | 1.00 | -0.04 |
| Apr | 1.38 | 1.37 | 0.01 |
| May | 2.98 | 3.11 | -0.13 |
| Jun | 3.95 | 4.12 | -0.17 |
| Jul | 3.36 | 3.49 | -0.13 |
| Aug | 2.65 | 2.57 | 0.08 |
| Sep | 2.50 | 2.67 | -0.17 |
| Oct | 2.03 | 2.21 | -0.18 |
| Nov | 0.72 | 0.76 | -0.04 |
| Dec | 0.66 | 0.69 | -0.03 |
22.27 | 23.10 | -0.83 |