| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.74 | 0.01 |
| Feb | 0.68 | 0.63 | 0.05 |
| Mar | 0.87 | 0.84 | 0.03 |
| Apr | 1.20 | 1.25 | -0.05 |
| May | 3.04 | 3.01 | 0.03 |
| Jun | 4.00 | 4.25 | -0.25 |
| Jul | 3.38 | 3.47 | -0.09 |
| Aug | 2.76 | 2.98 | -0.22 |
| Sep | 2.68 | 2.80 | -0.12 |
| Oct | 1.95 | 2.09 | -0.14 |
| Nov | 1.10 | 1.05 | 0.05 |
| Dec | 1.03 | 0.93 | 0.10 |
23.44 | 24.04 | -0.60 |