| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.43 | 0.00 |
| Feb | 0.66 | 0.64 | 0.02 |
| Mar | 1.18 | 1.21 | -0.03 |
| Apr | 2.26 | 2.28 | -0.02 |
| May | 3.54 | 3.53 | 0.01 |
| Jun | 3.49 | 3.50 | -0.01 |
| Jul | 3.81 | 3.67 | 0.14 |
| Aug | 3.02 | 3.06 | -0.04 |
| Sep | 1.76 | 1.76 | 0.00 |
| Oct | 1.83 | 1.85 | -0.02 |
| Nov | 0.87 | 0.87 | 0.00 |
| Dec | 0.62 | 0.65 | -0.03 |
23.47 | 23.45 | 0.02 |