| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.70 | 0.03 |
| Feb | 0.78 | 0.76 | 0.02 |
| Mar | 1.45 | 1.43 | 0.02 |
| Apr | 2.60 | 2.60 | 0.00 |
| May | 3.45 | 3.41 | 0.04 |
| Jun | 4.45 | 4.44 | 0.01 |
| Jul | 4.17 | 4.05 | 0.12 |
| Aug | 3.83 | 3.72 | 0.11 |
| Sep | 2.94 | 2.93 | 0.01 |
| Oct | 2.55 | 2.53 | 0.02 |
| Nov | 1.33 | 1.28 | 0.05 |
| Dec | 0.89 | 0.90 | -0.01 |
29.17 | 28.75 | 0.42 |