| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.44 | 0.01 |
| Feb | 0.66 | 0.64 | 0.02 |
| Mar | 1.28 | 1.35 | -0.07 |
| Apr | 2.43 | 2.28 | 0.15 |
| May | 3.94 | 4.03 | -0.09 |
| Jun | 3.66 | 3.57 | 0.09 |
| Jul | 4.04 | 3.95 | 0.09 |
| Aug | 3.24 | 3.17 | 0.07 |
| Sep | 1.70 | 1.72 | -0.02 |
| Oct | 1.91 | 1.83 | 0.08 |
| Nov | 0.98 | 0.92 | 0.06 |
| Dec | 0.70 | 0.73 | -0.03 |
24.99 | 24.63 | 0.36 |