| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.75 | 2.72 | 0.03 |
| Feb | 2.20 | 2.28 | -0.08 |
| Mar | 3.04 | 3.09 | -0.05 |
| Apr | 3.92 | 3.94 | -0.02 |
| May | 4.41 | 4.23 | 0.18 |
| Jun | 4.64 | 4.43 | 0.21 |
| Jul | 4.04 | 4.13 | -0.09 |
| Aug | 3.99 | 3.90 | 0.09 |
| Sep | 3.18 | 3.25 | -0.07 |
| Oct | 3.00 | 2.95 | 0.05 |
| Nov | 3.21 | 3.19 | 0.02 |
| Dec | 2.55 | 2.62 | -0.07 |
40.93 | 40.73 | 0.20 |