| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.78 | 0.02 |
| Feb | 0.99 | 1.01 | -0.02 |
| Mar | 1.88 | 1.79 | 0.09 |
| Apr | 3.26 | 3.30 | -0.04 |
| May | 4.86 | 4.86 | 0.00 |
| Jun | 4.99 | 4.88 | 0.11 |
| Jul | 3.73 | 3.62 | 0.11 |
| Aug | 4.01 | 4.04 | -0.03 |
| Sep | 3.16 | 3.00 | 0.16 |
| Oct | 2.48 | 2.49 | -0.01 |
| Nov | 1.36 | 1.36 | 0.00 |
| Dec | 1.27 | 1.29 | -0.02 |
32.79 | 32.42 | 0.37 |