| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.76 | 0.03 |
| Feb | 0.98 | 1.01 | -0.03 |
| Mar | 1.80 | 1.79 | 0.01 |
| Apr | 2.86 | 2.87 | -0.01 |
| May | 5.32 | 5.36 | -0.04 |
| Jun | 4.70 | 4.75 | -0.05 |
| Jul | 4.12 | 3.99 | 0.13 |
| Aug | 3.70 | 3.40 | 0.30 |
| Sep | 3.08 | 3.09 | -0.01 |
| Oct | 2.48 | 2.47 | 0.01 |
| Nov | 1.43 | 1.44 | -0.01 |
| Dec | 1.21 | 1.16 | 0.05 |
32.47 | 32.09 | 0.38 |