| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.46 | -0.03 |
| Feb | 0.51 | 0.46 | 0.05 |
| Mar | 0.63 | 0.61 | 0.02 |
| Apr | 1.26 | 1.15 | 0.11 |
| May | 1.91 | 1.55 | 0.36 |
| Jun | 1.53 | 1.62 | -0.09 |
| Jul | 0.91 | 0.92 | -0.01 |
| Aug | 0.86 | 0.85 | 0.01 |
| Sep | 1.12 | 1.07 | 0.05 |
| Oct | 1.11 | 0.99 | 0.12 |
| Nov | 0.67 | 0.58 | 0.09 |
| Dec | 0.53 | 0.53 | 0.00 |
11.47 | 10.79 | 0.68 |