| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.46 | -0.03 |
| Feb | 0.51 | 0.47 | 0.04 |
| Mar | 0.63 | 0.62 | 0.01 |
| Apr | 1.26 | 1.17 | 0.09 |
| May | 1.91 | 1.59 | 0.32 |
| Jun | 1.53 | 1.64 | -0.11 |
| Jul | 0.91 | 0.94 | -0.03 |
| Aug | 0.86 | 0.85 | 0.01 |
| Sep | 1.12 | 1.09 | 0.03 |
| Oct | 1.11 | 1.01 | 0.10 |
| Nov | 0.67 | 0.58 | 0.09 |
| Dec | 0.53 | 0.53 | 0.00 |
11.47 | 10.95 | 0.52 |