| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.43 | 1.52 | -0.09 |
| Feb | 1.75 | 1.69 | 0.06 |
| Mar | 2.45 | 2.38 | 0.07 |
| Apr | 3.73 | 3.53 | 0.20 |
| May | 4.41 | 4.39 | 0.02 |
| Jun | 4.99 | 4.95 | 0.04 |
| Jul | 4.07 | 3.91 | 0.16 |
| Aug | 3.85 | 3.86 | -0.01 |
| Sep | 3.92 | 3.63 | 0.29 |
| Oct | 2.73 | 2.66 | 0.07 |
| Nov | 2.34 | 2.26 | 0.08 |
| Dec | 1.92 | 1.88 | 0.04 |
37.59 | 36.66 | 0.93 |