| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.88 | -0.01 |
| Feb | 0.94 | 0.91 | 0.03 |
| Mar | 1.75 | 1.71 | 0.04 |
| Apr | 3.21 | 2.91 | 0.30 |
| May | 4.33 | 4.14 | 0.19 |
| Jun | 4.99 | 5.03 | -0.04 |
| Jul | 4.38 | 4.29 | 0.09 |
| Aug | 4.48 | 4.27 | 0.21 |
| Sep | 3.49 | 3.32 | 0.17 |
| Oct | 2.54 | 2.48 | 0.06 |
| Nov | 1.59 | 1.52 | 0.07 |
| Dec | 1.21 | 1.21 | 0.00 |
33.78 | 32.67 | 1.11 |