| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.99 | 4.03 | -0.04 |
| Feb | 3.14 | 3.12 | 0.02 |
| Mar | 3.44 | 3.51 | -0.07 |
| Apr | 3.76 | 3.67 | 0.09 |
| May | 5.02 | 5.11 | -0.09 |
| Jun | 4.73 | 4.53 | 0.20 |
| Jul | 3.06 | 2.95 | 0.11 |
| Aug | 3.66 | 3.90 | -0.24 |
| Sep | 3.91 | 3.94 | -0.03 |
| Oct | 4.94 | 4.88 | 0.06 |
| Nov | 4.53 | 4.50 | 0.03 |
| Dec | 3.99 | 4.06 | -0.07 |
48.17 | 48.20 | -0.03 |