| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.00 | -0.02 |
| Feb | 2.63 | 2.69 | -0.06 |
| Mar | 3.88 | 3.86 | 0.02 |
| Apr | 3.39 | 3.33 | 0.06 |
| May | 4.12 | 4.26 | -0.14 |
| Jun | 4.34 | 4.50 | -0.16 |
| Jul | 4.56 | 4.55 | 0.01 |
| Aug | 3.99 | 3.98 | 0.01 |
| Sep | 4.41 | 4.26 | 0.15 |
| Oct | 3.87 | 3.90 | -0.03 |
| Nov | 3.14 | 3.13 | 0.01 |
| Dec | 3.72 | 3.69 | 0.03 |
45.03 | 45.15 | -0.12 |