| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.58 | 0.04 |
| Feb | 3.19 | 3.12 | 0.07 |
| Mar | 3.87 | 3.76 | 0.11 |
| Apr | 3.60 | 3.56 | 0.04 |
| May | 4.14 | 3.97 | 0.17 |
| Jun | 4.78 | 4.78 | 0.00 |
| Jul | 5.84 | 5.47 | 0.37 |
| Aug | 6.12 | 5.78 | 0.34 |
| Sep | 6.41 | 6.40 | 0.01 |
| Oct | 3.34 | 3.50 | -0.16 |
| Nov | 3.33 | 3.33 | 0.00 |
| Dec | 3.40 | 3.41 | -0.01 |
51.64 | 50.66 | 0.98 |