| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.19 | -0.11 |
| Feb | 3.04 | 3.25 | -0.21 |
| Mar | 4.11 | 4.25 | -0.14 |
| Apr | 3.87 | 3.98 | -0.11 |
| May | 4.56 | 4.74 | -0.18 |
| Jun | 4.03 | 4.44 | -0.41 |
| Jul | 4.74 | 5.07 | -0.33 |
| Aug | 3.70 | 3.76 | -0.06 |
| Sep | 3.20 | 3.41 | -0.21 |
| Oct | 2.82 | 2.95 | -0.13 |
| Nov | 2.71 | 2.88 | -0.17 |
| Dec | 3.69 | 3.82 | -0.13 |
43.55 | 45.74 | -2.19 |