| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 2.85 | 0.16 |
| Feb | 2.95 | 2.90 | 0.05 |
| Mar | 3.69 | 3.36 | 0.33 |
| Apr | 3.73 | 3.61 | 0.12 |
| May | 3.55 | 3.48 | 0.07 |
| Jun | 4.17 | 4.24 | -0.07 |
| Jul | 3.79 | 3.70 | 0.09 |
| Aug | 3.60 | 3.74 | -0.14 |
| Sep | 3.92 | 3.74 | 0.18 |
| Oct | 4.51 | 4.43 | 0.08 |
| Nov | 3.65 | 3.49 | 0.16 |
| Dec | 3.93 | 3.95 | -0.02 |
44.50 | 43.49 | 1.01 |