| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.43 | -0.13 |
| Feb | 2.65 | 2.74 | -0.09 |
| Mar | 3.73 | 3.80 | -0.07 |
| Apr | 4.53 | 4.78 | -0.25 |
| May | 4.97 | 5.05 | -0.08 |
| Jun | 4.86 | 4.90 | -0.04 |
| Jul | 4.35 | 4.07 | 0.28 |
| Aug | 3.41 | 3.41 | 0.00 |
| Sep | 3.08 | 3.05 | 0.03 |
| Oct | 3.44 | 3.30 | 0.14 |
| Nov | 3.34 | 3.40 | -0.06 |
| Dec | 3.47 | 3.60 | -0.13 |
45.13 | 45.53 | -0.40 |