| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.50 | -0.01 |
| Feb | 2.74 | 2.76 | -0.02 |
| Mar | 4.04 | 4.08 | -0.04 |
| Apr | 3.52 | 3.53 | -0.01 |
| May | 3.52 | 3.63 | -0.11 |
| Jun | 4.58 | 4.45 | 0.13 |
| Jul | 4.65 | 4.88 | -0.23 |
| Aug | 4.30 | 4.51 | -0.21 |
| Sep | 4.88 | 5.00 | -0.12 |
| Oct | 3.50 | 3.52 | -0.02 |
| Nov | 3.23 | 3.24 | -0.01 |
| Dec | 3.43 | 3.46 | -0.03 |
45.88 | 46.56 | -0.68 |