| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.51 | -0.03 |
| Feb | 3.00 | 2.95 | 0.05 |
| Mar | 4.06 | 4.14 | -0.08 |
| Apr | 3.43 | 3.47 | -0.04 |
| May | 3.64 | 3.69 | -0.05 |
| Jun | 3.95 | 4.08 | -0.13 |
| Jul | 4.41 | 4.23 | 0.18 |
| Aug | 4.92 | 5.03 | -0.11 |
| Sep | 4.17 | 4.33 | -0.16 |
| Oct | 3.90 | 4.03 | -0.13 |
| Nov | 3.22 | 3.27 | -0.05 |
| Dec | 3.67 | 3.80 | -0.13 |
45.85 | 46.53 | -0.68 |