| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.68 | -0.22 |
| Feb | 2.51 | 2.68 | -0.17 |
| Mar | 3.02 | 3.12 | -0.10 |
| Apr | 3.67 | 3.86 | -0.19 |
| May | 3.75 | 3.97 | -0.22 |
| Jun | 4.22 | 4.45 | -0.23 |
| Jul | 4.41 | 4.63 | -0.22 |
| Aug | 3.80 | 3.76 | 0.04 |
| Sep | 4.08 | 4.18 | -0.10 |
| Oct | 4.18 | 4.15 | 0.03 |
| Nov | 3.76 | 3.75 | 0.01 |
| Dec | 3.88 | 3.89 | -0.01 |
44.74 | 46.12 | -1.38 |