| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.58 | -0.20 |
| Feb | 2.79 | 2.92 | -0.13 |
| Mar | 4.04 | 4.34 | -0.30 |
| Apr | 3.70 | 3.73 | -0.03 |
| May | 3.76 | 3.89 | -0.13 |
| Jun | 4.28 | 4.14 | 0.14 |
| Jul | 4.70 | 4.68 | 0.02 |
| Aug | 4.41 | 4.73 | -0.32 |
| Sep | 4.51 | 4.43 | 0.08 |
| Oct | 3.87 | 4.03 | -0.16 |
| Nov | 3.29 | 3.23 | 0.06 |
| Dec | 4.23 | 4.41 | -0.18 |
46.96 | 48.11 | -1.15 |