| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.78 | 2.75 | 0.03 |
| Feb | 2.64 | 2.50 | 0.14 |
| Mar | 4.27 | 4.41 | -0.14 |
| Apr | 4.94 | 4.98 | -0.04 |
| May | 5.15 | 4.98 | 0.17 |
| Jun | 3.68 | 3.85 | -0.17 |
| Jul | 3.79 | 3.72 | 0.07 |
| Aug | 3.27 | 3.11 | 0.16 |
| Sep | 3.94 | 3.81 | 0.13 |
| Oct | 3.70 | 3.60 | 0.10 |
| Nov | 4.12 | 4.01 | 0.11 |
| Dec | 3.18 | 3.18 | 0.00 |
45.46 | 44.90 | 0.56 |