| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.58 | 4.59 | -0.01 |
| Feb | 4.72 | 4.71 | 0.01 |
| Mar | 4.94 | 5.00 | -0.06 |
| Apr | 4.00 | 4.14 | -0.14 |
| May | 3.38 | 3.27 | 0.11 |
| Jun | 4.40 | 4.25 | 0.15 |
| Jul | 4.84 | 4.80 | 0.04 |
| Aug | 4.19 | 4.20 | -0.01 |
| Sep | 3.72 | 3.52 | 0.20 |
| Oct | 3.21 | 3.40 | -0.19 |
| Nov | 3.88 | 3.87 | 0.01 |
| Dec | 4.79 | 4.76 | 0.03 |
50.65 | 50.51 | 0.14 |