| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.83 | -0.03 |
| Feb | 1.10 | 1.14 | -0.04 |
| Mar | 1.86 | 1.94 | -0.08 |
| Apr | 3.53 | 3.55 | -0.02 |
| May | 5.29 | 5.18 | 0.11 |
| Jun | 5.31 | 4.90 | 0.41 |
| Jul | 3.97 | 4.03 | -0.06 |
| Aug | 4.51 | 4.13 | 0.38 |
| Sep | 3.57 | 3.50 | 0.07 |
| Oct | 2.76 | 2.75 | 0.01 |
| Nov | 1.69 | 1.71 | -0.02 |
| Dec | 1.25 | 1.32 | -0.07 |
35.64 | 34.98 | 0.66 |