| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.50 | 0.47 | 0.03 |
| Feb | 0.64 | 0.61 | 0.03 |
| Mar | 0.77 | 0.80 | -0.03 |
| Apr | 1.65 | 1.69 | -0.04 |
| May | 2.83 | 2.85 | -0.02 |
| Jun | 2.67 | 2.63 | 0.04 |
| Jul | 2.42 | 2.40 | 0.02 |
| Aug | 1.68 | 1.84 | -0.16 |
| Sep | 1.16 | 1.09 | 0.07 |
| Oct | 1.27 | 1.25 | 0.02 |
| Nov | 0.59 | 0.58 | 0.01 |
| Dec | 0.54 | 0.50 | 0.04 |
16.72 | 16.71 | 0.01 |