| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.64 | 0.00 |
| Feb | 0.54 | 0.57 | -0.03 |
| Mar | 0.72 | 0.80 | -0.08 |
| Apr | 1.23 | 1.21 | 0.02 |
| May | 2.89 | 3.04 | -0.15 |
| Jun | 3.94 | 4.03 | -0.09 |
| Jul | 3.56 | 3.65 | -0.09 |
| Aug | 2.74 | 2.95 | -0.21 |
| Sep | 2.61 | 2.77 | -0.16 |
| Oct | 1.85 | 1.99 | -0.14 |
| Nov | 0.91 | 0.95 | -0.04 |
| Dec | 0.86 | 0.83 | 0.03 |
22.49 | 23.43 | -0.94 |