| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.74 | -0.03 |
| Feb | 1.04 | 1.05 | -0.01 |
| Mar | 1.88 | 1.92 | -0.04 |
| Apr | 2.99 | 2.98 | 0.01 |
| May | 4.69 | 4.61 | 0.08 |
| Jun | 4.50 | 4.50 | 0.00 |
| Jul | 4.36 | 4.36 | 0.00 |
| Aug | 3.78 | 3.81 | -0.03 |
| Sep | 2.94 | 3.00 | -0.06 |
| Oct | 2.36 | 2.30 | 0.06 |
| Nov | 1.46 | 1.51 | -0.05 |
| Dec | 1.14 | 1.13 | 0.01 |
31.85 | 31.91 | -0.06 |