| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.94 | 0.89 | 0.05 |
| Feb | 0.98 | 0.94 | 0.04 |
| Mar | 1.65 | 1.58 | 0.07 |
| Apr | 2.86 | 2.90 | -0.04 |
| May | 3.92 | 3.93 | -0.01 |
| Jun | 4.30 | 4.33 | -0.03 |
| Jul | 4.20 | 4.14 | 0.06 |
| Aug | 3.99 | 4.08 | -0.09 |
| Sep | 3.69 | 3.69 | 0.00 |
| Oct | 3.15 | 3.19 | -0.04 |
| Nov | 1.82 | 1.74 | 0.08 |
| Dec | 1.36 | 1.27 | 0.09 |
32.86 | 32.68 | 0.18 |