| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.85 | 0.01 |
| Feb | 0.94 | 0.88 | 0.06 |
| Mar | 1.56 | 1.48 | 0.08 |
| Apr | 2.77 | 2.86 | -0.09 |
| May | 4.02 | 3.86 | 0.16 |
| Jun | 4.47 | 4.41 | 0.06 |
| Jul | 4.43 | 4.28 | 0.15 |
| Aug | 4.15 | 3.99 | 0.16 |
| Sep | 3.48 | 3.44 | 0.04 |
| Oct | 3.02 | 3.00 | 0.02 |
| Nov | 1.73 | 1.66 | 0.07 |
| Dec | 1.21 | 1.23 | -0.02 |
32.64 | 31.94 | 0.70 |