| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.19 | 1.18 | 0.01 |
| Feb | 1.08 | 1.07 | 0.01 |
| Mar | 1.73 | 1.67 | 0.06 |
| Apr | 2.88 | 2.87 | 0.01 |
| May | 3.66 | 3.52 | 0.14 |
| Jun | 4.47 | 4.27 | 0.20 |
| Jul | 4.03 | 4.04 | -0.01 |
| Aug | 3.51 | 3.36 | 0.15 |
| Sep | 3.72 | 3.63 | 0.09 |
| Oct | 3.41 | 3.28 | 0.13 |
| Nov | 1.96 | 1.90 | 0.06 |
| Dec | 1.58 | 1.51 | 0.07 |
33.22 | 32.30 | 0.92 |