| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.74 | -0.04 |
| Feb | 1.11 | 1.11 | 0.00 |
| Mar | 2.01 | 2.07 | -0.06 |
| Apr | 3.16 | 3.30 | -0.14 |
| May | 4.97 | 4.96 | 0.01 |
| Jun | 4.53 | 4.71 | -0.18 |
| Jul | 4.70 | 4.62 | 0.08 |
| Aug | 3.58 | 3.71 | -0.13 |
| Sep | 3.10 | 3.31 | -0.21 |
| Oct | 2.67 | 2.64 | 0.03 |
| Nov | 1.65 | 1.70 | -0.05 |
| Dec | 1.16 | 1.22 | -0.06 |
33.34 | 34.09 | -0.75 |