| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 0.99 | 0.08 |
| Feb | 1.14 | 0.98 | 0.16 |
| Mar | 1.75 | 1.57 | 0.18 |
| Apr | 3.17 | 3.09 | 0.08 |
| May | 4.10 | 4.10 | 0.00 |
| Jun | 4.76 | 4.95 | -0.19 |
| Jul | 3.69 | 3.84 | -0.15 |
| Aug | 4.19 | 4.14 | 0.05 |
| Sep | 3.71 | 3.72 | -0.01 |
| Oct | 2.78 | 2.60 | 0.18 |
| Nov | 1.87 | 1.66 | 0.21 |
| Dec | 1.31 | 1.30 | 0.01 |
33.54 | 32.94 | 0.60 |