| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.57 | 0.03 |
| Feb | 2.07 | 2.11 | -0.04 |
| Mar | 2.64 | 2.67 | -0.03 |
| Apr | 3.87 | 3.76 | 0.11 |
| May | 4.32 | 4.38 | -0.06 |
| Jun | 4.82 | 4.64 | 0.18 |
| Jul | 4.16 | 4.16 | 0.00 |
| Aug | 3.91 | 3.84 | 0.07 |
| Sep | 3.15 | 3.09 | 0.06 |
| Oct | 3.00 | 2.94 | 0.06 |
| Nov | 3.11 | 3.04 | 0.07 |
| Dec | 2.43 | 2.42 | 0.01 |
40.08 | 39.62 | 0.46 |