| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.74 | -0.05 |
| Feb | 3.42 | 3.43 | -0.01 |
| Mar | 4.23 | 4.20 | 0.03 |
| Apr | 4.18 | 4.01 | 0.17 |
| May | 5.19 | 5.31 | -0.12 |
| Jun | 4.93 | 5.09 | -0.16 |
| Jul | 5.67 | 5.63 | 0.04 |
| Aug | 4.12 | 4.14 | -0.02 |
| Sep | 3.65 | 3.52 | 0.13 |
| Oct | 3.69 | 3.82 | -0.13 |
| Nov | 3.15 | 3.16 | -0.01 |
| Dec | 3.96 | 3.92 | 0.04 |
49.88 | 49.97 | -0.09 |