| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.10 | 4.29 | -0.19 |
| Feb | 3.55 | 3.80 | -0.25 |
| Mar | 5.19 | 5.17 | 0.02 |
| Apr | 4.43 | 4.41 | 0.02 |
| May | 3.53 | 3.50 | 0.03 |
| Jun | 3.78 | 3.62 | 0.16 |
| Jul | 3.11 | 2.91 | 0.20 |
| Aug | 3.59 | 3.79 | -0.20 |
| Sep | 4.19 | 4.08 | 0.11 |
| Oct | 5.14 | 4.83 | 0.31 |
| Nov | 4.41 | 4.29 | 0.12 |
| Dec | 4.92 | 5.15 | -0.23 |
49.94 | 49.84 | 0.10 |