| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.50 | 5.54 | -0.04 |
| Feb | 4.97 | 4.93 | 0.04 |
| Mar | 5.29 | 5.58 | -0.29 |
| Apr | 5.94 | 5.90 | 0.04 |
| May | 4.61 | 4.81 | -0.20 |
| Jun | 4.47 | 4.43 | 0.04 |
| Jul | 4.00 | 3.95 | 0.05 |
| Aug | 3.60 | 3.61 | -0.01 |
| Sep | 3.73 | 3.50 | 0.23 |
| Oct | 4.68 | 4.56 | 0.12 |
| Nov | 4.58 | 4.58 | 0.00 |
| Dec | 5.44 | 5.58 | -0.14 |
56.81 | 56.97 | -0.16 |