| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.90 | 1.73 | 0.17 |
| Feb | 2.07 | 1.91 | 0.16 |
| Mar | 2.26 | 1.96 | 0.30 |
| Apr | 2.91 | 2.76 | 0.15 |
| May | 5.24 | 5.32 | -0.08 |
| Jun | 9.07 | 9.14 | -0.07 |
| Jul | 6.38 | 7.08 | -0.70 |
| Aug | 7.83 | 8.32 | -0.49 |
| Sep | 8.75 | 8.64 | 0.11 |
| Oct | 6.18 | 6.12 | 0.06 |
| Nov | 2.71 | 2.54 | 0.17 |
| Dec | 1.86 | 2.14 | -0.28 |
57.16 | 57.66 | -0.50 |