| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.58 | 7.03 | 0.55 |
| Feb | 6.69 | 6.19 | 0.50 |
| Mar | 6.72 | 6.32 | 0.40 |
| Apr | 4.29 | 4.17 | 0.12 |
| May | 2.08 | 1.99 | 0.09 |
| Jun | 0.83 | 0.90 | -0.07 |
| Jul | 0.14 | 0.22 | -0.08 |
| Aug | 0.19 | 0.19 | 0.00 |
| Sep | 0.70 | 0.68 | 0.02 |
| Oct | 2.74 | 2.50 | 0.24 |
| Nov | 5.56 | 5.20 | 0.36 |
| Dec | 9.15 | 8.60 | 0.55 |
46.67 | 43.99 | 2.68 |