| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.11 | 0.04 |
| Feb | 1.07 | 1.09 | -0.02 |
| Mar | 1.79 | 1.86 | -0.07 |
| Apr | 3.64 | 3.76 | -0.12 |
| May | 4.61 | 4.61 | 0.00 |
| Jun | 5.16 | 5.18 | -0.02 |
| Jul | 4.23 | 4.26 | -0.03 |
| Aug | 4.26 | 4.32 | -0.06 |
| Sep | 3.81 | 3.85 | -0.04 |
| Oct | 2.78 | 2.74 | 0.04 |
| Nov | 1.88 | 1.83 | 0.05 |
| Dec | 1.38 | 1.40 | -0.02 |
35.76 | 36.01 | -0.25 |