| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.05 | -0.01 |
| Feb | 1.04 | 1.07 | -0.03 |
| Mar | 1.91 | 1.89 | 0.02 |
| Apr | 3.81 | 3.76 | 0.05 |
| May | 4.55 | 4.40 | 0.15 |
| Jun | 5.69 | 5.85 | -0.16 |
| Jul | 4.34 | 4.11 | 0.23 |
| Aug | 4.24 | 4.15 | 0.09 |
| Sep | 3.62 | 3.53 | 0.09 |
| Oct | 2.68 | 2.57 | 0.11 |
| Nov | 1.86 | 1.74 | 0.12 |
| Dec | 1.29 | 1.33 | -0.04 |
36.07 | 35.45 | 0.62 |