| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.90 | 0.01 |
| Feb | 0.95 | 0.95 | 0.00 |
| Mar | 1.48 | 1.51 | -0.03 |
| Apr | 2.70 | 2.86 | -0.16 |
| May | 3.57 | 3.69 | -0.12 |
| Jun | 4.07 | 4.23 | -0.16 |
| Jul | 4.29 | 4.75 | -0.46 |
| Aug | 3.94 | 4.10 | -0.16 |
| Sep | 3.50 | 3.62 | -0.12 |
| Oct | 3.18 | 3.33 | -0.15 |
| Nov | 1.74 | 1.80 | -0.06 |
| Dec | 1.33 | 1.32 | 0.01 |
31.66 | 33.06 | -1.40 |