| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 0.95 | 0.01 |
| Feb | 1.02 | 1.00 | 0.02 |
| Mar | 1.98 | 1.90 | 0.08 |
| Apr | 3.46 | 3.35 | 0.11 |
| May | 4.60 | 4.46 | 0.14 |
| Jun | 5.33 | 5.35 | -0.02 |
| Jul | 4.43 | 4.53 | -0.10 |
| Aug | 4.42 | 4.36 | 0.06 |
| Sep | 3.65 | 3.63 | 0.02 |
| Oct | 2.54 | 2.36 | 0.18 |
| Nov | 1.76 | 1.64 | 0.12 |
| Dec | 1.25 | 1.24 | 0.01 |
35.40 | 34.77 | 0.63 |