| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 3.06 | -0.15 |
| Feb | 2.62 | 2.70 | -0.08 |
| Mar | 3.69 | 3.80 | -0.11 |
| Apr | 3.36 | 3.37 | -0.01 |
| May | 4.08 | 4.38 | -0.30 |
| Jun | 4.17 | 4.46 | -0.29 |
| Jul | 4.58 | 4.53 | 0.05 |
| Aug | 3.70 | 3.74 | -0.04 |
| Sep | 4.29 | 4.27 | 0.02 |
| Oct | 3.75 | 3.93 | -0.18 |
| Nov | 3.02 | 3.14 | -0.12 |
| Dec | 3.60 | 3.64 | -0.04 |
43.77 | 45.02 | -1.25 |