| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.73 | 0.03 |
| Feb | 0.81 | 0.80 | 0.01 |
| Mar | 1.46 | 1.47 | -0.01 |
| Apr | 2.43 | 2.51 | -0.08 |
| May | 3.56 | 3.53 | 0.03 |
| Jun | 4.52 | 4.50 | 0.02 |
| Jul | 4.55 | 4.69 | -0.14 |
| Aug | 3.92 | 3.72 | 0.20 |
| Sep | 3.25 | 3.12 | 0.13 |
| Oct | 2.96 | 2.93 | 0.03 |
| Nov | 1.55 | 1.51 | 0.04 |
| Dec | 1.05 | 1.15 | -0.10 |
30.82 | 30.66 | 0.16 |