| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.11 | 1.08 | 0.03 |
| Feb | 1.11 | 1.03 | 0.08 |
| Mar | 2.01 | 1.91 | 0.10 |
| Apr | 3.81 | 3.69 | 0.12 |
| May | 4.62 | 4.51 | 0.11 |
| Jun | 5.45 | 5.39 | 0.06 |
| Jul | 4.34 | 4.28 | 0.06 |
| Aug | 4.60 | 4.41 | 0.19 |
| Sep | 3.88 | 3.65 | 0.23 |
| Oct | 2.64 | 2.53 | 0.11 |
| Nov | 1.85 | 1.71 | 0.14 |
| Dec | 1.36 | 1.31 | 0.05 |
36.78 | 35.50 | 1.28 |