| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.62 | -0.02 |
| Feb | 2.76 | 2.74 | 0.02 |
| Mar | 3.66 | 3.42 | 0.24 |
| Apr | 3.56 | 3.58 | -0.02 |
| May | 4.80 | 4.38 | 0.42 |
| Jun | 3.93 | 3.85 | 0.08 |
| Jul | 1.91 | 2.21 | -0.30 |
| Aug | 2.46 | 2.40 | 0.06 |
| Sep | 3.26 | 3.14 | 0.12 |
| Oct | 4.52 | 4.50 | 0.02 |
| Nov | 2.84 | 2.89 | -0.05 |
| Dec | 3.04 | 3.00 | 0.04 |
39.34 | 38.73 | 0.61 |