| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.63 | -0.10 |
| Feb | 2.88 | 2.88 | 0.00 |
| Mar | 4.15 | 4.10 | 0.05 |
| Apr | 3.66 | 3.61 | 0.05 |
| May | 3.73 | 3.64 | 0.09 |
| Jun | 4.40 | 4.36 | 0.04 |
| Jul | 4.78 | 4.74 | 0.04 |
| Aug | 4.80 | 4.64 | 0.16 |
| Sep | 4.96 | 5.26 | -0.30 |
| Oct | 3.51 | 3.50 | 0.01 |
| Nov | 3.43 | 3.38 | 0.05 |
| Dec | 3.55 | 3.56 | -0.01 |
47.38 | 47.30 | 0.08 |