| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.38 | 0.01 |
| Feb | 2.91 | 2.88 | 0.03 |
| Mar | 3.33 | 3.31 | 0.02 |
| Apr | 3.37 | 3.31 | 0.06 |
| May | 4.84 | 4.74 | 0.10 |
| Jun | 4.10 | 4.22 | -0.12 |
| Jul | 2.47 | 2.29 | 0.18 |
| Aug | 3.45 | 3.30 | 0.15 |
| Sep | 3.76 | 3.74 | 0.02 |
| Oct | 4.73 | 4.58 | 0.15 |
| Nov | 3.90 | 3.86 | 0.04 |
| Dec | 3.35 | 3.45 | -0.10 |
43.60 | 43.06 | 0.54 |