| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.65 | -0.18 |
| Feb | 2.67 | 2.90 | -0.23 |
| Mar | 3.92 | 4.12 | -0.20 |
| Apr | 3.95 | 4.04 | -0.09 |
| May | 4.05 | 4.11 | -0.06 |
| Jun | 4.58 | 4.80 | -0.22 |
| Jul | 4.62 | 4.62 | 0.00 |
| Aug | 4.40 | 4.53 | -0.13 |
| Sep | 4.44 | 4.31 | 0.13 |
| Oct | 4.42 | 4.56 | -0.14 |
| Nov | 3.48 | 3.64 | -0.16 |
| Dec | 4.26 | 4.41 | -0.15 |
48.26 | 49.69 | -1.43 |