| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.76 | 4.60 | 0.16 |
| Feb | 4.95 | 4.76 | 0.19 |
| Mar | 5.30 | 5.23 | 0.07 |
| Apr | 4.96 | 4.81 | 0.15 |
| May | 4.88 | 4.80 | 0.08 |
| Jun | 4.85 | 4.75 | 0.10 |
| Jul | 4.78 | 4.58 | 0.20 |
| Aug | 3.81 | 3.63 | 0.18 |
| Sep | 3.94 | 3.71 | 0.23 |
| Oct | 3.58 | 3.30 | 0.28 |
| Nov | 3.80 | 3.84 | -0.04 |
| Dec | 5.54 | 5.55 | -0.01 |
55.15 | 53.56 | 1.59 |